PodsAPI

Complexity

Total Complexity

1787

Size/Duplication

Total Lines	8390
Duplicated Lines	16.73 %

Coupling/Cohesion

Components	3
Dependencies	9

Importance

Changes	13
Bugs	1	Features	1

80 Methods

Rating	Name	Duplication	Size	Complexity
B	init()	0	14	5
B	__construct()	0	20	5
C	save_wp_object()	0	24	7
B	delete_wp_object()	0	18	6
D	save_post()	11	41	13
F	save_post_meta()	69	69	20
D	save_user()	13	48	13
D	save_user_meta()	62	62	15
C	save_comment()	13	41	12
D	save_comment_meta()	62	62	15
F	save_term_meta()	73	73	21
C	save_setting()	2	24	8
B	rename_wp_object_type()	0	36	6
F	get_wp_object_fields()	2	507	16
F	add_pod()	22	160	41
A	export_package()	0	6	2
A	replace_package()	0	3	1
A	import_package()	0	6	2
A	validate_package()	0	3	1
F	import()	8	159	50
B	export()	0	33	6
A	csv_to_php()	0	7	1
B	cache_flush_pods()	0	30	5
F	process_form()	0	66	13
F	save_pod()	77	657	168
F	save_field()	101	519	156
A	save_slug_fix()	0	6	3
F	save_object()	20	85	15
A	save_template()	0	7	1
A	save_page()	0	18	3
A	save_helper()	0	17	3
F	save_pod_item()	126	840	242
A	save_pod_items()	0	18	4
B	get_changed_fields()	0	20	5
F	save_relationships()	29	125	22
C	duplicate_pod()	16	58	13
C	duplicate_field()	6	49	8
C	duplicate_pod_item()	0	37	7
B	export_pod_item()	0	29	6
F	export_pod_item_level()	0	101	29
C	reorder_pod_item()	0	40	11
C	reset_pod()	14	102	12
D	delete_pod()	24	88	13
F	delete_field()	0	73	17
A	delete_object()	4	16	3
A	delete_template()	0	5	1
A	delete_page()	0	11	3
A	delete_helper()	0	5	1
F	delete_pod_item()	43	130	36
D	delete_object_from_relationships()	0	93	15
D	delete_relationships()	27	102	19
C	pod_exists()	9	23	8
B	field_exists()	10	21	7
F	load_field()	46	192	50
F	load_fields()	36	151	52
C	load_object()	4	50	15
F	load_objects()	20	91	32
A	load_template()	0	8	2
A	load_templates()	0	8	2
A	load_page()	4	12	4
A	load_pages()	0	8	2
A	load_helper()	8	8	2
A	load_helpers()	8	8	2
C	load_pod_item()	4	23	8
C	load_sister_fields()	14	45	15
B	detect_pod_field_from_sql_data_type()	0	25	2
A	get_field_types()	0	3	1
A	get_field_definition()	0	5	1
F	handle_field_validation()	0	75	27
F	lookup_related_items()	71	165	55
F	lookup_related_items_from()	74	131	42
F	get_table_info_load()	14	105	28
D	save_term()	0	56	13
F	load_pod()	53	251	70
F	load_pods()	32	260	98
F	get_table_info()	85	453	88
F	get_current_language()	73	203	53
A	do_hook()	7	7	2
A	__get()	4	20	3
A	__call()	4	13	3

<?php
/**
 * @package Pods
 */
class PodsAPI {

    /**
     * @var PodsAPI
     */
    static $instance = null;

The visibility should be declared for property $instance.

	/**
	 * @var array PodsAPI
	 */
	static $instances = array();

The visibility should be declared for property $instances.

    /**
     * @var bool
     */
    public $display_errors = false;

    /**
     * @var array|bool|mixed|null|void
     */
    public $pod_data;

    /**
     * @var
     */
    public $pod;

    /**
     * @var
     */
    public $pod_id;

    /**
     * @var
     */
    public $fields;

    /**
     * @var
     * @deprecated 2.0
     */
    public $format = null;

    /**
     * @var
     */
    private $deprecated;

	/**
	 * @var array
	 * @since 2.5
	 */
	private $fields_cache = array();

	/**
	 * @var array
	 * @since 2.5
	 *
	 */
	private static $table_info_cache = array();

	/**
	 * @var array
	 * @since 2.5
	 *
	 */
	private static $related_item_cache = array();

	/**
     * Singleton-ish handling for a basic pods_api() request
     *
     * @param string $pod (optional) The pod name
     * @param string $format (deprecated) Format for import/export, "php" or "csv"
     *
     * @return \PodsAPI
     *
     * @since 2.3.5
     */
	public static function init ( $pod = null, $format = null ) {
		if ( null !== $pod || null !== $format ) {
			if ( ! isset( self::$instances[ $pod ] ) ) {
				// Cache API singleton per Pod
				self::$instances[ $pod ] = new PodsAPI( $pod, $format );
			}
			return self::$instances[ $pod ];
		}
		elseif ( !is_object( self::$instance ) ) {
			self::$instance = new PodsAPI();
		}

		return self::$instance;
	}


    /**
     * Store and retrieve data programatically
     *
     * @param string $pod (optional) The pod name
     * @param string $format (deprecated) Format for import/export, "php" or "csv"
     *
     * @return \PodsAPI

Adding a @return annotation to constructors is generally not recommended as a constructor does not have a meaningful return value.

     *
     * @license http://www.gnu.org/licenses/gpl-2.0.html
     * @since 1.7.1
     */
    public function __construct ( $pod = null, $format = null ) {
        if ( null !== $pod && 0 < strlen( (string) $pod ) ) {
            if ( null !== $format ) {
                $this->format = $format;

The property PodsAPI::$format has been deprecated with message: 2.0

                pods_deprecated( 'pods_api( $pod, $format )', '2.0', 'pods_api( $pod )' );
            }

            $pod = pods_clean_name( $pod );

            $pod = $this->load_pod( array( 'name' => $pod, 'table_info' => true ), false );

            if ( !empty( $pod ) ) {
                $this->pod_data = $pod;
                $this->pod = $pod[ 'name' ];
                $this->pod_id = $pod[ 'id' ];
                $this->fields = $pod[ 'fields' ];
            }
        }
    }

    /**
     * Save a WP object and its meta
     *
     * @param string $object_type Object type: post|taxonomy|user|comment|setting
     * @param array $data All post data to be saved
     * @param array $meta (optional) Associative array of meta keys and values
     * @param bool $strict (optional) Decides whether the previous saved meta should be deleted or not
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return bool|mixed
     *
     * @since 2.0
     */
    public function save_wp_object ( $object_type, $data, $meta = array(), $strict = false, $sanitized = false, $fields = array() ) {
        if ( in_array( $object_type, array( 'post_type', 'media' ) ) )
            $object_type = 'post';

        if ( 'taxonomy' == $object_type )
            $object_type = 'term';

        if ( $sanitized ) {
            $data = pods_unsanitize( $data );
            $meta = pods_unsanitize( $meta );
        }

        if ( in_array( $object_type, array( 'post', 'term', 'user', 'comment' ) ) )
            return call_user_func( array( $this, 'save_' . $object_type ), $data, $meta, $strict, false, $fields );
        elseif ( 'settings' == $object_type ) {
            // Nothing to save
            if ( empty( $meta ) )
                return true;

            return $this->save_setting( pods_var( 'option_id', $data ), $meta, false );
        }

        return false;
    }

    /**
     * Delete a WP object
     *
     * @param string $object_type Object type: post|user|comment
     * @param int $id Object ID
     * @param bool $force_delete (optional) Force deletion instead of trashing (post types only)
     *
     * @return bool|mixed
     *
     * @since 2.0
     */
    public function delete_wp_object ( $object_type, $id, $force_delete = true ) {
        if ( in_array( $object_type, array( 'post_type', 'media' ) ) )
            $object_type = 'post';

        if ( 'taxonomy' == $object_type )
            $object_type = 'term';

        if ( empty( $id ) )
            return false;

        if ( in_array( $object_type, array( 'post' ) ) )
            return wp_delete_post( $id, $force_delete );

        if ( function_exists( 'wp_delete_' . $object_type ) )
            return call_user_func( 'wp_delete_' . $object_type, $id );

        return false;
    }

    /**
     * Save a post and it's meta
     *
     * @param array $post_data All post data to be saved (using wp_insert_post / wp_update_post)
     * @param array $post_meta (optional) All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $post_meta
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return mixed|void
     *
     * @since 2.0
     */
    public function save_post ( $post_data, $post_meta = null, $strict = false, $sanitized = false, $fields = array() ) {
        $conflicted = pods_no_conflict_check( 'post' );

        if ( !$conflicted )
            pods_no_conflict_on( 'post' );

        if ( !is_array( $post_data ) || empty( $post_data ) )
            $post_data = array( 'post_title' => '' );

        if ( !is_array( $post_meta ) )
            $post_meta = array();

        if ( $sanitized ) {
            $post_data = pods_unsanitize( $post_data );
            $post_meta = pods_unsanitize( $post_meta );
        }

        if ( !isset( $post_data[ 'ID' ] ) || empty( $post_data[ 'ID' ] ) )
            $post_data[ 'ID' ] = wp_insert_post( $post_data, true );
        elseif ( 2 < count( $post_data ) || !isset( $post_data[ 'post_type' ] ) )
            $post_data[ 'ID' ] = wp_update_post( $post_data, true );

        if ( is_wp_error( $post_data[ 'ID' ] ) ) {
            if ( !$conflicted )
                pods_no_conflict_off( 'post' );

            /**
             * @var $post_error WP_Error
             */
            $post_error = $post_data[ 'ID' ];

            return pods_error( $post_error->get_error_message(), $this );
        }

        $this->save_post_meta( $post_data[ 'ID' ], $post_meta, $strict, $fields );

        if ( !$conflicted )
            pods_no_conflict_off( 'post' );

        return $post_data[ 'ID' ];
    }

    /**
     * Save a post's meta
     *
     * @param int $id Post ID
     * @param array $post_meta All meta to be saved (set value to null to delete)
     * @param bool $strict Whether to delete previously saved meta not in $post_meta
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Id of the post with the meta
     *
     * @since 2.0
     */
    public function save_post_meta ( $id, $post_meta = null, $strict = false, $fields = array() ) {

This method seems to be duplicated in your project.

        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $conflicted = pods_no_conflict_check( 'post' );

        if ( !$conflicted )
            pods_no_conflict_on( 'post' );

        if ( !is_array( $post_meta ) )
            $post_meta = array();

        $id = (int) $id;

        $meta = get_post_meta( $id );

        foreach ( $meta as $k => $value ) {
            if ( is_array( $value ) && 1 == count( $value ) )
                $meta[ $k ] = current( $value );
        }

        foreach ( $post_meta as $meta_key => $meta_value ) {
            if ( null === $meta_value || ( $strict && '' === $post_meta[ $meta_key ] ) ) {
                $old_meta_value = '';

                if ( isset( $meta[ $meta_key ] ) )
                    $old_meta_value = $meta[ $meta_key ];

                delete_post_meta( $id, $meta_key, $old_meta_value );
            }
            else {
				$simple = false;

				if ( isset( $fields[ $meta_key ] ) ) {
					$field_data = $fields[ $meta_key ];

					$simple = ( 'pick' == $field_data[ 'type' ] && in_array( pods_var( 'pick_object', $field_data ), $simple_tableless_objects ) );
				}

				if ( $simple ) {
					delete_post_meta( $id, $meta_key );

					update_post_meta( $id, '_pods_' . $meta_key, $meta_value );

					if ( ! is_array( $meta_value ) ) {
						$meta_value = array( $meta_value );
					}

					foreach ( $meta_value as $value ) {
						add_post_meta( $id, $meta_key, $value );
					}
				}
				else {
                	update_post_meta( $id, $meta_key, $meta_value );
				}
			}
        }

        if ( $strict ) {
            foreach ( $meta as $meta_key => $meta_value ) {
                if ( !isset( $post_meta[ $meta_key ] ) )
                    delete_post_meta( $id, $meta_key, $meta_value );
            }
        }

        if ( !$conflicted )
            pods_no_conflict_off( 'post' );

        return $id;
    }

    /**
     * Save a user and it's meta
     *
     * @param array $user_data All user data to be saved (using wp_insert_user / wp_update_user)
     * @param array $user_meta (optional) All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $user_meta
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Returns user id on success
     *
     * @since 2.0
     */
    public function save_user ( $user_data, $user_meta = null, $strict = false, $sanitized = false, $fields = array() ) {
        if ( !is_array( $user_data ) || empty( $user_data ) )
            return pods_error( __( 'User data is required but is either invalid or empty', 'pods' ), $this );

        $conflicted = pods_no_conflict_check( 'user' );

        if ( !$conflicted )
            pods_no_conflict_on( 'user' );

        if ( !is_array( $user_meta ) )
            $user_meta = array();

        if ( $sanitized ) {
            $user_data = pods_unsanitize( $user_data );
            $user_meta = pods_unsanitize( $user_meta );
        }

		// Set role
		if ( isset( $user_meta[ 'role' ] ) ) {
			$user_data[ 'role' ] = $user_meta[ 'role' ];

			unset( $user_meta[ 'role' ] );
		}

        if ( !isset( $user_data[ 'ID' ] ) || empty( $user_data[ 'ID' ] ) )
            $user_data[ 'ID' ] = wp_insert_user( $user_data );
        elseif ( 1 < count( $user_data ) )
            wp_update_user( $user_data );

        if ( is_wp_error( $user_data[ 'ID' ] ) ) {
            if ( !$conflicted )
                pods_no_conflict_off( 'user' );

            /**
             * @var $user_error WP_Error
             */
            $user_error = $user_data[ 'ID' ];

            return pods_error( $user_error->get_error_message(), $this );
        }

        $this->save_user_meta( $user_data[ 'ID' ], $user_meta, $strict, $fields );

        if ( !$conflicted )
            pods_no_conflict_off( 'user' );

        return $user_data[ 'ID' ];
    }

    /**
     * Save a user meta
     *
     * @param int $id User ID
     * @param array $user_meta (optional) All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $user_meta
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int User ID
     *
     * @since 2.0
     *
     */
    public function save_user_meta ( $id, $user_meta = null, $strict = false, $fields = array() ) {

This method seems to be duplicated in your project.

        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $conflicted = pods_no_conflict_check( 'user' );

        if ( !$conflicted )
            pods_no_conflict_on( 'user' );

        if ( !is_array( $user_meta ) )
            $user_meta = array();

        $id = (int) $id;

        $meta = get_user_meta( $id );

        foreach ( $user_meta as $meta_key => $meta_value ) {
            if ( null === $meta_value ) {
                $old_meta_value = '';

                if ( isset( $meta[ $meta_key ] ) )
                    $old_meta_value = $meta[ $meta_key ];

                delete_user_meta( $id, $meta_key, $old_meta_value );
            }
            else {
				$simple = false;

				if ( isset( $fields[ $meta_key ] ) ) {
					$field_data = $fields[ $meta_key ];

					$simple = ( 'pick' == $field_data[ 'type' ] && in_array( pods_var( 'pick_object', $field_data ), $simple_tableless_objects ) );
				}

				if ( $simple ) {
					delete_user_meta( $id, $meta_key );

					if ( ! is_array( $meta_value ) ) {
						$meta_value = array( $meta_value );
					}

					foreach ( $meta_value as $value ) {
						add_user_meta( $id, $meta_key, $value );
					}
				}
				else {
                	update_user_meta( $id, $meta_key, $meta_value );
				}
			}
        }

        if ( $strict ) {
            foreach ( $meta as $meta_key => $meta_value ) {
                if ( !isset( $user_meta[ $meta_key ] ) )
                    delete_user_meta( $id, $meta_key, $user_meta[ $meta_key ] );
            }
        }

        if ( !$conflicted )
            pods_no_conflict_off( 'user' );

        return $id;
    }

    /**
     * Save a comment and it's meta
     *
     * @param array $comment_data All comment data to be saved (using wp_insert_comment / wp_update_comment)
     * @param array $comment_meta (optional) All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $comment_meta
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Comment ID
     *
     * @since 2.0
     */
    public function save_comment ( $comment_data, $comment_meta = null, $strict = false, $sanitized = false, $fields = array() ) {
        if ( !is_array( $comment_data ) || empty( $comment_data ) )
            return pods_error( __( 'Comment data is required but is either invalid or empty', 'pods' ), $this );

        $conflicted = pods_no_conflict_check( 'comment' );

        if ( !$conflicted )
            pods_no_conflict_on( 'comment' );

        if ( !is_array( $comment_meta ) )
            $comment_meta = array();

        if ( $sanitized ) {
            $comment_data = pods_unsanitize( $comment_data );
            $comment_meta = pods_unsanitize( $comment_meta );
        }

        if ( !isset( $comment_data[ 'comment_ID' ] ) || empty( $comment_data[ 'comment_ID' ] ) )
	        $comment_data[ 'comment_ID' ] = wp_insert_comment( pods_slash( $comment_data ) ); // Expects slashed
        elseif ( 1 < count( $comment_data ) )
            wp_update_comment( $comment_data );

        if ( is_wp_error( $comment_data[ 'comment_ID' ] ) ) {
            if ( !$conflicted )
                pods_no_conflict_off( 'comment' );

            /**
             * @var $comment_error WP_Error
             */
            $comment_error = $comment_data[ 'comment_ID' ];

            return pods_error( $comment_error->get_error_message(), $this );
        }

        $this->save_comment_meta( $comment_data[ 'comment_ID' ], $comment_meta, $strict, $fields );

        if ( !$conflicted )
            pods_no_conflict_off( 'comment' );

        return $comment_data[ 'comment_ID' ];
    }

    /**
     * Save a comment meta
     *
     * @param int $id Comment ID
     * @param array $comment_meta (optional) All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $comment_meta
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Comment ID
     *
     * @since 2.0
     */
    public function save_comment_meta ( $id, $comment_meta = null, $strict = false, $fields = array() ) {

This method seems to be duplicated in your project.

        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $conflicted = pods_no_conflict_check( 'comment' );

        if ( !$conflicted )
            pods_no_conflict_on( 'comment' );

        if ( !is_array( $comment_meta ) )
            $comment_meta = array();

        $id = (int) $id;

        $meta = get_comment_meta( $id );

        foreach ( $comment_meta as $meta_key => $meta_value ) {
            if ( null === $meta_value ) {
                $old_meta_value = '';

                if ( isset( $meta[ $meta_key ] ) )
                    $old_meta_value = $meta[ $meta_key ];

                delete_comment_meta( $id, $meta_key, $old_meta_value );
            }
            else {
				$simple = false;

				if ( isset( $fields[ $meta_key ] ) ) {
					$field_data = $fields[ $meta_key ];

					$simple = ( 'pick' == $field_data[ 'type' ] && in_array( pods_var( 'pick_object', $field_data ), $simple_tableless_objects ) );
				}

				if ( $simple ) {
					delete_comment_meta( $id, $meta_key );

					if ( ! is_array( $meta_value ) ) {
						$meta_value = array( $meta_value );
					}

					foreach ( $meta_value as $value ) {
						add_comment_meta( $id, $meta_key, $value );
					}
				}
				else {
                	update_comment_meta( $id, $meta_key, $meta_value );
				}
			}
        }

        if ( $strict ) {
            foreach ( $meta as $meta_key => $meta_value ) {
                if ( !isset( $comment_meta[ $meta_key ] ) )
                    delete_comment_meta( (int) $id, $meta_key, $comment_meta[ $meta_key ] );
            }
        }

        if ( !$conflicted )
            pods_no_conflict_off( 'comment' );

        return $id;
    }

    /**
     * Save a taxonomy's term
     *
     * @param array $term_data All term data to be saved (using wp_insert_term / wp_update_term)
     * @param array $term_meta All meta to be saved (set value to null to delete)
     * @param bool $strict (optional) Whether to delete previously saved meta not in $post_meta
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Term ID
     *
     * @since 2.0
     */
    public function save_term ( $term_data, $term_meta, $strict = false, $sanitized = false, $fields = array() ) {
		if ( empty( $term_data['taxonomy'] ) ) {
            return 0;
		}

        $conflicted = pods_no_conflict_check( 'taxonomy' );

        if ( !is_array( $term_data ) || empty( $term_data ) )
            $term_data = array( 'name' => '' );

        if ( !$conflicted )
            pods_no_conflict_on( 'taxonomy' );

        if ( !is_array( $term_meta ) )
            $term_meta = array();

        if ( $sanitized ) {
            $term_data = pods_unsanitize( $term_data );
            $term_meta = pods_unsanitize( $term_meta );
        }

        $taxonomy = $term_data['taxonomy'];

        unset( $term_data['taxonomy'] );

        if ( empty( $term_data['term_id'] ) ) {
        	$term_name = $term_data['name'];

        	unset( $term_data['name'] );

            $term_data['term_id'] = wp_insert_term( $term_name, $taxonomy, $term_data );
		} elseif ( 2 < count( $term_data ) ) {
            $term_data['term_id'] = wp_update_term( $term_data['term_id'], $taxonomy, $term_data );
        }

        if ( is_wp_error( $term_data['term_id'] ) ) {
            if ( !$conflicted )
                pods_no_conflict_off( 'taxonomy' );

            /**
             * @var $term_error WP_Error
             */
            $term_error = $term_data[ 'term_id' ];

            return pods_error( $term_error->get_error_message(), $this );
        }
        elseif ( is_array( $term_data['term_id'] ) )
            $term_data['term_id'] = $term_data['term_id'][ 'term_id' ];

        $this->save_term_meta( $term_data['term_id'], $term_meta, $strict, $fields );

        if ( !$conflicted )
            pods_no_conflict_off( 'taxonomy' );

        return $term_data['term_id'];
    }

    /**
     * Save a term's meta
     *
     * @param int $id Term ID
     * @param array $term_meta All meta to be saved (set value to null to delete)
     * @param bool $strict Whether to delete previously saved meta not in $term_meta
     * @param array $fields (optional) The array of fields and their options, for further processing with
     *
     * @return int Id of the term with the meta
     *
     * @since 2.0
     */
    public function save_term_meta ( $id, $term_meta = null, $strict = false, $fields = array() ) {

This method seems to be duplicated in your project.

        if ( ! function_exists( 'get_term_meta' ) ) {
        	return $id;
        }

        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $conflicted = pods_no_conflict_check( 'taxonomy' );

        if ( !$conflicted )
            pods_no_conflict_on( 'taxonomy' );

        if ( !is_array( $term_meta ) )
            $term_meta = array();

        $id = (int) $id;

        $meta = get_term_meta( $id );

        foreach ( $meta as $k => $value ) {
            if ( is_array( $value ) && 1 == count( $value ) )
                $meta[ $k ] = current( $value );
        }

        foreach ( $term_meta as $meta_key => $meta_value ) {
            if ( null === $meta_value || ( $strict && '' === $term_meta[ $meta_key ] ) ) {
                $old_meta_value = '';

                if ( isset( $meta[ $meta_key ] ) )
                    $old_meta_value = $meta[ $meta_key ];

                delete_term_meta( $id, $meta_key, $old_meta_value );
            }
            else {
				$simple = false;

				if ( isset( $fields[ $meta_key ] ) ) {
					$field_data = $fields[ $meta_key ];

					$simple = ( 'pick' == $field_data[ 'type' ] && in_array( pods_var( 'pick_object', $field_data ), $simple_tableless_objects ) );
				}

				if ( $simple ) {
					delete_term_meta( $id, $meta_key );

					update_term_meta( $id, '_pods_' . $meta_key, $meta_value );

					if ( ! is_array( $meta_value ) ) {
						$meta_value = array( $meta_value );
					}

					foreach ( $meta_value as $value ) {
						add_term_meta( $id, $meta_key, $value );
					}
				}
				else {
                	update_term_meta( $id, $meta_key, $meta_value );
				}
			}
        }

        if ( $strict ) {
            foreach ( $meta as $meta_key => $meta_value ) {
                if ( !isset( $term_meta[ $meta_key ] ) )
                    delete_term_meta( $id, $meta_key, $meta_value );
            }
        }

        if ( !$conflicted )
            pods_no_conflict_off( 'taxonomy' );

        return $id;
    }

    /**
     * Save a set of options
     *
     * @param string $setting Setting group name
     * @param array $option_data All option data to be saved
     * @param bool $sanitized (optional) Will unsanitize the data, should be passed if the data is sanitized before sending.
     *
     * @return bool
     *
     * @since 2.3
     */
    public function save_setting ( $setting, $option_data, $sanitized = false ) {
        if ( !is_array( $option_data ) || empty( $option_data ) )
            return pods_error( __( 'Setting data is required but is either invalid or empty', 'pods' ), $this );

        $conflicted = pods_no_conflict_check( 'settings' );

        if ( !$conflicted )
            pods_no_conflict_on( 'settings' );

        if ( $sanitized )
            $option_data = pods_unsanitize( $option_data );

        foreach ( $option_data as $option => $value ) {
            if ( !empty( $setting ) )
                $option = $setting . '_' . $option;

            update_option( $option, $value );
        }

        if ( !$conflicted )
            pods_no_conflict_off( 'settings' );

        return true;
    }

    /**
     * Rename a WP object's type
     *
     * @param string $object_type Object type: post|taxonomy|comment|setting
     * @param string $old_name The old name
     * @param string $new_name The new name
     *
     * @return bool
     *
     * @since 2.0
     */
    public function rename_wp_object_type ( $object_type, $old_name, $new_name ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        if ( 'post_type' == $object_type )
            $object_type = 'post';

        if ( 'post' == $object_type ) {
            pods_query( "UPDATE `{$wpdb->posts}` SET `post_type` = %s WHERE `post_type` = %s", array(
                $new_name,
                $old_name
            ) );
        }
        elseif ( 'taxonomy' == $object_type ) {
            pods_query( "UPDATE `{$wpdb->term_taxonomy}` SET `taxonomy` = %s WHERE `taxonomy` = %s", array(
                $new_name,
                $old_name
            ) );
        }
        elseif ( 'comment' == $object_type ) {
            pods_query( "UPDATE `{$wpdb->comments}` SET `comment_type` = %s WHERE `comment_type` = %s", array(
                $new_name,
                $old_name
            ) );
        }
        elseif ( 'settings' == $object_type ) {
            pods_query( "UPDATE `{$wpdb->options}` SET `option_name` = REPLACE( `option_name`, %s, %s ) WHERE `option_name` LIKE '" . pods_sanitize_like( $old_name ) . "_%'", array(
                $new_name . '_',
                $old_name . '_'
            ) );
        }

        return true;
    }

    /**
     * Get a list of core WP object fields for a specific object
     *
     * @param string $object The pod type to look for, possible values: post_type, user, comment, taxonomy
     * @param array $pod Array of Pod data
     * @param boolean $refresh Whether to force refresh the information
     *
     * @return array Array of fields
     *
     * @since 2.0
     */
    public function get_wp_object_fields ( $object = 'post_type', $pod = null, $refresh = false ) {
        $pod_name = pods_var_raw( 'name', $pod, $object, null, true );

		if ( 'media' == $pod_name ) {
			$object = 'post_type';
			$pod_name = 'attachment';
		}

        $fields = false;

        if ( pods_api_cache() )
            $fields = pods_transient_get( trim( 'pods_api_object_fields_' . $object . $pod_name . '_', '_' ) );

        if ( false !== $fields && !$refresh )
            return $this->do_hook( 'get_wp_object_fields', $fields, $object, $pod );

        $fields = array();

        if ( 'post_type' == $object ) {
            $fields = array(
	            'ID' => array(
		            'name' => 'ID',
		            'label' => 'ID',
		            'type' => 'number',
		            'alias' => array( 'id' ),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
	            ),
                'post_title' => array(
                    'name' => 'post_title',
                    'label' => 'Title',
                    'type' => 'text',
                    'alias' => array( 'title', 'name' ),
                    'options' => array(
                        'display_filter' => 'the_title',
                        'display_filter_args' => array( 'post_ID' )
                    )
                ),
                'post_content' => array(
                    'name' => 'post_content',
                    'label' => 'Content',
                    'type' => 'wysiwyg',
                    'alias' => array( 'content' ),
                    'options' => array(
                        'wysiwyg_allowed_html_tags' => '',
                        'display_filter' => 'the_content',
                        'pre_save' => 0
                    )
                ),
                'post_excerpt' => array(
                    'name' => 'post_excerpt',
                    'label' => 'Excerpt',
                    'type' => 'paragraph',
                    'alias' => array( 'excerpt' ),
                    'options' => array(
                        'paragraph_allow_html' => 1,
                        'paragraph_allowed_html_tags' => '',
                        'display_filter' => 'the_excerpt',
                        'pre_save' => 0
                    )
                ),
                'post_author' => array(
                    'name' => 'post_author',
                    'label' => 'Author',
                    'type' => 'pick',
                    'alias' => array( 'author' ),
                    'pick_object' => 'user',
                    'options' => array(
                        'pick_format_type' => 'single',
                        'pick_format_single' => 'autocomplete',
                        'default_value' => '{@user.ID}'
                    )
                ),
                'post_date' => array(
                    'name' => 'post_date',
                    'label' => 'Publish Date',
                    'type' => 'datetime',
                    'alias' => array( 'created', 'date' )
                ),
                'post_date_gmt' => array(
                    'name' => 'post_date_gmt',
                    'label' => 'Publish Date (GMT)',
                    'type' => 'datetime',
                    'alias' => array(),
                    'hidden' => true
                ),
                'post_status' => array(
                    'name' => 'post_status',
                    'label' => 'Status',
                    'type' => 'pick',
                    'pick_object' => 'post-status',
                    'default' => $this->do_hook( 'default_status_' . $pod_name, pods_var( 'default_status', pods_var_raw( 'options', $pod ), 'draft', null, true ), $pod ),
                    'alias' => array( 'status' )
                ),
                'comment_status' => array(
                    'name' => 'comment_status',
                    'label' => 'Comment Status',
                    'type' => 'text',
                    'default' => get_option( 'default_comment_status', 'open' ),
                    'alias' => array(),
                    'data' => array(
                        'open' => __( 'Open', 'pods' ),
                        'closed' => __( 'Closed', 'pods' )
                    )
                ),
                'ping_status' => array(
                    'name' => 'ping_status',
                    'label' => 'Ping Status',
                    'default' => get_option( 'default_ping_status', 'open' ),
                    'type' => 'text',
                    'alias' => array(),
                    'data' => array(
                        'open' => __( 'Open', 'pods' ),
                        'closed' => __( 'Closed', 'pods' )
                    )
                ),
                'post_password' => array(
                    'name' => 'post_password',
                    'label' => 'Password',
                    'type' => 'text',
                    'alias' => array()
                ),
                'post_name' => array(
                    'name' => 'post_name',
                    'label' => 'Permalink',
                    'type' => 'slug',
                    'alias' => array( 'slug', 'permalink' )
                ),
                'to_ping' => array(
                    'name' => 'to_ping',
                    'label' => 'To Ping',
                    'type' => 'text',
                    'alias' => array(),
                    'hidden' => true
                ),
                'pinged' => array(
                    'name' => 'pinged',
                    'label' => 'Pinged',
                    'type' => 'text',
                    'alias' => array(),
                    'hidden' => true
                ),
                'post_modified' => array(
                    'name' => 'post_modified',
                    'label' => 'Last Modified Date',
                    'type' => 'datetime',
                    'alias' => array( 'modified' ),
                    'hidden' => true
                ),
                'post_modified_gmt' => array(
                    'name' => 'post_modified_gmt',
                    'label' => 'Last Modified Date (GMT)',
                    'type' => 'datetime',
                    'alias' => array(),
                    'hidden' => true
                ),
                'post_content_filtered' => array(
                    'name' => 'post_content_filtered',
                    'label' => 'Content (filtered)',
                    'type' => 'paragraph',
                    'alias' => array(),
                    'hidden' => true,
                    'options' => array(
                        'paragraph_allow_html' => 1,
                        'paragraph_oembed' => 1,
                        'paragraph_wptexturize' => 1,
                        'paragraph_convert_chars' => 1,
                        'paragraph_wpautop' => 1,
                        'paragraph_allow_shortcode' => 1,
                        'paragraph_allowed_html_tags' => ''
                    )
                ),
                'post_parent' => array(
                    'name' => 'post_parent',
                    'label' => 'Parent',
                    'type' => 'pick',
                    'pick_object' => 'post_type',
                    'pick_val' => '__current__',
                    'alias' => array( 'parent' ),
                    'data' => array(),
                    'hidden' => true
                ),
                'guid' => array(
                    'name' => 'guid',
                    'label' => 'GUID',
                    'type' => 'text',
                    'alias' => array(),
                    'hidden' => true
                ),
                'menu_order' => array(
                    'name' => 'menu_order',
                    'label' => 'Menu Order',
                    'type' => 'number',
                    'alias' => array(),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
                ),
                'post_type' => array(
                    'name' => 'post_type',
                    'label' => 'Type',
                    'type' => 'text',
                    'alias' => array( 'type' ),
                    'hidden' => true
                ),
                'post_mime_type' => array(
                    'name' => 'post_mime_type',
                    'label' => 'Mime Type',
                    'type' => 'text',
                    'alias' => array(),
                    'hidden' => true
                ),
                'comment_count' => array(
                    'name' => 'comment_count',
                    'label' => 'Comment Count',
                    'type' => 'number',
                    'alias' => array(),
                    'hidden' => true
                )
            );

            if ( !empty( $pod ) ) {
                $taxonomies = get_object_taxonomies( $pod_name, 'objects' );

                foreach ( $taxonomies as $taxonomy ) {
                    $fields[ $taxonomy->name ] = array(
                        'name' => $taxonomy->name,
                        'label' => $taxonomy->labels->name,
                        'type' => 'taxonomy',
						'pick_object' => 'taxonomy',
						'pick_val' => $taxonomy->name,
                        'alias' => array(),
                        'hidden' => true,
						'options' => array(
							'taxonomy_format_type' => 'multi'
						)
                    );
                }
            }
        }
        elseif ( 'user' == $object ) {
            $fields = array(
	            'ID' => array(
		            'name' => 'ID',
		            'label' => 'ID',
		            'type' => 'number',
		            'alias' => array( 'id' ),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
	            ),
                'user_login' => array(
                    'name' => 'user_login',
                    'label' => 'Title',
                    'type' => 'text',
                    'alias' => array( 'login' ),
                    'options' => array(
                        'required' => 1
                    )
                ),
                'user_nicename' => array(
                    'name' => 'user_nicename',
                    'label' => 'Permalink',
                    'type' => 'slug',
                    'alias' => array( 'nicename', 'slug', 'permalink' )
                ),
                'display_name' => array(
                    'name' => 'display_name',
                    'label' => 'Display Name',
                    'type' => 'text',
                    'alias' => array( 'title', 'name' )
                ),
                'user_pass' => array(
                    'name' => 'user_pass',
                    'label' => 'Password',
                    'type' => 'text',
                    'alias' => array( 'password', 'pass' ),
                    'options' => array(
                        'required' => 1,
                        'text_format_type' => 'password'
                    )
                ),
                'user_email' => array(
                    'name' => 'user_email',
                    'label' => 'E-mail',
                    'type' => 'text',
                    'alias' => array( 'email' ),
                    'options' => array(
                        'required' => 1,
                        'text_format_type' => 'email'
                    )
                ),
                'user_url' => array(
                    'name' => 'user_url',
                    'label' => 'URL',
                    'type' => 'text',
                    'alias' => array( 'url', 'website' ),
                    'options' => array(
                        'required' => 0,
                        'text_format_type' => 'website',
                        'text_format_website' => 'normal'
                    )
                ),
                'user_registered' => array(
                    'name' => 'user_registered',
                    'label' => 'Registration Date',
                    'type' => 'date',
                    'alias' => array( 'created', 'date', 'registered' ),
                    'options' => array(
                        'date_format_type' => 'datetime'
                    )
                )
            );
        }
        elseif ( 'comment' == $object ) {
            $fields = array(
	            'comment_ID' => array(
		            'name' => 'comment_ID',
		            'label' => 'ID',
		            'type' => 'number',
		            'alias' => array( 'id', 'ID', 'comment_id' ),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
	            ),
                'comment_content' => array(
                    'name' => 'comment_content',
                    'label' => 'Content',
                    'type' => 'wysiwyg',
                    'alias' => array( 'content' )
                ),
                'comment_approved' => array(
                    'name' => 'comment_approved',
                    'label' => 'Approved',
                    'type' => 'number',
                    'alias' => array( 'approved' ),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
                ),
                'comment_post_ID' => array(
                    'name' => 'comment_post_ID',
                    'label' => 'Post',
                    'type' => 'pick',
                    'alias' => array( 'post', 'post_id' ),
                    'data' => array()
                ),
                'user_id' => array(
                    'name' => 'user_id',
                    'label' => 'Author',
                    'type' => 'pick',
                    'alias' => array( 'author' ),
                    'pick_object' => 'user',
                    'data' => array()
                ),
                'comment_date' => array(
                    'name' => 'comment_date',
                    'label' => 'Date',
                    'type' => 'date',
                    'alias' => array( 'created', 'date' ),
                    'options' => array(
                        'date_format_type' => 'datetime'
                    )
                ),
                'comment_author' => array(
                    'name' => 'comment_author',
                    'label' => 'Author',
                    'type' => 'text',
                    'alias' => array( 'author' )
                ),
                'comment_author_email' => array(
                    'name' => 'comment_author_email',
                    'label' => 'Author E-mail',
                    'type' => 'email',
                    'alias' => array( 'author_email' )
                ),
                'comment_author_url' => array(
                    'name' => 'comment_author_url',
                    'label' => 'Author URL',
                    'type' => 'text',
                    'alias' => array( 'author_url' )
                ),
                'comment_author_IP' => array(
                    'name' => 'comment_author_IP',
                    'label' => 'Author IP',
                    'type' => 'text',
                    'alias' => array( 'author_IP' )
                ),
                'comment_type' => array(
                    'name' => 'comment_type',
                    'label' => 'Type',
                    'type' => 'text',
                    'alias' => array( 'type' ),
                    'hidden' => true
                ),
                'comment_parent' => array(
                    'name' => 'comment_parent',
                    'label' => 'Parent',
                    'type' => 'pick',
                    'pick_object' => 'comment',
                    'pick_val' => '__current__',
                    'alias' => array( 'parent' ),
                    'data' => array(),
                    'hidden' => true
                )
            );
        }
        elseif ( 'taxonomy' == $object ) {
            $fields = array(
	            'term_id' => array(
		            'name' => 'term_id',
		            'label' => 'ID',
		            'type' => 'number',
		            'alias' => array( 'id', 'ID' ),
	                'options' => array(
                        'number_format' => '9999.99'
	                )
	            ),
                'name' => array(
                    'name' => 'name',
                    'label' => 'Title',
                    'type' => 'text',
                    'alias' => array( 'title' )
                ),
                'slug' => array(
                    'name' => 'slug',
                    'label' => 'Permalink',
                    'type' => 'slug',
                    'alias' => array( 'permalink' )
                ),
                'description' => array(
                    'name' => 'description',
                    'label' => 'Description',
                    'type' => 'wysiwyg',
                    'alias' => array( 'content' )
                ),
                'taxonomy' => array(
                    'name' => 'taxonomy',
                    'label' => 'Taxonomy',
                    'type' => 'pick',
                    'alias' => array()
                ),
                'parent' => array(
                    'name' => 'parent',
                    'label' => 'Parent',
                    'type' => 'pick',
                    'pick_object' => 'taxonomy',
                    'pick_val' => '__current__',
                    'alias' => array( 'parent' ),
                    'data' => array(),
                    'hidden' => true
                ),
                'term_taxonomy_id' => array(
                    'name' => 'term_taxonomy_id',
                    'label' => 'Term Taxonomy ID',
                    'type' => 'number',
                    'alias' => array(),
                    'hidden' => true,
	                'options' => array(
                        'number_format' => '9999.99'
	                )
                ),
                'term_group' => array(
                    'name' => 'term_group',
                    'label' => 'Term Group',
                    'type' => 'number',
                    'alias' => array( 'group' ),
                    'hidden' => true,
	                'options' => array(
                        'number_format' => '9999.99'
	                )
                ),
                'count' => array(
                    'name' => 'count',
                    'label' => 'Count',
                    'type' => 'number',
                    'alias' => array(),
                    'hidden' => true,
	                'options' => array(
                        'number_format' => '9999.99'
	                )
                )
            );
        }

        $fields = $this->do_hook( 'get_wp_object_fields', $fields, $object, $pod );

        foreach ( $fields as $field => $options ) {
            if ( !isset( $options[ 'alias' ] ) )
                $options[ 'alias' ] = array();
            else
                $options[ 'alias' ] = (array) $options[ 'alias' ];

            if ( !isset( $options[ 'name' ] ) )
                $options[ 'name' ] = $field;

            $fields[ $field ] = $options;
        }

        $fields = PodsForm::fields_setup( $fields );

        if ( did_action( 'init' ) && pods_api_cache() )
            pods_transient_set( trim( 'pods_api_object_fields_' . $object . $pod_name . '_', '_' ), $fields );

        return $fields;
    }

    /**
     *
     * @see PodsAPI::save_pod
     *
     * Add a Pod via the Wizard
     *
     * $params['create_extend'] string Create or Extend a Content Type
     * $params['create_pod_type'] string Pod Type (for Creating)
     * $params['create_name'] string Pod Name (for Creating)
     * $params['create_label_plural'] string Plural Label (for Creating)
     * $params['create_label_singular'] string Singular Label (for Creating)
     * $params['create_storage'] string Storage Type (for Creating Post Types)
     * $params['create_storage_taxonomy'] string Storage Type (for Creating Taxonomies)
     * $params['extend_pod_type'] string Pod Type (for Extending)
     * $params['extend_post_type'] string Post Type (for Extending Post Types)
     * $params['extend_taxonomy'] string Taxonomy (for Extending Taxonomies)
     * $params['extend_storage'] string Storage Type (for Extending Post Types / Users / Comments)
     *
     * @param array $params An associative array of parameters
     *
     * @return bool|int Pod ID
     * @since 2.0
     */
    public function add_pod ( $params ) {
        $defaults = array(
            'create_extend' => 'create',
            'create_pod_type' => 'post_type',

            'create_name' => '',
            'create_label_singular' => '',
            'create_label_plural' => '',
            'create_storage' => 'meta',
            'create_storage_taxonomy' => ( function_exists( 'get_term_meta' ) ? 'meta' : 'none' ),

            'create_setting_name' => '',
            'create_label_title' => '',
            'create_label_menu' => '',
            'create_menu_location' => 'settings',

            'extend_pod_type' => 'post_type',
            'extend_post_type' => 'post',
            'extend_taxonomy' => 'category',
            'extend_table' => '',
            'extend_storage' => 'meta',
            'extend_storage_taxonomy' => ( function_exists( 'get_term_meta' ) ? 'meta' : 'table' ),
        );

        $params = (object) array_merge( $defaults, (array) $params );

        if ( empty( $params->create_extend ) || !in_array( $params->create_extend, array( 'create', 'extend' ) ) )
            return pods_error( __( 'Please choose whether to Create or Extend a Content Type', 'pods' ), $this );

        $pod_params = array(
            'name' => '',
            'label' => '',
            'type' => '',
            'storage' => 'table',
            'object' => '',
            'options' => array()
        );

        if ( 'create' == $params->create_extend ) {
            $label = ucwords( str_replace( '_', ' ', $params->create_name ) );

            if ( !empty( $params->create_label_singular ) )
                $label = $params->create_label_singular;

            $pod_params[ 'name' ] = $params->create_name;
            $pod_params[ 'label' ] = ( !empty( $params->create_label_plural ) ? $params->create_label_plural : $label );
            $pod_params[ 'type' ] = $params->create_pod_type;
            $pod_params[ 'options' ] = array(
                'label_singular' => ( !empty( $params->create_label_singular ) ? $params->create_label_singular : $pod_params[ 'label' ] ),
                'public' => 1,
                'show_ui' => 1
            );

            // Auto-generate name if not provided
            if ( empty( $pod_params[ 'name' ] ) && !empty( $pod_params[ 'options' ][ 'label_singular' ] ) )
                $pod_params[ 'name' ] = pods_clean_name( $pod_params[ 'options' ][ 'label_singular' ] );

            if ( 'post_type' == $pod_params[ 'type' ] ) {
                if ( empty(  $pod_params[ 'name' ] ) )
                    return pods_error( 'Please enter a Name for this Pod', $this );

                $pod_params[ 'storage' ] = $params->create_storage;

                if ( pods_tableless() )
                    $pod_params[ 'storage' ] = 'meta';
            }
            elseif ( 'taxonomy' == $pod_params[ 'type' ] ) {
                if ( empty(  $pod_params[ 'name' ] ) )
                    return pods_error( 'Please enter a Name for this Pod', $this );

                $pod_params[ 'storage' ] = $params->create_storage_taxonomy;

                if ( pods_tableless() )
                    $pod_params[ 'storage' ] = ( function_exists( 'get_term_meta' ) ? 'meta' : 'none' );
            }
            elseif ( 'pod' == $pod_params[ 'type' ] ) {
                if ( empty(  $pod_params[ 'name' ] ) )
                    return pods_error( 'Please enter a Name for this Pod', $this );

                if ( pods_tableless() ) {
                    $pod_params[ 'type' ] = 'post_type';
                    $pod_params[ 'storage' ] = 'meta';
                }
            }
            elseif ( 'settings' == $pod_params[ 'type' ] ) {
                $pod_params[ 'name' ] = $params->create_setting_name;
                $pod_params[ 'label' ] = ( !empty( $params->create_label_title ) ? $params->create_label_title : ucwords( str_replace( '_', ' ', $params->create_setting_name ) ) );
                $pod_params[ 'options' ] = array(
                    'menu_name' => ( !empty( $params->create_label_menu ) ? $params->create_label_menu : $pod_params[ 'label' ] ),
                    'menu_location' => $params->create_menu_location
                );
                $pod_params[ 'storage' ] = 'none';

                // Auto-generate name if not provided
                if ( empty( $pod_params[ 'name' ] ) && !empty( $pod_params[ 'label' ] ) )
                    $pod_params[ 'name' ] = pods_clean_name( $pod_params[ 'label' ] );

                if ( empty( $pod_params[ 'name' ] ) )
                    return pods_error( 'Please enter a Name for this Pod', $this );
            }
        }
        elseif ( 'extend' == $params->create_extend ) {
            $pod_params[ 'type' ] = $params->extend_pod_type;

            if ( 'post_type' == $pod_params[ 'type' ] ) {
                $pod_params[ 'storage' ] = $params->extend_storage;

                if ( pods_tableless() )
                    $pod_params[ 'storage' ] = 'meta';

                $pod_params[ 'name' ] = $params->extend_post_type;
            }
            elseif ( 'taxonomy' == $pod_params[ 'type' ] ) {
                $pod_params[ 'storage' ] = $params->extend_storage_taxonomy;

                if ( pods_tableless() )
                    $pod_params[ 'storage' ] = ( function_exists( 'get_term_meta' ) ? 'meta' : 'none' );

                $pod_params[ 'name' ] = $params->extend_taxonomy;
            }
            elseif ( 'table' == $pod_params[ 'type' ] ) {
                $pod_params[ 'storage' ] = 'table';
                $pod_params[ 'name' ] = $params->extend_table;
            }
            else {
                $pod_params[ 'storage' ] = $params->extend_storage;

                if ( pods_tableless() )
                    $pod_params[ 'storage' ] = 'meta';

                $pod_params[ 'name' ] = $params->extend_pod_type;
            }

            $pod_params[ 'label' ] = ucwords( str_replace( '_', ' ', $pod_params[ 'name' ] ) );
            $pod_params[ 'object' ] = $pod_params[ 'name' ];
        }

        if ( empty( $pod_params[ 'object' ] ) ) {
            if ( 'post_type' == $pod_params[ 'type' ] ) {
                $check = get_post_type_object( $pod_params[ 'name' ] );

                if ( !empty( $check ) )
                    return pods_error( sprintf( __( 'Post Type %s already exists, try extending it instead', 'pods' ), $pod_params[ 'name' ] ), $this );

                $pod_params[ 'options' ][ 'supports_title' ] = 1;
                $pod_params[ 'options' ][ 'supports_editor' ] = 1;
            }
            elseif ( 'taxonomy' == $pod_params[ 'type' ] ) {
                $check = get_taxonomy( $pod_params[ 'name' ] );

                if ( !empty( $check ) )
                    return pods_error( sprintf( __( 'Taxonomy %s already exists, try extending it instead', 'pods' ), $pod_params[ 'name' ] ), $this );
            }
        }

        if ( !empty( $pod_params ) )
            return $this->save_pod( $pod_params );

        return false;
    }

    /**
     * Add or edit a Pod
     *
     * $params['id'] int The Pod ID
     * $params['name'] string The Pod name
     * $params['label'] string The Pod label
     * $params['type'] string The Pod type
     * $params['object'] string The object being extended (if any)
     * $params['storage'] string The Pod storage
     * $params['options'] array Options
     *
     * @param array $params An associative array of parameters
     * @param bool $sanitized (optional) Decides whether the params have been sanitized before being passed, will sanitize them if false.
     * @param bool|int $db (optional) Whether to save into the DB or just return Pod array.
     *
     * @return int Pod ID
     * @since 1.7.9
     */
    public function save_pod ( $params, $sanitized = false, $db = true ) {
        $tableless_field_types = PodsForm::tableless_field_types();
        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $load_params = (object) $params;

        if ( isset( $load_params->id ) && isset( $load_params->name ) )
            unset( $load_params->name );

        if ( isset( $load_params->old_name ) )
            $load_params->name = $load_params->old_name;

        $load_params->table_info = true;

        $pod = $this->load_pod( $load_params, false );

        $params = (object) $params;

        if ( false === $sanitized )
            $params = pods_sanitize( $params );

        $old_id = $old_name = $old_storage = null;

        $old_fields = $old_options = array();

		if ( isset( $params->name ) && ! isset( $params->object ) ) {
			$params->name = pods_clean_name( $params->name );
		}

        if ( !empty( $pod ) ) {
            if ( isset( $params->id ) && 0 < $params->id )
                $old_id = $params->id;

            $params->id = $pod[ 'id' ];

            $old_name = $pod[ 'name' ];
            $old_storage = $pod[ 'storage' ];
            $old_fields = $pod[ 'fields' ];
            $old_options = $pod[ 'options' ];

            if ( !isset( $params->name ) && empty( $params->name ) )
                $params->name = $pod[ 'name' ];

            if ( $old_name != $params->name && false !== $this->pod_exists( array( 'name' => $params->name ) ) )
                return pods_error( sprintf( __( 'Pod %s already exists, you cannot rename %s to that', 'pods' ), $params->name, $old_name ), $this );

            if ( $old_name != $params->name && in_array( $pod[ 'type' ], array( 'user', 'comment', 'media' ) ) && in_array( $pod[ 'object' ], array( 'user', 'comment', 'media' ) ) )
                return pods_error( sprintf( __( 'Pod %s cannot be renamed, it extends an existing WP Object', 'pods' ), $old_name ), $this );

            if ( $old_name != $params->name && in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && !empty( $pod[ 'object' ] ) && $pod[ 'object' ] == $old_name )
                return pods_error( sprintf( __( 'Pod %s cannot be renamed, it extends an existing WP Object', 'pods' ), $old_name ), $this );

            if ( $old_id != $params->id ) {
                if ( $params->type == $pod[ 'type' ] && isset( $params->object ) && $params->object == $pod[ 'object' ] )
                    return pods_error( sprintf( __( 'Pod using %s already exists, you can not reuse an object across multiple pods', 'pods' ), $params->object ), $this );
                else
                    return pods_error( sprintf( __( 'Pod %s already exists', 'pods' ), $params->name ), $this );
            }
        }
		elseif ( in_array( $params->name, array( 'order','orderby','post_type' ) ) && 'post_type' == pods_var( 'type', $params ) ) {
			return pods_error( sprintf( 'There are certain names that a Custom Post Types cannot be named and unfortunately, %s is one of them.', $params->name ), $this );
		}
        else {
            $pod = array(
                'id' => 0,
                'name' => $params->name,
                'label' => $params->name,
                'description' => '',
                'type' => 'pod',
                'storage' => 'table',
                'object' => '',
                'alias' => '',
                'options' => array(),
                'fields' => array()
            );
        }

        // Blank out fields and options for AJAX calls (everything should be sent to it for a full overwrite)
        if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
            $pod[ 'fields' ] = array();
            $pod[ 'options' ] = array();
        }

        // Setup options
        $options = get_object_vars( $params );

        if ( isset( $options[ 'method' ] ) )
            unset( $options[ 'method' ] );

        $options_ignore = array(
            'object_type',
            'object_name',
            'table',
            'meta_table',
            'pod_table',
            'field_id',
            'field_index',
            'field_slug',
            'field_type',
            'field_parent',
            'field_parent_select',
            'meta_field_id',
            'meta_field_index',
            'meta_field_value',
            'pod_field_id',
            'pod_field_index',
            'object_fields',
            'join',
            'where',
            'where_default',
            'orderby',
            'pod',
            'recurse',
            'table_info',
            'attributes',
            'group',
            'grouped',
            'developer_mode',
            'dependency',
            'depends-on',
            'excludes-on'
        );

        foreach ( $options_ignore as $ignore ) {
            if ( isset( $options[ $ignore ] ) )
                unset( $options[ $ignore ] );
        }

        $exclude = array(
            'id',
            'name',
            'label',
            'description',
            'type',
            'storage',
            'object',
            'alias',
            'options',
            'fields'
        );

        foreach ( $exclude as $k => $exclude_field ) {
            $aliases = array( $exclude_field );

            if ( is_array( $exclude_field ) ) {
                $aliases = array_merge( array( $k ), $exclude_field );
                $exclude_field = $k;
            }

            foreach ( $aliases as $alias ) {
                if ( isset( $options[ $alias ] ) ) {
                    $pod[ $exclude_field ] = pods_trim( $options[ $alias ] );

                    unset( $options[ $alias ] );
                }
            }
        }

        if ( pods_tableless() && !in_array( $pod[ 'type' ], array( 'settings', 'table' ) ) ) {
            if ( 'pod' == $pod[ 'type' ] )
                $pod[ 'type' ] = 'post_type';

            if ( 'table' == $pod[ 'storage' ] ) {
                if ( 'taxonomy' == $pod[ 'type' ] && ! function_exists( 'get_term_meta' ) )
                    $pod[ 'storage' ] = 'none';
                else
                    $pod[ 'storage' ] = 'meta';
            }
        }

        $pod[ 'options' ][ 'type' ] = $pod[ 'type' ];
        $pod[ 'options' ][ 'storage' ] = $pod[ 'storage' ];
        $pod[ 'options' ][ 'object' ] = $pod[ 'object' ];
        $pod[ 'options' ][ 'alias' ] = $pod[ 'alias' ];

        $pod[ 'options' ] = array_merge( $pod[ 'options' ], $options );

		/**
		 * @var WP_Query
		 */
		global $wp_query;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

		$reserved_query_vars = array(
			'post_type',
			'taxonomy',
			'output'
		);

		if ( is_object( $wp_query ) ) {
			$reserved_query_vars = array_merge( $reserved_query_vars, array_keys( $wp_query->fill_query_vars( array() ) ) );
		}

		if ( isset( $pod[ 'options' ][ 'query_var_string' ] ) ) {
			if ( in_array( $pod[ 'options' ][ 'query_var_string' ], $reserved_query_vars ) ) {
				$pod[ 'options' ][ 'query_var_string' ] = $pod[ 'options' ][ 'type' ] . '_' . $pod[ 'options' ][ 'query_var_string' ];
			}
		}

		if ( isset( $pod[ 'options' ][ 'query_var' ] ) ) {
			if ( in_array( $pod[ 'options' ][ 'query_var' ], $reserved_query_vars ) ) {
				$pod[ 'options' ][ 'query_var' ] = $pod[ 'options' ][ 'type' ] . '_' . $pod[ 'options' ][ 'query_var' ];
			}
		}

        if ( strlen( $pod[ 'label' ] ) < 1 )
            $pod[ 'label' ] = $pod[ 'name' ];

        if ( 'post_type' == $pod[ 'type' ] ) {
            // Max length for post types are 20 characters
            $pod[ 'name' ] = substr( $pod[ 'name' ], 0, 20 );
        }
        elseif ( 'taxonomy' == $pod[ 'type' ] ) {
            // Max length for taxonomies are 32 characters
            $pod[ 'name' ] = substr( $pod[ 'name' ], 0, 32 );
        }

        $params->id = $pod[ 'id' ];
        $params->name = $pod[ 'name' ];

        if ( null !== $old_name && $old_name != $params->name && empty( $pod[ 'object' ] ) ) {
            if ( 'post_type' == $pod[ 'type' ] ) {
                $check = get_post_type_object( $params->name );

                if ( !empty( $check ) )
                    return pods_error( sprintf( __( 'Post Type %s already exists, you cannot rename %s to that', 'pods' ), $params->name, $old_name ), $this );
            }
            elseif ( 'taxonomy' == $pod[ 'type' ] ) {
                $check = get_taxonomy( $params->name );

                if ( !empty( $check ) )
                    return pods_error( sprintf( __( 'Taxonomy %s already exists, you cannot rename %s to that', 'pods' ), $params->name, $old_name ), $this );
            }
        }

        $field_table_operation = true;

        // Add new pod
        if ( empty( $params->id ) ) {
            if ( strlen( $params->name ) < 1 )
                return pods_error( __( 'Pod name cannot be empty', 'pods' ), $this );

            $post_data = array(
                'post_name' => $pod[ 'name' ],
                'post_title' => $pod[ 'label' ],
                'post_content' => $pod[ 'description' ],
                'post_type' => '_pods_pod',
                'post_status' => 'publish'
            );

            if ( 'pod' == $pod[ 'type' ] && ( !is_array( $pod[ 'fields' ] ) || empty( $pod[ 'fields' ] ) ) ) {
                $pod[ 'fields' ] = array();

                $pod[ 'fields' ][ 'name' ] = array(
                    'name' => 'name',
                    'label' => 'Name',
                    'type' => 'text',
                    'options' => array(
                        'required' => '1'
                    )
                );

                $pod[ 'fields' ][ 'created' ] = array(
                    'name' => 'created',
                    'label' => 'Date Created',
                    'type' => 'datetime',
                    'options' => array(
                        'datetime_format' => 'ymd_slash',
                        'datetime_time_type' => '12',
                        'datetime_time_format' => 'h_mm_ss_A'
                    )
                );

                $pod[ 'fields' ][ 'modified' ] = array(
                    'name' => 'modified',
                    'label' => 'Date Modified',
                    'type' => 'datetime',
                    'options' => array(
                        'datetime_format' => 'ymd_slash',
                        'datetime_time_type' => '12',
                        'datetime_time_format' => 'h_mm_ss_A'
                    )
                );

                $pod[ 'fields' ][ 'author' ] = array(
                    'name' => 'author',
                    'label' => 'Author',
                    'type' => 'pick',
                    'pick_object' => 'user',
                    'options' => array(
                        'pick_format_type' => 'single',
                        'pick_format_single' => 'autocomplete',
                        'default_value' => '{@user.ID}'
                    )
                );

                $pod[ 'fields' ][ 'permalink' ] = array(
                    'name' => 'permalink',
                    'label' => 'Permalink',
                    'type' => 'slug',
                    'description' => 'Leave blank to auto-generate from Name'
                );

                if ( !isset( $pod[ 'options' ][ 'pod_index' ] ) )
                    $pod[ 'options' ][ 'pod_index' ] = 'name';
            }

            $pod = $this->do_hook( 'save_pod_default_pod', $pod, $params, $sanitized, $db );

            $field_table_operation = false;
        }
        else {
            $post_data = array(
                'ID' => $pod[ 'id' ],
                'post_name' => $pod[ 'name' ],
                'post_title' => $pod[ 'label' ],
                'post_content' => $pod[ 'description' ],
                'post_status' => 'publish'
            );
        }

        if ( true === $db ) {
            if ( !has_filter( 'wp_unique_post_slug', array( $this, 'save_slug_fix' ) ) )
                add_filter( 'wp_unique_post_slug', array( $this, 'save_slug_fix' ), 100, 6 );

            $conflicted = false;

            // Headway compatibility fix
            if ( has_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 ) ) {
                remove_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 );

                $conflicted = true;
            }

            $params->id = $this->save_wp_object( 'post', $post_data, $pod[ 'options' ], true, true );

            if ( $conflicted )
                add_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 );

            if ( false === $params->id )
                return pods_error( __( 'Cannot save Pod', 'pods' ), $this );
        }
        elseif ( empty( $params->id ) )
            $params->id = (int) $db;

        $pod[ 'id' ] = $params->id;

        // Setup / update tables
        if ( 'table' != $pod[ 'type' ] && 'table' == $pod[ 'storage' ] && $old_storage != $pod[ 'storage' ] && $db ) {
            $definitions = array( "`id` BIGINT(20) UNSIGNED AUTO_INCREMENT PRIMARY KEY" );

            $defined_fields = array();

            foreach ( $pod[ 'fields' ] as $field ) {
                if ( !is_array( $field ) || !isset( $field[ 'name' ] ) || in_array( $field[ 'name' ], $defined_fields ) )
                    continue;

                $defined_fields[] = $field[ 'name' ];

                if ( !in_array( $field[ 'type' ], $tableless_field_types ) || ( 'pick' == $field[ 'type' ] && in_array( pods_var( 'pick_object', $field ), $simple_tableless_objects ) ) ) {
                    $definition = $this->get_field_definition( $field[ 'type' ], array_merge( $field, pods_var_raw( 'options', $field, array() ) ) );

                    if ( 0 < strlen( $definition ) )
                        $definitions[] = "`{$field['name']}` " . $definition;
                }
            }

            pods_query( "DROP TABLE IF EXISTS `@wp_pods_{$params->name}`" );

            $result = pods_query( "CREATE TABLE `@wp_pods_{$params->name}` (" . implode( ', ', $definitions ) . ") DEFAULT CHARSET utf8", $this );

            if ( empty( $result ) )
                return pods_error( __( 'Cannot add Database Table for Pod', 'pods' ), $this );

        }
        elseif ( 'table' != $pod[ 'type' ] && 'table' == $pod[ 'storage' ] && $pod[ 'storage' ] == $old_storage && null !== $old_name && $old_name != $params->name && $db ) {
            $result = pods_query( "ALTER TABLE `@wp_pods_{$old_name}` RENAME `@wp_pods_{$params->name}`", $this );

            if ( empty( $result ) )
                return pods_error( __( 'Cannot update Database Table for Pod', 'pods' ), $this );
        }

        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

		if ( null !== $old_name && $old_name != $params->name && $db ) {
        	// Rename items in the DB pointed at the old WP Object names
			if ( 'post_type' == $pod[ 'type' ] && empty( $pod[ 'object' ] ) ) {
				$this->rename_wp_object_type( 'post', $old_name, $params->name );
			}
			elseif ( 'taxonomy' == $pod[ 'type' ] && empty( $pod[ 'object' ] ) ) {
				$this->rename_wp_object_type( 'taxonomy', $old_name, $params->name );
			}
			elseif ( 'comment' == $pod[ 'type' ] && empty( $pod[ 'object' ] ) ) {
				$this->rename_wp_object_type( 'comment', $old_name, $params->name );
			}
			elseif ( 'settings' == $pod[ 'type' ] ) {
				$this->rename_wp_object_type( 'settings', $old_name, $params->name );
			}

        	// Sync any related fields if the name has changed
            $fields = pods_query( "
                SELECT `p`.`ID`
                FROM `{$wpdb->posts}` AS `p`
                LEFT JOIN `{$wpdb->postmeta}` AS `pm` ON `pm`.`post_id` = `p`.`ID`
                LEFT JOIN `{$wpdb->postmeta}` AS `pm2` ON `pm2`.`post_id` = `p`.`ID`
                WHERE
                    `p`.`post_type` = '_pods_field'
                    AND `pm`.`meta_key` = 'pick_object'
                    AND (
                    	`pm`.`meta_value` = 'pod'
                    	OR `pm`.`meta_value` = '" . $pod[ 'type' ] . "'
					)
                    AND `pm2`.`meta_key` = 'pick_val'
                    AND `pm2`.`meta_value` = '{$old_name}'
            " );

            if ( !empty( $fields ) ) {
                foreach ( $fields as $field ) {
                    update_post_meta( $field->ID, 'pick_object', $pod[ 'type' ] );
                    update_post_meta( $field->ID, 'pick_val', $params->name );
                }
            }

            $fields = pods_query( "
                SELECT `p`.`ID`
                FROM `{$wpdb->posts}` AS `p`
                LEFT JOIN `{$wpdb->postmeta}` AS `pm` ON `pm`.`post_id` = `p`.`ID`
                WHERE
                    `p`.`post_type` = '_pods_field'
                    AND `pm`.`meta_key` = 'pick_object'
                    AND (
                    	`pm`.`meta_value` = 'pod-{$old_name}'
                    	OR `pm`.`meta_value` = '" . $pod[ 'type' ] . "-{$old_name}'
					)
            " );

            if ( !empty( $fields ) ) {
                foreach ( $fields as $field ) {
                    update_post_meta( $field->ID, 'pick_object', $pod[ 'type' ] );
                    update_post_meta( $field->ID, 'pick_val', $params->name );
                }
            }
        }

        // Sync built-in options for post types and taxonomies
        if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && empty( $pod[ 'object' ] ) && $db ) {
            // Build list of 'built_in' for later
            $built_in = array();

            foreach ( $pod[ 'options' ] as $key => $val ) {
                if ( false === strpos( $key, 'built_in_' ) )
                    continue;
                elseif ( false !== strpos( $key, 'built_in_post_types_' ) )
                    $built_in_type = 'post_type';
                elseif ( false !== strpos( $key, 'built_in_taxonomies_' ) )
                    $built_in_type = 'taxonomy';
                else
                    continue;

                if ( $built_in_type == $pod[ 'type' ] )
                    continue;

                if ( !isset( $built_in[ $built_in_type ] ) )
                    $built_in[ $built_in_type ] = array();

                $built_in_object = str_replace( array( 'built_in_post_types_', 'built_in_taxonomies_' ), '', $key );

                $built_in[ $built_in_type ][ $built_in_object ] = (int) $val;
            }

            $lookup_option = $lookup_built_in = false;

            $lookup_name = $pod[ 'name' ];

            if ( 'post_type' == $pod[ 'type' ] ) {
                $lookup_option = 'built_in_post_types_' . $lookup_name;
                $lookup_built_in = 'taxonomy';
            }
            elseif ( 'taxonomy' == $pod[ 'type' ] ) {
                $lookup_option = 'built_in_taxonomies_' . $lookup_name;
                $lookup_built_in = 'post_type';
            }

            if ( !empty( $lookup_option ) && !empty( $lookup_built_in ) && isset( $built_in[ $lookup_built_in ] ) ) {
                foreach ( $built_in[ $lookup_built_in ] as $built_in_object => $val ) {
                    $search_val = 1;

                    if ( 1 == $val )
                        $search_val = 0;

                    $query = "SELECT p.ID FROM {$wpdb->posts} AS p
                                LEFT JOIN {$wpdb->postmeta} AS pm ON pm.post_id = p.ID AND pm.meta_key = '{$lookup_option}'
                                LEFT JOIN {$wpdb->postmeta} AS pm2 ON pm2.post_id = p.ID AND pm2.meta_key = 'type' AND pm2.meta_value = '{$lookup_built_in}'
                                LEFT JOIN {$wpdb->postmeta} AS pm3 ON pm3.post_id = p.ID AND pm3.meta_key = 'object' AND pm3.meta_value = ''
                                WHERE p.post_type = '_pods_pod' AND p.post_name = '{$built_in_object}'
                                    AND pm2.meta_id IS NOT NULL
                                    AND ( pm.meta_id IS NULL OR pm.meta_value = {$search_val} )";

                    $results = pods_query( $query );

                    if ( !empty( $results ) ) {
                        foreach ( $results as $the_pod ) {
                            delete_post_meta( $the_pod->ID, $lookup_option );

                            add_post_meta( $the_pod->ID, $lookup_option, $val );
                        }
                    }
                }
            }
        }

        $saved = array();
        $errors = array();

        $field_index_change = false;
        $field_index_id = 0;

        $id_required = false;

        $field_index = pods_var( 'pod_index', $pod[ 'options' ], 'id', null, true );

        if ( 'pod' == $pod[ 'type' ] && !empty( $pod[ 'fields' ] ) && isset( $pod[ 'fields' ][ $field_index ] ) )
            $field_index_id = $pod[ 'fields' ][ $field_index ];

        if ( isset( $params->fields ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
            $fields = array();

            if ( isset( $params->fields ) ) {
                $params->fields = (array) $params->fields;

                $weight = 0;

                foreach ( $params->fields as $field ) {
                    if ( !is_array( $field ) || !isset( $field[ 'name' ] ) )
                        continue;

                    if ( !isset( $field[ 'weight' ] ) ) {
                        $field[ 'weight' ] = $weight;

                        $weight++;
                    }

                    $fields[ $field[ 'name' ] ] = $field;
                }
            }

            $weight = 0;

            $saved_field_ids = array();

            foreach ( $pod[ 'fields' ] as $k => $field ) {
                if ( !empty( $old_id ) && ( !is_array( $field ) || !isset( $field[ 'name' ] ) || !isset( $fields[ $field[ 'name' ] ] ) ) ) {
                    // Iterative change handling for setup-edit.php
                    if ( !is_array( $field ) && isset( $old_fields[ $k ] ) )
                        $saved[ $old_fields[ $k ][ 'name' ] ] = true;

                    continue;
                }

                if ( !empty( $old_id ) )
                    $field = array_merge( $field, $fields[ $field[ 'name' ] ] );

                $field[ 'pod' ] = $pod;

                if ( !isset( $field[ 'weight' ] ) ) {
                    $field[ 'weight' ] = $weight;

                    $weight++;
                }

                if ( 0 < $field_index_id && pods_var( 'id', $field ) == $field_index_id )
                    $field_index_change = $field[ 'name' ];

                if ( 0 < pods_var( 'id', $field ) )
                    $id_required = true;

                if ( $id_required )
                    $field[ 'id_required' ] = true;

                $field_data = $field;

                $field = $this->save_field( $field_data, $field_table_operation, true, $db );

                if ( true !== $db ) {
                    $pod[ 'fields' ][ $k ] = $field;
                    $saved_field_ids[] = $field[ 'id' ];
                }
                else {
                    if ( !empty( $field ) && 0 < $field ) {
                        $saved[ $field_data[ 'name' ] ] = true;
                        $saved_field_ids[] = $field;
                    }
                    else
                        $errors[] = sprintf( __( 'Cannot save the %s field', 'pods' ), $field_data[ 'name' ] );
                }
            }

            if ( true === $db ) {
                foreach ( $old_fields as $field ) {
                    if ( isset( $pod[ 'fields' ][ $field[ 'name' ] ] ) || isset( $saved[ $field[ 'name' ] ] ) || in_array( $field[ 'id' ], $saved_field_ids ) )
                        continue;

                    if ( $field[ 'id' ] == $field_index_id )
                        $field_index_change = 'id';
                    elseif ( $field[ 'name' ] == $field_index )
                        $field_index_change = 'id';

                    $this->delete_field( array(
                        'id' => (int) $field[ 'id' ],
                        'name' => $field[ 'name' ],
                        'pod' => $pod
                    ), $field_table_operation );
                }
            }

            // Update field index if the name has changed or the field has been removed
            if ( false !== $field_index_change && true === $db )
                update_post_meta( $pod[ 'id' ], 'pod_index', $field_index_change );
        }

        if ( !empty( $errors ) )
            return pods_error( $errors, $this );

        $this->cache_flush_pods( $pod );
        
		$refresh_pod = $this->load_pod( array( 'name' => $pod['name'] ), false );
        
		if ( $refresh_pod ) {
			$pod = $refresh_pod;
		}

		if ( 'post_type' == $pod['type'] ) {
			PodsMeta::$post_types[ $pod['id'] ] = $pod;
		} elseif ( 'taxonomy' == $pod['type'] ) {
			PodsMeta::$taxonomies[ $pod['id'] ] = $pod;
		} elseif ( 'media' == $pod['type'] ) {
			PodsMeta::$media[ $pod['id'] ] = $pod;
		} elseif ( 'user' == $pod['type'] ) {
			PodsMeta::$user[ $pod['id'] ] = $pod;
		} elseif ( 'comment' == $pod['type'] ) {
			PodsMeta::$comment[ $pod['id'] ] = $pod;
		}

        // Register Post Types / Taxonomies post-registration from PodsInit
        if ( !empty( PodsInit::$content_types_registered ) && in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && empty( $pod[ 'object' ] ) ) {

The property content_types_registered cannot be accessed from this context as it is declared private in class PodsInit.

            global $pods_init;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

            $pods_init->setup_content_types( true );
        }

        if ( true === $db )
            return $pod[ 'id' ];
        else
            return $pod;
    }

    /**
     * Add or edit a field within a Pod
     *
     * $params['id'] int Field ID (id OR pod_id+pod+name required)
     * $params['pod_id'] int Pod ID (id OR pod_id+pod+name required)
     * $params['pod'] string Pod name (id OR pod_id+pod+name required)
     * $params['name'] string Field name (id OR pod_id+pod+name required)
     * $params['label'] string (optional) Field label
     * $params['type'] string (optional) Field type (avatar, boolean, code, color, currency, date, datetime, email, file, number, paragraph, password, phone, pick, slug, text, time, website, wysiwyg)
     * $params['pick_object'] string (optional) Related Object (for relationships)
     * $params['pick_val'] string (optional) Related Object name (for relationships)
     * $params['sister_id'] int (optional) Related Field ID (for bidirectional relationships)
     * $params['weight'] int (optional) Order in which the field appears
     * $params['options'] array (optional) Options
     *
     * @param array $params An associative array of parameters
     * @param bool $table_operation (optional) Whether or not to handle table operations
     * @param bool $sanitized (optional) Decides wether the params have been sanitized before being passed, will sanitize them if false.
     * @param bool|int $db (optional) Whether to save into the DB or just return field array.
     *
     * @return int|array The field ID or field array (if !$db)
     * @since 1.7.9
     */
    public function save_field ( $params, $table_operation = true, $sanitized = false, $db = true ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        if ( true !== $db )
            $table_operation = false;

        $tableless_field_types = PodsForm::tableless_field_types();
        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $params = (object) $params;

        if ( false === $sanitized )
            $params = pods_sanitize( $params );

        if ( isset( $params->pod_id ) )
            $params->pod_id = pods_absint( $params->pod_id );

        if ( true !== $db )
            $params->pod_id = (int) $db;

        $pod = null;
        $save_pod = false;
        $id_required = false;

        if ( isset( $params->id_required ) ) {
            unset( $params->id_required );

            $id_required = true;
        }

        if ( ( !isset( $params->pod ) || empty( $params->pod ) ) && ( !isset( $params->pod_id ) || empty( $params->pod_id ) ) )
            return pods_error( __( 'Pod ID or name is required', 'pods' ), $this );

        if ( isset( $params->pod ) && is_array( $params->pod ) ) {
            $pod = $params->pod;

            $save_pod = true;
        }
        elseif ( ( !isset( $params->pod_id ) || empty( $params->pod_id ) ) && ( true === $db || 0 < $db ) )
            $pod = $this->load_pod( array( 'name' => $params->pod, 'table_info' => true ) );
        elseif ( !isset( $params->pod ) && ( true === $db || 0 < $db ) )
            $pod = $this->load_pod( array( 'id' => $params->pod_id, 'table_info' => true ) );
        elseif ( true === $db || 0 < $db )
            $pod = $this->load_pod( array( 'id' => $params->pod_id, 'name' => $params->pod, 'table_info' => true ) );

        if ( empty( $pod ) && true === $db )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $params->pod_id = $pod[ 'id' ];
        $params->pod = $pod[ 'name' ];
        $params->pod_data = $pod;

        $params->name = pods_clean_name( $params->name, true, ( 'meta' == $pod[ 'storage' ] ? false : true ) );

        if ( !isset( $params->id ) )
            $params->id = 0;

        if ( empty( $params->name ) )
            return pods_error( 'Pod field name is required', $this );

        $field = $this->load_field( $params );

        unset( $params->pod_data );

        $old_id = $old_name = $old_type = $old_definition = $old_simple = $old_options = $old_sister_id = null;

        if ( !empty( $field ) ) {
            $old_id = pods_var( 'id', $field );
            $old_name = pods_clean_name( $field[ 'name' ], true, ( 'meta' == $pod[ 'storage' ] ? false : true ) );
            $old_type = $field[ 'type' ];
            $old_options = $field[ 'options' ];
            $old_sister_id = (int) pods_var( 'sister_id', $old_options, 0 );

            $old_simple = ( 'pick' == $old_type && in_array( pods_var( 'pick_object', $field ), $simple_tableless_objects ) );

            if ( isset( $params->name ) && !empty( $params->name ) )
                $field[ 'name' ] = $params->name;

            if ( $old_name != $field[ 'name' ] && false !== $this->field_exists( $params ) )
                return pods_error( sprintf( __( 'Field %s already exists, you cannot rename %s to that', 'pods' ), $field[ 'name' ], $old_name ), $this );

            if ( ( $id_required || !empty( $params->id ) ) && ( empty( $old_id ) || $old_id != $params->id ) )
                return pods_error( sprintf( __( 'Field %s already exists', 'pods' ), $field[ 'name' ] ), $this );

            if ( empty( $params->id ) )
                $params->id = $old_id;

            if ( !in_array( $old_type, $tableless_field_types ) || $old_simple ) {
                $definition = $this->get_field_definition( $old_type, array_merge( $field, $old_options ) );

                if ( 0 < strlen( $definition ) )
                    $old_definition = "`{$old_name}` " . $definition;
            }
        }
        else {
            $field = array(
                'id' => 0,
                'pod_id' => $params->pod_id,
                'name' => $params->name,
                'label' => $params->name,
                'description' => '',
                'type' => 'text',
                'pick_object' => '',
                'pick_val' => '',
                'sister_id' => '',
                'weight' => null,
                'options' => array()
            );
        }

        // Setup options
        $options = get_object_vars( $params );

        $options_ignore = array(
            'method',
            'table_info',
            'attributes',
            'group',
            'grouped',
            'developer_mode',
            'dependency',
            'depends-on',
            'excludes-on'
        );

        foreach ( $options_ignore as $ignore ) {
            if ( isset( $options[ $ignore ] ) )
                unset( $options[ $ignore ] );
        }

        if ( isset( $options[ 'method' ] ) )
            unset( $options[ 'method' ] );
        elseif ( isset( $options[ 'table_info' ] ) )
            unset( $options[ 'table_info' ] );

        $exclude = array(
            'id',
            'pod_id',
            'pod',
            'name',
            'label',
            'description',
            'type',
            'pick_object',
            'pick_val',
            'sister_id',
            'weight',
            'options'
        );

        foreach ( $exclude as $k => $exclude_field ) {
            $aliases = array( $exclude_field );

            if ( is_array( $exclude_field ) ) {
                $aliases = array_merge( array( $k ), $exclude_field );
                $exclude_field = $k;
            }

            foreach ( $aliases as $alias ) {
                if ( isset( $options[ $alias ] ) ) {
                    $field[ $exclude_field ] = pods_trim( $options[ $alias ] );

                    unset( $options[ $alias ] );
                }
            }
        }

        if ( strlen( $field[ 'label' ] ) < 1 )
            $field[ 'label' ] = $field[ 'name' ];

        $field[ 'options' ][ 'type' ] = $field[ 'type' ];

        if ( in_array( $field[ 'options' ][ 'type' ], $tableless_field_types ) ) {
            // Clean up special drop-down in field editor and save out pick_val
            $field[ 'pick_object' ] = pods_var( 'pick_object', $field, '', null, true );

            if ( 0 === strpos( $field[ 'pick_object' ], 'pod-' ) ) {
                $field[ 'pick_val' ] = pods_str_replace( 'pod-', '', $field[ 'pick_object' ], 1 );
                $field[ 'pick_object' ] = 'pod';
            }
            elseif ( 0 === strpos( $field[ 'pick_object' ], 'post_type-' ) ) {
                $field[ 'pick_val' ] = pods_str_replace( 'post_type-', '', $field[ 'pick_object' ], 1 );
                $field[ 'pick_object' ] = 'post_type';
            }
            elseif ( 0 === strpos( $field[ 'pick_object' ], 'taxonomy-' ) ) {
                $field[ 'pick_val' ] = pods_str_replace( 'taxonomy-', '', $field[ 'pick_object' ], 1 );
                $field[ 'pick_object' ] = 'taxonomy';
            }
            elseif ( 'table' == $field[ 'pick_object' ] && 0 < strlen( pods_var_raw( 'pick_table', $field[ 'options' ] ) ) ) {
                $field[ 'pick_val' ] = $field[ 'options' ][ 'pick_table' ];
                $field[ 'pick_object' ] = 'table';
            }
            elseif ( false === strpos( $field[ 'pick_object' ], '-' ) && !in_array( $field[ 'pick_object' ], array( 'pod', 'post_type', 'taxonomy' ) ) ) {
                $field[ 'pick_val' ] = '';
			}
			elseif ( 'custom-simple' == $field[ 'pick_object' ] ) {
                $field[ 'pick_val' ] = '';
			}

            $field[ 'options' ][ 'pick_object' ] = $field[ 'pick_object' ];
            $field[ 'options' ][ 'pick_val' ] = $field[ 'pick_val' ];
            $field[ 'options' ][ 'sister_id' ] = pods_var( 'sister_id', $field );

            unset( $field[ 'pick_object' ] );
            unset( $field[ 'pick_val' ] );

            if ( isset( $field[ 'sister_id' ] ) )
                unset( $field[ 'sister_id' ] );
        }

        $field[ 'options' ] = array_merge( $field[ 'options' ], $options );

        $object_fields = (array) pods_var_raw( 'object_fields', $pod, array(), null, true );

        if ( 0 < $old_id && defined( 'PODS_FIELD_STRICT' ) && !PODS_FIELD_STRICT )
            $params->id = $field[ 'id' ] = $old_id;

        // Add new field
        if ( !isset( $params->id ) || empty( $params->id ) || empty( $field ) ) {
            if ( $table_operation && in_array( $field[ 'name' ], array( 'created', 'modified' ) ) && !in_array( $field[ 'type' ], array( 'date', 'datetime' ) ) && ( !defined( 'PODS_FIELD_STRICT' ) || PODS_FIELD_STRICT ) )
                return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );

            if ( $table_operation && 'author' == $field[ 'name' ] && 'pick' != $field[ 'type' ] && ( !defined( 'PODS_FIELD_STRICT' ) || PODS_FIELD_STRICT ) )
                return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );

            if ( in_array( $field[ 'name' ], array( 'id', 'ID' ) ) )
                return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );

            foreach ( $object_fields as $object_field => $object_field_opt ) {
                if ( $object_field == $field[ 'name' ] || in_array( $field[ 'name' ], $object_field_opt[ 'alias' ] ) )
                    return pods_error( sprintf( __( '%s is reserved for internal WordPress or Pods usage, please try a different name. Also consider what WordPress and Pods provide you built-in.', 'pods' ), $field[ 'name' ] ), $this );
            }

            if ( in_array( $field[ 'name' ], array( 'rss' ) ) ) // Reserved post_name values that can't be used as field names
                $field[ 'name' ] .= '2';

            if ( 'slug' == $field[ 'type' ] && true === $db ) {
                if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy', 'user' ) ) )
                    return pods_error( __( 'This pod already has an internal WordPress permalink field', 'pods' ), $this );

                $slug_field = get_posts( array(
                    'post_type' => '_pods_field',
                    'orderby' => 'menu_order',
                    'order' => 'ASC',
                    'posts_per_page' => 1,
                    'post_parent' => $field[ 'pod_id' ],
                    'meta_query' => array(
                        array(
                            'key' => 'type',
                            'value' => 'slug'
                        )
                    )
                ) );

                if ( !empty( $slug_field ) )
                    return pods_error( __( 'This pod already has a permalink field', 'pods' ), $this );
            }

            // Sink the new field to the bottom of the list
            if ( null === $field[ 'weight' ] ) {
                $field[ 'weight' ] = 0;

                $bottom_most_field = get_posts( array(
                    'post_type' => '_pods_field',
                    'orderby' => 'menu_order',
                    'order' => 'DESC',
                    'posts_per_page' => 1,
                    'post_parent' => $field[ 'pod_id' ]
                ) );

                if ( !empty( $bottom_most_field ) )
                    $field[ 'weight' ] = pods_absint( $bottom_most_field[ 0 ]->menu_order ) + 1;
            }

            $field[ 'weight' ] = pods_absint( $field[ 'weight' ] );

            $post_data = array(
                'post_name' => $field[ 'name' ],
                'post_title' => $field[ 'label' ],
                'post_content' => $field[ 'description' ],
                'post_type' => '_pods_field',
                'post_parent' => $field[ 'pod_id' ],
                'post_status' => 'publish',
                'menu_order' => $field[ 'weight' ]
            );
        }
        else {
            if ( in_array( $field[ 'name' ], array( 'id', 'ID' ) ) ) {
                if ( null !== $old_name )
                    return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );
                else
                    return pods_error( sprintf( __( '%s is not editable', 'pods' ), $field[ 'name' ] ), $this );
            }

            if ( null !== $old_name && $field[ 'name' ] != $old_name && in_array( $field[ 'name' ], array( 'created', 'modified' ) ) && !in_array( $field[ 'type' ], array( 'date', 'datetime' ) ) && ( !defined( 'PODS_FIELD_STRICT' ) || PODS_FIELD_STRICT ) )
                return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );

            if ( null !== $old_name && $field[ 'name' ] != $old_name && 'author' == $field[ 'name' ] && 'pick' != $field[ 'type' ] && ( !defined( 'PODS_FIELD_STRICT' ) || PODS_FIELD_STRICT ) )
                return pods_error( sprintf( __( '%s is reserved for internal Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );

            foreach ( $object_fields as $object_field => $object_field_opt ) {
                if ( $object_field != $field[ 'name' ] && !in_array( $field[ 'name' ], $object_field_opt[ 'alias' ] ) )
                    continue;

                if ( null !== $old_name )
                    return pods_error( sprintf( __( '%s is reserved for internal WordPress or Pods usage, please try a different name', 'pods' ), $field[ 'name' ] ), $this );
                else
                    return pods_error( sprintf( __( '%s is not editable', 'pods' ), $field[ 'name' ] ), $this );
            }

            $post_data = array(
                'ID' => $field[ 'id' ],
                'post_name' => $field[ 'name' ],
                'post_title' => $field[ 'label' ],
                'post_content' => $field[ 'description' ]
            );

            if ( null !== $field[ 'weight' ] ) {
                $field[ 'weight' ] = pods_absint( $field[ 'weight' ] );

                $post_data[ 'menu_order' ] = $field[ 'weight' ];
            }
        }

        if ( true === $db ) {
            if ( !has_filter( 'wp_unique_post_slug', array( $this, 'save_slug_fix' ) ) )
                add_filter( 'wp_unique_post_slug', array( $this, 'save_slug_fix' ), 100, 6 );

            $conflicted = false;

            // Headway compatibility fix
            if ( has_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 ) ) {
                remove_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 );

                $conflicted = true;
            }

            $params->id = $this->save_wp_object( 'post', $post_data, $field[ 'options' ], true, true );

            if ( $conflicted )
                add_filter( 'wp_insert_post_data', 'headway_clean_slug', 0 );

            if ( false === $params->id )
                return pods_error( __( 'Cannot save Field', 'pods' ), $this );
        }
        else
            $params->id = $field[ 'name' ];

        $field[ 'id' ] = $params->id;

        $simple = ( 'pick' == $field[ 'type' ] && in_array( pods_var( 'pick_object', $field[ 'options' ] ), $simple_tableless_objects ) );

        $definition = false;

        if ( !in_array( $field[ 'type' ], $tableless_field_types ) || $simple ) {
            $field_definition = $this->get_field_definition( $field[ 'type' ], array_merge( $field, $field[ 'options' ] ) );

            if ( 0 < strlen( $field_definition ) )
                $definition = '`' . $field[ 'name' ] . '` ' . $field_definition;
        }

        $sister_id = (int) pods_var( 'sister_id', $field[ 'options' ], 0 );

        if ( $table_operation && 'table' == $pod[ 'storage' ] && !pods_tableless() ) {
            if ( !empty( $old_id ) ) {
                if ( ( $field[ 'type' ] != $old_type || $old_simple != $simple ) && empty( $definition ) )
                    pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` DROP COLUMN `{$old_name}`", false );
                elseif ( 0 < strlen( $definition ) ) {
                    if ( $old_name != $field[ 'name' ] || $old_simple != $simple ) {
                        $test = false;

                        if ( 0 < strlen( $old_definition ) )
                            $test = pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` CHANGE `{$old_name}` {$definition}", false );

                        // If the old field doesn't exist, continue to add a new field
                        if ( false === $test )
                            pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` ADD COLUMN {$definition}", __( 'Cannot create new field', 'pods' ) );
                    }
                    elseif ( null !== $old_definition && $definition != $old_definition ) {
                        $test = pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` CHANGE `{$old_name}` {$definition}", false );

                        // If the old field doesn't exist, continue to add a new field
                        if ( false === $test )
                            pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` ADD COLUMN {$definition}", __( 'Cannot create new field', 'pods' ) );
                    }
                }
            }
            elseif ( 0 < strlen( $definition ) ) {
                $test = false;

                if ( 0 < strlen( $old_definition ) )
                    $test = pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` CHANGE `" . $field[ 'name' ] . "` {$definition}", false );

                // If the old field doesn't exist, continue to add a new field
                if ( false === $test )
                    pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` ADD COLUMN {$definition}", __( 'Cannot create new field', 'pods' ) );
            }
        }

        if ( !empty( $old_id ) && 'meta' == $pod[ 'storage' ] && $old_name != $field[ 'name' ] && $pod[ 'meta_table' ] != $pod[ 'table' ] ) {
            $prepare = array(
                $field[ 'name' ],
                $old_name
            );

            // Users don't have a type
            if ( !empty( $pod[ 'field_type' ] ) )
                $prepare[] = $pod[ 'name' ];

            pods_query( "
                UPDATE `{$pod[ 'meta_table' ]}` AS `m`
                LEFT JOIN `{$pod[ 'table' ]}` AS `t`
                    ON `t`.`{$pod[ 'field_id' ]}` = `m`.`{$pod[ 'meta_field_id' ]}`
                SET
                    `m`.`{$pod[ 'meta_field_index' ]}` = %s
                WHERE
                    `m`.`{$pod[ 'meta_field_index' ]}` = %s
            " . ( !empty( $pod[ 'field_type' ] ) ? " AND `t`.`{$pod[ 'field_type' ]}` = %s" : "" ),
                $prepare
            );
        }

        if ( $field[ 'type' ] != $old_type && in_array( $old_type, $tableless_field_types ) ) {
            delete_post_meta( $old_sister_id, 'sister_id' );

            if ( true === $db ) {
                pods_query( "
                        DELETE pm
                        FROM {$wpdb->postmeta} AS pm
                        LEFT JOIN {$wpdb->posts} AS p
                            ON p.post_type = '_pods_field'
                            AND p.ID = pm.post_id
                        WHERE
                            p.ID IS NOT NULL
                            AND pm.meta_key = 'sister_id'
                            AND pm.meta_value = %d
                    ", array(
                        $params->id
                    )
                );

                if ( !pods_tableless() ) {
                    pods_query( "DELETE FROM @wp_podsrel WHERE `field_id` = {$params->id}", false );

                    pods_query( "
                            UPDATE `@wp_podsrel`
                            SET `related_field_id` = 0
                            WHERE `field_id` = %d
                        ", array(
                            $old_sister_id
                        )
                    );
                }
            }
        }
        elseif ( 0 < $sister_id ) {
            update_post_meta( $sister_id, 'sister_id', $params->id );

            if ( true === $db && ( !pods_tableless() ) ) {
                pods_query( "
                        UPDATE `@wp_podsrel`
                        SET `related_field_id` = %d
                        WHERE `field_id` = %d
                    ",
                    array(
                        $params->id,
                        $sister_id
                    )
                );
            }
        }
        elseif ( 0 < $old_sister_id ) {
            delete_post_meta( $old_sister_id, 'sister_id' );

            if ( true === $db && ( !pods_tableless() ) ) {
                pods_query( "
                        UPDATE `@wp_podsrel`
                        SET `related_field_id` = 0
                        WHERE `field_id` = %d
                    ", array(
                        $old_sister_id
                    )
                );
            }
        }

        if ( !empty( $old_id ) && $old_name != $field[ 'name' ] && true === $db ) {
            pods_query( "
                    UPDATE `@wp_postmeta`
                    SET `meta_value` = %s
                    WHERE
                        `post_id` = %d
                        AND `meta_key` = 'pod_index'
                        AND `meta_value` = %s
                ", array(
                    $field[ 'name' ],
                    $pod[ 'id' ],
                    $old_name
                )
            );
        }

        if ( !$save_pod )
            $this->cache_flush_pods( $pod );
        else {
            pods_transient_clear( 'pods_field_' . $pod[ 'name' ] . '_' . $field[ 'name' ] );

            if ( !empty( $old_id ) && $old_name != $field[ 'name' ] )
                pods_transient_clear( 'pods_field_' . $pod[ 'name' ] . '_' . $old_name );
        }

        if ( true === $db )
            return $params->id;
        else
            return $field;
    }

    /**
     * Fix Pod / Field post_name to ensure they are exactly as saved (allow multiple posts w/ same post_name)
     *
     * @param string $slug Unique slug value
     * @param int $post_ID Post ID
     * @param string $post_status Post Status
     * @param string $post_type Post Type
     * @param int $post_parent Post Parent ID
     * @param string $original_slug Original slug value
     *
     * @return string Final slug value
     *
     * @since 2.3.3
     */
    public function save_slug_fix ( $slug, $post_ID, $post_status, $post_type, $post_parent = 0, $original_slug = null ) {
        if ( in_array( $post_type, array( '_pods_field', '_pods_pod' ) ) && false !== strpos( $slug, '-' ) )
            $slug = $original_slug;

        return $slug;
    }

    /**
     * Add or Edit a Pods Object
     *
     * $params['id'] int The Object ID
     * $params['name'] string The Object name
     * $params['type'] string The Object type
     * $params['options'] Associative array of Object options
     *
     * @param array|object $params An associative array of parameters
     * @param bool $sanitized (optional) Decides whether the params have been sanitized before being passed, will sanitize them if false.
     *
     * @return int The Object ID
     * @since 2.0
     */
    public function save_object ( $params, $sanitized = false ) {
        $params = (object) $params;

        if ( false === $sanitized )
            $params = pods_sanitize( $params );

        if ( !isset( $params->name ) || empty( $params->name ) )
            return pods_error( __( 'Name must be given to save an Object', 'pods' ), $this );

        if ( !isset( $params->type ) || empty( $params->type ) )
            return pods_error( __( 'Type must be given to save an Object', 'pods' ), $this );

        $object = array(
            'id' => 0,
            'name' => $params->name,
            'type' => $params->type,
            'code' => '',
            'options' => array()
        );

        // Setup options
        $options = get_object_vars( $params );

        if ( isset( $options[ 'method' ] ) )
            unset( $options[ 'method' ] );

        $exclude = array(
            'id',
            'name',
            'helper_type',
            'code',
            'options',
            'status'
        );

        foreach ( $exclude as $k => $exclude_field ) {
            $aliases = array( $exclude_field );

            if ( is_array( $exclude_field ) ) {
                $aliases = array_merge( array( $k ), $exclude_field );
                $exclude_field = $k;
            }

            foreach ( $aliases as $alias ) {
                if ( isset( $options[ $alias ] ) ) {
                    $object[ $exclude_field ] = pods_trim( $options[ $alias ] );

                    unset( $options[ $alias ] );
                }
            }
        }

        if ( 'helper' == $object[ 'type' ] )
            $object[ 'options' ][ 'helper_type' ] = $object[ 'helper_type' ];

        if ( isset( $object[ 'options' ][ 'code' ] ) )
            unset( $object[ 'options' ][ 'code' ] );

        $object[ 'options' ] = array_merge( $object[ 'options' ], $options );

        $post_data = array(
            'post_name' => pods_clean_name( $object[ 'name' ], true),
            'post_title' => $object[ 'name' ],
            'post_content' => $object[ 'code' ],
            'post_type' => '_pods_' . $object[ 'type' ],
            'post_status' => 'publish'
        );

        if ( !empty( $object[ 'id' ] ) )
            $post_data[ 'ID' ] = $object[ 'id' ];

        if ( null !== pods_var( 'status', $object, null, null, true ) )
            $post_data[ 'post_status' ] = pods_var( 'status', $object, null, null, true );

        remove_filter( 'content_save_pre', 'balanceTags', 50 );

        $post_data = pods_sanitize( $post_data );

        $params->id = $this->save_post( $post_data, $object[ 'options' ], true, true );

        pods_transient_clear( 'pods_objects_' . $params->type );
        pods_transient_clear( 'pods_objects_' . $params->type . '_get' );

        return $params->id;
    }

    /**
     * @see PodsAPI::save_object
     *
     * Add or edit a Pod Template
     *
     * $params['id'] int The template ID
     * $params['name'] string The template name
     * $params['code'] string The template code
     *
     * @param array|object $params An associative array of parameters
     * @param bool $sanitized  (optional) Decides wether the params have been sanitized before being passed, will sanitize them if false.
     *
     * @return int The Template ID
     *
     * @since 1.7.9
     */
    public function save_template ( $params, $sanitized = false ) {
        $params = (object) $params;

        $params->type = 'template';

        return $this->save_object( $params, $sanitized );
    }

    /**
     * @see PodsAPI::save_object
     *
     * Add or edit a Pod Page
     *
     * $params['id'] int The page ID
     * $params['name'] string The page URI
     * $params['code'] string The page code
     *
     * @param array|object $params An associative array of parameters
     * @param bool $sanitized  (optional) Decides wether the params have been sanitized before being passed, will sanitize them if false.
     *
     * @return int The page ID
     * @since 1.7.9
     */
    public function save_page ( $params, $sanitized = false ) {
        $params = (object) $params;

        if ( !isset( $params->name ) ) {
            $params->name = $params->uri;
            unset( $params->uri );
        }

        if ( isset( $params->phpcode ) ) {
            $params->code = $params->phpcode;
            unset( $params->phpcode );
        }

        $params->name = trim( $params->name, '/' );
        $params->type = 'page';

        return $this->save_object( $params, $sanitized );
    }

    /**
     * @see PodsAPI::save_object
     *
     * Add or edit a Pod Helper
     *
     * $params['id'] int The helper ID
     * $params['name'] string The helper name
     * $params['helper_type'] string The helper type ("pre_save", "display", etc)
     * $params['code'] string The helper code
     *
     * @param array $params An associative array of parameters
     * @param bool $sanitized  (optional) Decides wether the params have been sanitized before being passed, will sanitize them if false.
     *
     * @return int The helper ID
     * @since 1.7.9
     */
    public function save_helper ( $params, $sanitized = false ) {
        $params = (object) $params;

        if ( isset( $params->phpcode ) ) {
            $params->code = $params->phpcode;
            unset( $params->phpcode );
        }

        if ( isset( $params->type ) ) {
            $params->helper_type = $params->type;
            unset( $params->type );
        }

        $params->type = 'helper';

        return $this->save_object( $params, $sanitized );
    }

    /**
     * Add or edit a single pod item
     *
     * $params['pod'] string The Pod name (pod or pod_id is required)
     * $params['pod_id'] string The Pod ID (pod or pod_id is required)
     * $params['id'] int The item ID
     * $params['data'] array (optional) Associative array of field names + values
     * $params['bypass_helpers'] bool Set to true to bypass running pre-save and post-save helpers
	 * $params['track_changed_fields'] bool Set to true to enable tracking of saved fields via PodsAPI::get_changed_fields()
     *
     * @param array|object $params An associative array of parameters
     *
     * @return int The item ID
     *
     * @since 1.7.9
     */
    public function save_pod_item ( $params ) {

		global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        $params = (object) pods_str_replace( '@wp_', '{prefix}', $params );

        $tableless_field_types = PodsForm::tableless_field_types();
        $repeatable_field_types = PodsForm::repeatable_field_types();
        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        // @deprecated 2.0
        if ( isset( $params->datatype ) ) {
            pods_deprecated( '$params->pod instead of $params->datatype', '2.0' );

            $params->pod = $params->datatype;

            unset( $params->datatype );

            if ( isset( $params->pod_id ) ) {
                pods_deprecated( '$params->id instead of $params->pod_id', '2.0' );

                $params->id = $params->pod_id;

                unset( $params->pod_id );
            }

            if ( isset( $params->data ) && !empty( $params->data ) && is_array( $params->data ) ) {
                $check = current( $params->data );

                if ( is_array( $check ) ) {
                    pods_deprecated( 'PodsAPI::save_pod_items', '2.0' );

                    return $this->save_pod_items( $params, $params->data );
                }
            }
        }

        // @deprecated 2.0
        if ( isset( $params->tbl_row_id ) ) {
            pods_deprecated( '$params->id instead of $params->tbl_row_id', '2.0' );

            $params->id = $params->tbl_row_id;

            unset( $params->tbl_row_id );
        }

        // @deprecated 2.0
        if ( isset( $params->columns ) ) {
            pods_deprecated( '$params->data instead of $params->columns', '2.0' );

            $params->data = $params->columns;

            unset( $params->columns );
        }

        if ( !isset( $params->pod ) )
            $params->pod = false;
        if ( isset( $params->pod_id ) )
            $params->pod_id = pods_absint( $params->pod_id );
        else
            $params->pod_id = 0;

        if ( isset( $params->id ) )
            $params->id = pods_absint( $params->id );
        else
            $params->id = 0;

        if ( !isset( $params->from ) )
            $params->from = 'save';

        if ( !isset( $params->location ) )
            $params->location = null;

        if ( !isset( $params->track_changed_fields ) )
            $params->track_changed_fields = false;

		/**
		 * Override $params['track_changed_fields']
		 *
		 * Use for globally setting field change tracking.
		 *
		 * @param bool
		 *
		 * @since 2.3.19
		 */
		$track_changed_fields = apply_filters( 'pods_api_save_pod_item_track_changed_fields_' . $params->pod, (boolean) $params->track_changed_fields, $params );
		$changed_fields = array();

		if ( !isset( $params->clear_slug_cache ) ) {
			$params->clear_slug_cache = true;
		}

        // Support for bulk edit
        if ( isset( $params->id ) && !empty( $params->id ) && is_array( $params->id ) ) {
            $ids = array();
            $new_params = $params;

            foreach ( $params->id as $id ) {
                $new_params->id = $id;

                $ids[] = $this->save_pod_item( $new_params );
            }

            return $ids;
        }

        // Allow Helpers to know what's going on, are we adding or saving?
        $is_new_item = false;

        if ( empty( $params->id ) )
            $is_new_item = true;

        if ( isset( $params->is_new_item ) )
            $is_new_item = (boolean) $params->is_new_item;

        // Allow Helpers to bypass subsequent helpers in recursive save_pod_item calls
        $bypass_helpers = false;

        if ( isset( $params->bypass_helpers ) && false !== $params->bypass_helpers )
            $bypass_helpers = true;

        // Allow Custom Fields not defined by Pods to be saved
        $allow_custom_fields = false;

        if ( isset( $params->allow_custom_fields ) && false !== $params->allow_custom_fields )
            $allow_custom_fields = true;

        // Get array of Pods
        $pod = $this->load_pod( array( 'id' => $params->pod_id, 'name' => $params->pod, 'table_info' => true ) );

        if ( false === $pod )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $params->pod = $pod[ 'name' ];
        $params->pod_id = $pod[ 'id' ];

        if ( 'settings' == $pod[ 'type' ] )
            $params->id = $pod[ 'id' ];

        $fields = $pod[ 'fields' ];

        $object_fields = (array) pods_var_raw( 'object_fields', $pod, array(), null, true );

        $fields_active = array();
        $custom_data = array();

        // Find the active fields (loop through $params->data to retain order)
        if ( !empty( $params->data ) && is_array( $params->data ) ) {
            $custom_fields = array();

            foreach ( $params->data as $field => $value ) {
                if ( isset( $object_fields[ $field ] ) ) {
                    $object_fields[ $field ][ 'value' ] = $value;
                    $fields_active[] = $field;
                }
                elseif ( isset( $fields[ $field ] ) ) {
                    if ( 'save' == $params->from || true === PodsForm::permission( $fields[ $field ][ 'type' ], $field, $fields[ $field ], $fields, $pod, $params->id, $params ) ) {
                        $fields[ $field ][ 'value' ] = $value;
                        $fields_active[] = $field;
                    }
                    elseif ( !pods_has_permissions( $fields[ $field ][ 'options' ] ) && pods_var( 'hidden', $fields[ $field ][ 'options' ], false ) ) {
                        $fields[ $field ][ 'value' ] = $value;
                        $fields_active[] = $field;
                    }
                }
                else {
                    $found = false;

                    foreach ( $object_fields as $object_field => $object_field_opt ) {
                        if ( in_array( $field, $object_field_opt[ 'alias' ] ) ) {
                            $object_fields[ $object_field ][ 'value' ] = $value;
                            $fields_active[] = $object_field;

                            $found = true;

                            break;
                        }
                    }

                    if ( $allow_custom_fields && !$found )
                        $custom_fields[] = $field;
                }
            }

            if ( $allow_custom_fields && !empty( $custom_fields ) ) {
                foreach ( $custom_fields as $field ) {
                    $custom_data[ $field ] = $params->data[ $field ];
                }
            }

           unset( $params->data );
        }

		if ( empty( $params->id ) && !in_array( 'created', $fields_active ) && isset( $fields[ 'created' ] ) && in_array( $fields[ 'created' ][ 'type' ], array( 'date', 'datetime' ) ) ) {
			$fields[ 'created' ][ 'value' ] = current_time( 'mysql' );
			$fields_active[] = 'created';
		}

		if ( !in_array( 'modified', $fields_active ) && isset( $fields[ 'modified' ] ) && in_array( $fields[ 'modified' ][ 'type' ], array( 'date', 'datetime' ) ) ) {
			$fields[ 'modified' ][ 'value' ] = current_time( 'mysql' );
			$fields_active[] = 'modified';
		}

        if ( in_array( $pod[ 'type' ], array( 'pod', 'table' ) ) && empty( $params->id ) && !empty( $pod[ 'pod_field_index' ] ) && in_array( $pod[ 'pod_field_index' ], $fields_active ) && !in_array( $pod[ 'pod_field_slug' ], $fields_active ) && isset( $fields[ $pod[ 'pod_field_slug' ] ] ) ) {
			$fields[ $pod[ 'pod_field_slug' ] ][ 'value' ] = ''; // this will get picked up by slug pre_save method
			$fields_active[] = $pod[ 'pod_field_slug' ];
        }

        // Handle hidden fields
        if ( empty( $params->id ) ) {
            foreach ( $fields as $field => $field_data ) {
                if ( in_array( $field, $fields_active ) )
                    continue;

                if ( in_array( $params->from, array( 'save', 'process_form' ) ) || true === PodsForm::permission( $fields[ $field ][ 'type' ], $field, $fields[ $field ], $fields, $pod, $params->id, $params ) ) {
                    $value = PodsForm::default_value( pods_var_raw( $field, 'post' ), $field_data[ 'type' ], $field, pods_var_raw( 'options', $field_data, $field_data, null, true ), $pod, $params->id );

                    if ( null !== $value && '' !== $value && false !== $value ) {
                        $fields[ $field ][ 'value' ] = $value;
                        $fields_active[] = $field;
                    }
                }
            }

			// Set default field values for object fields
			if ( !empty( $object_fields ) ) {
				foreach ( $object_fields as $field => $field_data ) {
					if ( in_array( $field, $fields_active ) ) {
						continue;
					}
					elseif ( !isset( $field_data[ 'default' ] ) || strlen( $field_data[ 'default' ] ) < 1 ) {
						continue;
					}

                    $value = PodsForm::default_value( pods_var_raw( $field, 'post' ), $field_data[ 'type' ], $field, pods_var_raw( 'options', $field_data, $field_data, null, true ), $pod, $params->id );

                    if ( null !== $value && '' !== $value && false !== $value ) {
                        $object_fields[ $field ][ 'value' ] = $value;
                        $fields_active[] = $field;
                    }
				}
			}

			// Set default field values for Pod fields
			foreach ( $fields as $field => $field_data ) {
				if ( in_array( $field, $fields_active ) ) {
					continue;
				}
				elseif ( !isset( $field_data[ 'default' ] ) || strlen( $field_data[ 'default' ] ) < 1 ) {
					continue;
				}

				$value = PodsForm::default_value( pods_var_raw( $field, 'post' ), $field_data[ 'type' ], $field, pods_var_raw( 'options', $field_data, $field_data, null, true ), $pod, $params->id );

				if ( null !== $value && '' !== $value && false !== $value ) {
					$fields[ $field ][ 'value' ] = $value;
					$fields_active[] = $field;
				}
			}
        }

        $columns =& $fields; // @deprecated 2.0
        $active_columns =& $fields_active; // @deprecated 2.0
        $params->tbl_row_id =& $params->id; // @deprecated 2.0

        $pre_save_helpers = $post_save_helpers = array();

		$pieces = array(
			'fields',
			'params',
			'pod',
			'fields_active',
			'object_fields',
			'custom_fields',
			'custom_data',
			'track_changed_fields',
			'changed_fields'
		);

        if ( false === $bypass_helpers ) {
            // Plugin hooks
            $hooked = $this->do_hook( 'pre_save_pod_item', compact( $pieces ), $is_new_item, $params->id );

            if ( is_array( $hooked ) && !empty( $hooked ) )
                extract( $hooked );

            $hooked = $this->do_hook( "pre_save_pod_item_{$params->pod}", compact( $pieces ), $is_new_item, $params->id );

            if ( is_array( $hooked ) && !empty( $hooked ) )
                extract( $hooked );

            if ( $is_new_item ) {
                $hooked = $this->do_hook( 'pre_create_pod_item', compact( $pieces ) );

                if ( is_array( $hooked ) && !empty( $hooked ) )
                    extract( $hooked );

                $hooked = $this->do_hook( "pre_create_pod_item_{$params->pod}", compact( $pieces ) );

                if ( is_array( $hooked ) && !empty( $hooked ) )
                    extract( $hooked );
            }
            else {
                $hooked = $this->do_hook( 'pre_edit_pod_item', compact( $pieces ), $params->id );

                if ( is_array( $hooked ) && !empty( $hooked ) )
                    extract( $hooked );

                $hooked = $this->do_hook( "pre_edit_pod_item_{$params->pod}", compact( $pieces ), $params->id );

                if ( is_array( $hooked ) && !empty( $hooked ) )
                    extract( $hooked );
            }

            // Call any pre-save helpers (if not bypassed)
            if ( !defined( 'PODS_DISABLE_EVAL' ) || !PODS_DISABLE_EVAL ) {
                if ( !empty( $pod[ 'options' ] ) && is_array( $pod[ 'options' ] ) ) {
                    $helpers = array( 'pre_save_helpers', 'post_save_helpers' );

                    foreach ( $helpers as $helper ) {
                        if ( isset( $pod[ 'options' ][ $helper ] ) && !empty( $pod[ 'options' ][ $helper ] ) )

This if statement is empty and can be removed.

                            ${$helper} = explode( ',', $pod[ 'options' ][ $helper ] );
                    }
                }

                if ( !empty( $pre_save_helpers ) ) {
                    pods_deprecated( sprintf( __( 'Pre-save helpers are deprecated, use the action pods_pre_save_pod_item_%s instead', 'pods' ), $params->pod ), '2.0' );

                    foreach ( $pre_save_helpers as $helper ) {
                        $helper = $this->load_helper( array( 'name' => $helper ) );

                        if ( false !== $helper )
                            eval( '?>' . $helper[ 'code' ] );

It is generally not recommended to use eval unless absolutely required.

                    }
                }
            }
        }

		if ( $track_changed_fields ) {
			$changed_fields = $this->get_changed_fields( compact( $pieces ) );
		}

        $table_data = $table_formats = $update_values = $rel_fields = $rel_field_ids = array();

        $object_type = $pod[ 'type' ];

        $object_ID = 'ID';

        if ( 'comment' == $object_type )
            $object_ID = 'comment_ID';
        elseif ( 'taxonomy' == $object_type )
            $object_ID = 'term_id';

        $object_data = $object_meta = $post_term_data = array();

        if ( 'settings' == $object_type )
            $object_data[ 'option_id' ] = $pod[ 'name' ];
        elseif ( !empty( $params->id ) )
            $object_data[ $object_ID ] = $params->id;

        $fields_active = array_unique( $fields_active );

        // Loop through each active field, validating and preparing the table data
        foreach ( $fields_active as $field ) {
            if ( isset( $object_fields[ $field ] ) )
                $field_data = $object_fields[ $field ];
            elseif ( isset( $fields[ $field ] ) )
                $field_data = $fields[ $field ];
            else
                continue;

            $value = $field_data[ 'value' ];
            $type = $field_data[ 'type' ];
            $options = pods_var( 'options', $field_data, array() );

            // WPML AJAX compatibility
            if ( is_admin() && isset( $_GET[ 'page' ] ) && false !== strpos( $_GET[ 'page' ], '/menu/languages.php' ) && isset( $_POST[ 'icl_ajx_action' ] ) && isset( $_POST[ '_icl_nonce' ] ) && wp_verify_nonce( $_POST[ '_icl_nonce' ], $_POST[ 'icl_ajx_action' ] . '_nonce' ) )
                $options[ 'unique' ] = $fields[ $field ][ 'options' ][ 'unique' ] = $options[ 'required' ] = $fields[ $field ][ 'options' ][ 'required' ] = 0;
            else {
                // Validate value
                $validate = $this->handle_field_validation( $value, $field, $object_fields, $fields, $pod, $params );

                if ( false === $validate )
                    $validate = sprintf( __( 'There was an issue validating the field %s', 'pods' ), $field_data[ 'label' ] );
                elseif ( true !== $validate )
                    $validate = (array) $validate;

                if ( !is_bool( $validate ) && !empty( $validate ) )
                    return pods_error( $validate, $this );
            }

            $value = PodsForm::pre_save( $field_data[ 'type' ], $value, $params->id, $field, array_merge( $field_data, $options ), array_merge( $fields, $object_fields ), $pod, $params );

            $field_data[ 'value' ] = $value;

            if ( isset( $object_fields[ $field ] ) ) {
				if ( 'taxonomy' == $object_fields[ $field ][ 'type' ] ) {
					$post_term_data[ $field ] = $value;
				}
				else {
                	$object_data[ $field ] = $value;
				}
			}
            else {
                $simple = ( 'pick' == $type && in_array( pods_var( 'pick_object', $field_data ), $simple_tableless_objects ) );
                $simple = (boolean) $this->do_hook( 'tableless_custom', $simple, $field_data, $field, $fields, $pod, $params );

                // Handle Simple Relationships
                if ( $simple ) {
                    if ( !is_array( $value ) )
                        $value = explode( ',', $value );

                    $pick_limit = (int) pods_var_raw( 'pick_limit', $options, 0 );

                    if ( 'single' == pods_var_raw( 'pick_format_type', $options ) )
                        $pick_limit = 1;

                    if ( 'custom-simple' == pods_var( 'pick_object', $field_data ) ) {
                        $custom = pods_var_raw( 'pick_custom', $options, '' );

                        $custom = apply_filters( 'pods_form_ui_field_pick_custom_values', $custom, $field_data[ 'name' ], $value, array_merge( $field_data, $options ), $pod, $params->id );

                        if ( empty( $value ) || empty( $custom ) )
                            $value = '';
                        elseif ( !empty( $custom ) ) {
                            if ( !is_array( $custom ) ) {
                                $custom = explode( "\n", $custom );

                                $custom_values = array();

                                foreach ( $custom as $c => $cv ) {
                                    if ( 0 < strlen( $cv ) ) {
                                        $custom_label = explode( '|', $cv );

                                        if ( !isset( $custom_label[ 1 ] ) )
                                            $custom_label[ 1 ] = $custom_label[ 0 ];

                                        $custom_label[ 0 ] = trim( (string) $custom_label[ 0 ] );
                                        $custom_label[ 1 ] = trim( (string) $custom_label[ 1 ] );
                                        $custom_values[ $custom_label[ 0 ] ] = $custom_label[ 1 ];
                                    }
                                }
                            }
                            else
                                $custom_values = $custom;

                            $values = array();

                            foreach ( $value as $k => $v ) {
                                $v = pods_unsanitize( $v );

                                if ( isset( $custom_values[ $v ] ) )
                                    $values[ $k ] = $v;
                            }

                            $value = $values;
                        }
                    }

                    if ( 0 < $pick_limit && !empty( $value ) )
                        $value = array_slice( $value, 0, $pick_limit );

                    // Don't save an empty array, just make it an empty string
                    if ( empty( $value ) )
                        $value = '';
                    elseif ( is_array( $value ) ) {
                        // If there's just one item, don't save as an array, save the string
                        if ( 1 == $pick_limit || 1 == count( $value ) )
                            $value = implode( '', $value );
                        // If storage is set to table, json encode, otherwise WP will serialize automatically
                        elseif ( 'table' == pods_var( 'storage', $pod ) )
                            $value = version_compare( PHP_VERSION, '5.4.0', '>=' ) ? json_encode( $value, JSON_UNESCAPED_UNICODE ) : json_encode( $value );

The call to json_encode() has too many arguments starting with JSON_UNESCAPED_UNICODE.

                    }
                }

                // Prepare all table / meta data
                if ( !in_array( $type, $tableless_field_types ) || $simple ) {
                    if ( in_array( $type, $repeatable_field_types ) && 1 == pods_var( $type . '_repeatable', $field_data, 0 ) ) {
                        // Don't save an empty array, just make it an empty string
                        if ( empty( $value ) )
                            $value = '';
                        elseif ( is_array( $value ) ) {
                            // If there's just one item, don't save as an array, save the string
                            if ( 1 == count( $value ) )
                                $value = implode( '', $value );
                            // If storage is set to table, json encode, otherwise WP will serialize automatically
                            elseif ( 'table' == pods_var( 'storage', $pod ) )
                                $value = version_compare( PHP_VERSION, '5.4.0', '>=' ) ? json_encode( $value, JSON_UNESCAPED_UNICODE ) : json_encode( $value );

The call to json_encode() has too many arguments starting with JSON_UNESCAPED_UNICODE.

                        }
                    }

                    $table_data[ $field ] = str_replace( array( '{prefix}', '@wp_' ), array( '{/prefix/}', '{prefix}' ), $value ); // Fix for pods_query
                    $table_formats[] = PodsForm::prepare( $type, $options );

                    $object_meta[ $field ] = $value;
                }
                // Store relational field data to be looped through later
                else {
                    // Convert values from a comma-separated string into an array
                    if ( !is_array( $value ) )
                        $value = explode( ',', $value );

                    $rel_fields[ $type ][ $field ] = $value;
                    $rel_field_ids[] = $field_data[ 'id' ];
                }
            }
        }

        if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) ) {
            $object_name = $pod[ 'name' ];

            if ( !empty( $pod[ 'object' ] ) )
                $object_name = $pod[ 'object' ];

            $object_name_field = 'post_type';

            if ( 'taxonomy' == $pod['type'] ) {
                $object_name_field = 'taxonomy';
            }

            $object_data[ $object_name_field ] = $object_name;
        }

        if ( ( 'meta' == $pod[ 'storage' ] || 'settings' == $pod[ 'type' ] || ( 'taxonomy' == $pod[ 'type' ] && 'none' == $pod[ 'storage' ] ) ) && !in_array( $pod[ 'type' ], array( 'pod', 'table', '' ) ) ) {
            if ( $allow_custom_fields && !empty( $custom_data ) )
                $object_meta = array_merge( $custom_data, $object_meta );

			$fields_to_send = array_flip( array_keys( $object_meta ) );

			foreach ( $fields_to_send as $field => $field_data ) {
				if ( isset( $object_fields[ $field ] ) ) {
					$field_data = $object_fields[ $field ];
				}
				elseif ( isset( $fields[ $field ] ) ) {
					$field_data = $fields[ $field ];
				}
				else {
					unset( $fields_to_send[ $field ] );
				}

				$fields_to_send[ $field ] = $field_data;
			}

            $params->id = $this->save_wp_object( $object_type, $object_data, $object_meta, false, true, $fields_to_send );

            if ( !empty( $params->id ) && 'settings' == $object_type )
                $params->id = $pod[ 'id' ];
        }
        else {
            if ( ! in_array( $pod[ 'type' ], array( 'pod', 'table', '' ) ) ) {
                $params->id = $this->save_wp_object( $object_type, $object_data, array(), false, true );
            }

            if ( 'table' == $pod[ 'storage' ] ) {
                // Every row should have an id set here, otherwise Pods with nothing
                // but relationship fields won't get properly ID'd
                if ( empty( $params->id ) )
                    $params->id = 0;

                $table_data = array( 'id' => $params->id ) + $table_data;
                array_unshift( $table_formats, '%d' );

                if ( !empty( $table_data ) ) {
                    $sql = pods_data()->insert_on_duplicate( "@wp_pods_{$params->pod}", $table_data, $table_formats );

                    $id = pods_query( $sql, 'Cannot add/save table row' );

                    if ( empty( $params->id ) )
                        $params->id = $id;
                }
            }
        }

        $params->id = (int) $params->id;

		// Save terms for taxonomies associated to a post type
        if ( 0 < $params->id && 'post_type' == $pod[ 'type' ] && !empty( $post_term_data ) ) {
			foreach ( $post_term_data as $post_taxonomy => $post_terms ) {
                $post_terms = (array) $post_terms;

                foreach ( $post_terms as $k => $v ) {
                    if ( ! preg_match( '/[^0-9]/', $v ) ) {
                        $v = (int) $v;
                    }

                    $post_terms[ $k ] = $v;
                }

				wp_set_object_terms( $params->id, $post_terms, $post_taxonomy );
			}
		}

        $no_conflict = pods_no_conflict_check( $pod[ 'type' ] );

        if ( !$no_conflict )
            pods_no_conflict_on( $pod[ 'type' ] );

        // Save relationship / file data
        if ( !empty( $rel_fields ) ) {
            foreach ( $rel_fields as $type => $data ) {
                // Only handle tableless fields
                if ( !in_array( $type, $tableless_field_types ) ) {
                    continue;
				}

                foreach ( $data as $field => $values ) {
                    $pick_val = pods_var( 'pick_val', $fields[ $field ] );

                    if ( 'table' == pods_var( 'pick_object', $fields[ $field ] ) ) {
                        $pick_val = pods_var( 'pick_table', $fields[ $field ][ 'options' ], $pick_val, null, true );
					}

                    if ( '__current__' == $pick_val ) {
                        if ( is_object( $pod ) ) {
                            $pick_val = $pod->pod;
						}
                        elseif ( is_array( $pod ) ) {
                            $pick_val = $pod[ 'name' ];
						}
                        elseif ( 0 < strlen( $pod ) ) {
                            $pick_val = $pod;
						}
                    }

                    $fields[ $field ][ 'options' ][ 'table_info' ] = pods_api()->get_table_info( pods_var( 'pick_object', $fields[ $field ] ), $pick_val, null, null, $fields[ $field ][ 'options' ] );

                    if ( isset( $fields[ $field ][ 'options' ][ 'table_info' ][ 'pod' ] ) && !empty( $fields[ $field ][ 'options' ][ 'table_info' ][ 'pod' ] ) && isset( $fields[ $field ][ 'options' ][ 'table_info' ][ 'pod' ][ 'name' ] ) ) {
						$search_data = pods( $fields[ $field ][ 'options' ][ 'table_info' ][ 'pod' ][ 'name' ] );

						$data_mode = 'pods';
                    }
					else {
						$search_data = pods_data();
						$search_data->table( $fields[ $field ][ 'options' ][ 'table_info' ] );

						$data_mode = 'data';
					}

					$find_rel_params = array(
						'select' => "`t`.`{$search_data->field_id}`",
						'where' => "`t`.`{$search_data->field_slug}` = %s OR `t`.`{$search_data->field_index}` = %s",
						'limit' => 1,
						'pagination' => false,
						'search' => false
					);

					if ( empty( $search_data->field_slug ) && !empty( $search_data->field_index ) ) {
						$find_rel_params[ 'where' ] = "`t`.`{$search_data->field_index}` = %s";
					}
					elseif ( empty( $search_data->field_slug ) && empty( $search_data->field_index ) ) {
						$find_rel_params = false;
					}

                    $related_limit = (int) pods_var_raw( $type . '_limit', $fields[ $field ][ 'options' ], 0 );

                    if ( 'single' == pods_var_raw( $type . '_format_type', $fields[ $field ][ 'options' ] ) ) {
                        $related_limit = 1;
					}

                    // Enforce integers / unique values for IDs
                    $value_ids = array();

					$is_file_field = in_array( $type, PodsForm::file_field_types() );
					$is_taggable = ( in_array( $type, PodsForm::tableless_field_types() ) && 1 == pods_v( $type . '_taggable', $fields[ $field ][ 'options' ] ) );

					// @todo Handle simple relationships eventually
                    foreach ( $values as $v ) {
                        if ( !empty( $v ) ) {
							if ( !is_array( $v ) ) {
								if ( !preg_match( '/[^0-9]/', $v ) ) {
									$v = (int) $v;
								}
								// File handling
								elseif ( $is_file_field ) {
									// Get ID from GUID
									$v = pods_image_id_from_field( $v );

									// If file not found, add it
									if ( empty( $v ) ) {
										$v = pods_attachment_import( $v );
									}
								}
								// Reference by slug
								else {
									$v_data = false;

									if ( false !== $find_rel_params ) {
										$rel_params = $find_rel_params;
										$rel_params[ 'where' ] = $wpdb->prepare( $rel_params[ 'where' ], array( $v, $v ) );

										$search_data->select( $rel_params );

The method select does only exist in PodsData, but not in Pods.

										$v_data = $search_data->fetch( $v );
									}

									if ( !empty( $v_data ) && isset( $v_data[ $search_data->field_id ] ) ) {
										$v = (int) $v_data[ $search_data->field_id ];
									}
									// Allow tagging for Pods objects
									elseif ( $is_taggable && 'pods' == $data_mode ) {
										$tag_data = array(
											$search_data->field_index => $v
										);

										if ( 'post_type' == $search_data->pod_data[ 'type' ] ) {
											$tag_data[ 'post_status' ] = 'publish';
										}

										/**
										 * Filter for changing tag before adding new item.
										 *
										 * @param array $tag_data Fields for creating new item.
										 * @param int $v Field ID of tag.
										 * @param obj $search_data Search object for tag.
										 * @param string $field Table info for field.
										 * @param array	$pieces Field array.
										 *
										 * @since 2.3.19
										 */
										$tag_data = apply_filters( 'pods_api_save_pod_item_taggable_data', $tag_data, $v, $search_data, $field, compact( $pieces ) );

										// Save $v to a new item on related object
										$v = $search_data->add( $tag_data );

The method add does only exist in Pods, but not in PodsData.

										// @todo Support non-Pods for tagging
									}
								}
							}
							elseif ( $is_file_field && isset( $v[ 'id' ] ) ) {
								$v = (int) $v[ 'id' ];
							}
							else {
								continue;
							}

							if ( !empty( $v ) && !in_array( $v, $value_ids ) ) {
								$value_ids[] = $v;
							}
                        }
                    }

                    $value_ids = array_unique( array_filter( $value_ids ) );

                    // Limit values
                    if ( 0 < $related_limit && !empty( $value_ids ) )
                        $value_ids = array_slice( $value_ids, 0, $related_limit );

                    // Get current values
                    if ( 'pick' == $type && isset( PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ] ) && isset( PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ][ 'current_ids' ] ) )
                        $related_ids = PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ][ 'current_ids' ];
                    else
                        $related_ids = $this->lookup_related_items( $fields[ $field ][ 'id' ], $pod[ 'id' ], $params->id, $fields[ $field ], $pod );

                    // Get ids to remove
                    $remove_ids = array_diff( $related_ids, $value_ids );

                    // Delete relationships
                    if ( !empty( $remove_ids ) )
                        $this->delete_relationships( $params->id, $remove_ids, $pod, $fields[ $field ] );

                    // Save relationships
                    if ( !empty( $value_ids ) )
                        $this->save_relationships( $params->id, $value_ids, $pod, $fields[ $field ] );

                    // Run save function for field type (where needed)
                    PodsForm::save( $type, $values, $params->id, $field, array_merge( $fields[ $field ], $fields[ $field ][ 'options' ] ), array_merge( $fields, $object_fields ), $pod, $params );
                }

                // Unset data no longer needed
                if ( 'pick' == $type ) {
                    foreach ( $data as $field => $values ) {
                        if ( isset( PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ] ) ) {
                            unset( PodsField_Pick::$related_data[ PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ][ 'related_field' ][ 'id' ] ] );
                            unset( PodsField_Pick::$related_data[ $fields[ $field ][ 'id' ] ] );
                        }
                    }
                }
            }
        }

        if ( !$no_conflict )
            pods_no_conflict_off( $pod[ 'type' ] );

        if ( false === $bypass_helpers ) {
            $pieces = compact( $pieces );

            // Plugin hooks
            $this->do_hook( 'post_save_pod_item', $pieces, $is_new_item, $params->id );
            $this->do_hook( "post_save_pod_item_{$params->pod}", $pieces, $is_new_item, $params->id );

            if ( $is_new_item ) {
                $this->do_hook( 'post_create_pod_item', $pieces, $params->id );
                $this->do_hook( "post_create_pod_item_{$params->pod}", $pieces, $params->id );
            }
            else {
                $this->do_hook( 'post_edit_pod_item', $pieces, $params->id );
                $this->do_hook( "post_edit_pod_item_{$params->pod}", $pieces, $params->id );
            }

            // Call any post-save helpers (if not bypassed)
            if ( !defined( 'PODS_DISABLE_EVAL' ) || !PODS_DISABLE_EVAL ) {
                if ( !empty( $post_save_helpers ) ) {
                    pods_deprecated( sprintf( __( 'Post-save helpers are deprecated, use the action pods_post_save_pod_item_%s instead', 'pods' ), $params->pod ), '2.0' );

                    foreach ( $post_save_helpers as $helper ) {
                        $helper = $this->load_helper( array( 'name' => $helper ) );

                        if ( false !== $helper && ( !defined( 'PODS_DISABLE_EVAL' ) || !PODS_DISABLE_EVAL ) )
                            eval( '?>' . $helper[ 'code' ] );

It is generally not recommended to use eval unless absolutely required.

                    }
                }
            }
        }

        // Clear cache
        pods_cache_clear( $params->id, 'pods_items_' . $pod[ 'name' ] );

		if ( $params->clear_slug_cache && !empty( $pod[ 'field_slug' ] ) ) {
			$slug = pods( $pod[ 'name' ], $params->id )->field( $pod[ 'field_slug' ] );

			if ( 0 < strlen( $slug ) ) {
        		pods_cache_clear( $slug, 'pods_items_' . $pod[ 'name' ] );
			}
		}

        // Clear WP meta cache
        if ( in_array( $pod[ 'type' ], array( 'post_type', 'media', 'taxonomy', 'user', 'comment' ) ) ) {
            $meta_type = $pod[ 'type' ];

            if ( 'post_type' == $meta_type )
                $meta_type = 'post';

            wp_cache_delete( $params->id, $meta_type . '_meta' );
            wp_cache_delete( $params->id, 'pods_' . $meta_type . '_meta' );
        }

        // Success! Return the id
        return $params->id;

    }

    /**
     * @see PodsAPI::save_pod_item
     * Add multiple pod items
     *
     * $params['pod'] string The Pod name (pod or pod_id is required)
     * $params['pod_id'] string The Pod ID (pod or pod_id is required)
     * $params['bypass_helpers'] bool Set to true to bypass running pre-save and post-save helpers
     *
     * $data['id'] int The item ID (optional)
     * $data['data'] array An associative array of field names + values
     *
     * @param array|object $params An associative array of parameters, data excluded
     * @param array $data An associative array of pod ids and field names + values (arrays of field data)
     *
     * @return int The item ID
     * @since 2.0
     */
    public function save_pod_items ( $params, $data ) {
        $params = (object) $params;

        $ids = array();

        foreach ( $data as $fields ) {
            $params->data = $fields;

            if ( isset( $fields[ 'id' ] ) && isset( $fields[ 'data' ] ) ) {
                $params->id = $fields[ 'id' ];
                $params->data = $fields[ 'data' ];
            }

            $ids[] = $this->save_pod_item( $params );
        }

        return $ids;
    }

	/**
	 * Get the fields that have changed during a save
	 *
	 * @param array $pieces Pieces array from save_pod_item
	 *
	 * @return array Array of fields and values that have changed
	 */
	public function get_changed_fields( $pieces ) {

		$fields = $pieces[ 'fields' ];
		$fields_active = $pieces[ 'fields_active' ];

		$fields_changed = array();

		if ( 0 < $pieces[ 'params' ]->id ) {
			$pod = pods( $pieces[ 'params' ]->pod, $pieces[ 'params' ]->id );

			foreach ( $fields_active as $field ) {
				if ( isset( $fields[ $field ] ) && $pod->raw( $field ) != $fields[ $field ][ 'value' ] ) {
					$fields_changed[ $field ] = $fields[ $field ][ 'value' ];
				}
			}
		}

		return $fields_changed;

	}

    /**
     * Save relationships
     *
     * @param int $id ID of item
     * @param int|array $related_id ID or IDs to save

There is no parameter named $related_id. Did you maybe mean $related_ids?

     * @param array $pod Pod data
     * @param array $field Field data
     */
    public function save_relationships ( $id, $related_ids, $pod, $field ) {
        // Get current values
        if ( 'pick' == $field[ 'type' ] && isset( PodsField_Pick::$related_data[ $field[ 'id' ] ] ) && isset( PodsField_Pick::$related_data[ $field[ 'id' ] ][ 'current_ids' ] ) )
            $current_ids = PodsField_Pick::$related_data[ $field[ 'id' ] ][ 'current_ids' ];
        else
            $current_ids = $this->lookup_related_items( $field[ 'id' ], $pod[ 'id' ], $id, $field, $pod );

        if ( !is_array( $related_ids ) )
            $related_ids = implode( ',', $related_ids );

        foreach ( $related_ids as $k => $related_id ) {

The expression $related_ids of type string|array is not guaranteed to be traversable. How about adding an additional type check?

            $related_ids[ $k ] = (int) $related_id;
        }

        $related_ids = array_unique( array_filter( $related_ids ) );

        $related_limit = (int) pods_var_raw( $field[ 'type' ] . '_limit', $field[ 'options' ], 0 );

        if ( 'single' == pods_var_raw( $field[ 'type' ] . '_format_type', $field[ 'options' ] ) )
            $related_limit = 1;

        // Limit values
        if ( 0 < $related_limit && !empty( $related_ids ) )
            $related_ids = array_slice( $related_ids, 0, $related_limit );

        // Post Types, Media, Users, and Comments (meta-based)
        if ( in_array( $pod[ 'type' ], array( 'post_type', 'media', 'taxonomy', 'user', 'comment' ) ) ) {
            $object_type = $pod[ 'type' ];

            if ( in_array( $object_type, array( 'post_type', 'media' ) ) )
                $object_type = 'post';
            elseif ( 'taxonomy' == $object_type )
                $object_type = 'term';

            delete_metadata( $object_type, $id, $field[ 'name' ] );

            if ( !empty( $related_ids ) ) {
                update_metadata( $object_type, $id, '_pods_' . $field[ 'name' ], $related_ids );

                foreach ( $related_ids as $related_id ) {
                    add_metadata( $object_type, $id, $field[ 'name' ], $related_id );
                }
            }
            else
                delete_metadata( $object_type, $id, '_pods_' . $field[ 'name' ] );
        }
        // Custom Settings Pages (options-based)
        elseif ( 'settings' == $pod[ 'type' ] ) {
            if ( !empty( $related_ids ) )
                update_option( $pod[ 'name' ] . '_' . $field[ 'name' ], $related_ids );
            else
                delete_option( $pod[ 'name' ] . '_' . $field[ 'name' ] );
        }

        $related_pod_id = $related_field_id = 0;

        if ( 'pick' == $field[ 'type' ] && isset( PodsField_Pick::$related_data[ $field[ 'id' ] ] ) && !empty( PodsField_Pick::$related_data[ $field[ 'id' ] ][ 'related_field' ] ) ) {
            $related_pod_id = PodsField_Pick::$related_data[ $field[ 'id' ] ][ 'related_pod' ][ 'id' ];
            $related_field_id = PodsField_Pick::$related_data[ $field[ 'id' ] ][ 'related_field' ][ 'id' ];
        }

        // Relationships table
        if ( !pods_tableless() ) {
            $related_weight = 0;

            foreach ( $related_ids as $related_id ) {
                if ( in_array( $related_id, $current_ids ) ) {
                    pods_query( "
                        UPDATE `@wp_podsrel`
                        SET
                            `pod_id` = %d,
                            `field_id` = %d,
                            `item_id` = %d,
                            `related_pod_id` = %d,
                            `related_field_id` = %d,
                            `related_item_id` = %d,
                            `weight` = %d
                        WHERE
                            `pod_id` = %d
                            AND `field_id` = %d
                            AND `item_id` = %d
                            AND `related_item_id` = %d
                    ", array(
                        $pod[ 'id' ],
                        $field[ 'id' ],
                        $id,
                        $related_pod_id,
                        $related_field_id,
                        $related_id,
                        $related_weight,

                        $pod[ 'id' ],
                        $field[ 'id' ],
                        $id,
                        $related_id,
                    ) );
                }
                else {
                    pods_query( "
                        INSERT INTO `@wp_podsrel`
                            (
                                `pod_id`,
                                `field_id`,
                                `item_id`,
                                `related_pod_id`,
                                `related_field_id`,
                                `related_item_id`,
                                `weight`
                            )
                        VALUES ( %d, %d, %d, %d, %d, %d, %d )
                    ", array(
                        $pod[ 'id' ],
                        $field[ 'id' ],
                        $id,
                        $related_pod_id,
                        $related_field_id,
                        $related_id,
                        $related_weight
                    ) );
                }

                $related_weight++;
            }
        }
    }

    /**
     * Duplicate a Pod
     *
     * $params['id'] int The Pod ID
     * $params['name'] string The Pod name
     * $params['new_name'] string The new Pod name
     *
     * @param array $params An associative array of parameters
     * @param bool $strict (optional) Makes sure a pod exists, if it doesn't throws an error
     *
     * @return int New Pod ID
     * @since 2.3
     */
    public function duplicate_pod ( $params, $strict = false ) {
        if ( !is_object( $params ) && !is_array( $params ) ) {
            if ( is_numeric( $params ) )
                $params = array( 'id' => $params );
            else
                $params = array( 'name' => $params );

            $params = (object) pods_sanitize( $params );
        }
        else
            $params = (object) pods_sanitize( $params );

        $params->table_info = false;

        $pod = $this->load_pod( $params, $strict );

        if ( empty( $pod ) ) {
            if ( false !== $strict )
                return pods_error( __( 'Pod not found', 'pods' ), $this );

            return false;
        }
        elseif ( in_array( $pod[ 'type' ], array( 'media', 'user', 'comment' ) ) ) {
            if ( false !== $strict )
                return pods_error( __( 'Pod not allowed to be duplicated', 'pods' ), $this );

            return false;
        }
        elseif ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && 0 < strlen( $pod[ 'object' ] ) ) {
			$pod[ 'object' ] = '';
        }

        unset( $pod[ 'id' ] );

        if ( isset( $params->new_name ) )
            $pod[ 'name' ] = $params->new_name;

        $try = 1;

        $check_name = $pod[ 'name' ];
        $new_label = $pod[ 'label' ];

        while ( $this->load_pod( array( 'name' => $check_name, 'table_info' => false ), false ) ) {
            $try++;

            $check_name = $pod[ 'name' ] . $try;
            $new_label = $pod[ 'label' ] . $try;
        }

        $pod[ 'name' ] = $check_name;
        $pod[ 'label' ] = $new_label;

        foreach ( $pod[ 'fields' ] as $field => $field_data ) {
            unset( $pod[ 'fields' ][ $field ][ 'id' ] );
        }

        return $this->save_pod( $pod );
    }

    /**
     * Duplicate a Field
     *
     * $params['pod_id'] int The Pod ID
     * $params['pod'] string The Pod name
     * $params['id'] int The Field ID
     * $params['name'] string The Field name
     * $params['new_name'] string The new Field name
     *
     * @param array $params An associative array of parameters
     * @param bool $strict (optional) Makes sure a field exists, if it doesn't throws an error
     *
     * @return int New Field ID
     * @since 2.3.10
     */
	public function duplicate_field( $params, $strict = false ) {

		if ( !is_object( $params ) && !is_array( $params ) ) {
			if ( is_numeric( $params ) ) {
				$params = array( 'id' => $params );
			}
			else {
				$params = array( 'name' => $params );
			}
		}

		$params = (object) pods_sanitize( $params );

		$params->table_info = false;

		$field = $this->load_field( $params, $strict );

		if ( empty( $field ) ) {
			if ( false !== $strict ) {
				return pods_error( __( 'Field not found', 'pods' ), $this );
			}

			return false;
		}

		unset( $field[ 'id' ] );

		if ( isset( $params->new_name ) ) {
			$field[ 'name' ] = $params->new_name;
		}

		$try = 1;

		$check_name = $field[ 'name' ];
		$new_label = $field[ 'label' ];

		while ( $this->load_field( array( 'pod_id' => $field[ 'pod_id' ], 'name' => $check_name, 'table_info' => false ), false ) ) {
			$try++;

			$check_name = $field[ 'name' ] . $try;
			$new_label = $field[ 'label' ] . $try;
		}

		$field[ 'name' ] = $check_name;
		$field[ 'label' ] = $new_label;

		return $this->save_field( $field );

	}

    /**
     * @see PodsAPI::save_pod_item
     *
     * Duplicate a pod item
     *
     * $params['pod'] string The Pod name
     * $params['id'] int The item's ID from the wp_pods_* table
     *
     * @param array $params An associative array of parameters
     *
     * @return int The table row ID
     * @since 1.12
     */
    public function duplicate_pod_item ( $params ) {
        $params = (object) pods_sanitize( $params );

        $pod = $this->load_pod( array( 'name' => $params->pod, 'table_info' => false ) );

        if ( false === $pod )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $pod = pods( $params->pod, $params->id );

        $params->pod = $pod->pod;
        $params->pod_id = $pod->pod_id;

        $fields = (array) pods_var_raw( 'fields', $pod->pod_data, array(), null, true );
        $object_fields = (array) pods_var_raw( 'object_fields', $pod->pod_data, array(), null, true );

        if ( !empty( $object_fields ) )
            $fields = array_merge( $object_fields, $fields );

        $save_params = array(
            'pod' => $params->pod,
            'data' => array()
        );

        foreach ( $fields as $field ) {
            $value = $pod->field( array( 'name' => $field[ 'name' ], 'output' => 'ids' ) );

            if ( !empty( $value ) || ( !is_array( $value ) && 0 < strlen( $value ) ) )
                $save_params[ 'data' ][ $field[ 'name' ] ] = $value;
        }

        $save_params = $this->do_hook( 'duplicate_pod_item', $save_params, $pod->pod, $pod->id(), $params );

        $id = $this->save_pod_item( $save_params );

        return $id;
    }

    /**
     * @see pods()
     *
     * Export a pod item
     *
     * $params['pod'] string The Pod name
     * $params['id'] int The item's ID from the wp_pods_* table
     * $params['fields'] array The fields to export
     * $params['depth'] int How many levels deep to export data
     *
     * @param array $params An associative array of parameters
     * @param object $pod (optional) Pods object
     *
     * @return int The table row ID
     * @since 1.12
     */
    public function export_pod_item ( $params, $pod = null ) {
        if ( !is_object( $pod ) || 'Pods' != get_class( $pod ) ) {
            if ( empty( $params ) )
                return false;

            $params = (object) pods_sanitize( $params );

            $pod = pods( $params->pod, $params->id, false );

            if ( empty( $pod ) )
                return false;
        }

        $fields = (array) pods_var_raw( 'fields', $params, array(), null, true );
        $depth = (int) pods_var_raw( 'depth', $params, 2, null, true );
        $object_fields = (array) pods_var_raw( 'object_fields', $pod->pod_data, array(), null, true );
        $flatten = (boolean) pods_var( 'flatten', $params, false, null, true );

        if ( empty( $fields ) ) {
            $fields = $pod->fields;
            $fields = array_merge( $fields, $object_fields );
        }

        $data = $this->export_pod_item_level( $pod, $fields, $depth, $flatten );

        $data = $this->do_hook( 'export_pod_item', $data, $pod->pod, $pod->id(), $pod, $fields, $depth, $flatten );

        return $data;
    }

    /**
     * Export a pod item by depth level
     *
     * @param Pods $pod Pods object
     * @param array $fields Fields to export
     * @param int $depth Depth limit
     * @param boolean $flatten Whether to flatten arrays for display
     * @param int $current_depth Current depth level
     *
     * @return array Data array
     *
     * @since 2.3
     */
    private function export_pod_item_level ( $pod, $fields, $depth, $flatten = false, $current_depth = 1 ) {
        $tableless_field_types = PodsForm::tableless_field_types();
        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $object_fields = (array) pods_var_raw( 'object_fields', $pod->pod_data, array(), null, true );

        $export_fields = array();

        foreach ( $fields as $k => $field ) {
            if ( !is_array( $field ) ) {
                $field = array(
                    'id' => 0,
                    'name' => $field
                );
            }

            if ( isset( $pod->fields[ $field[ 'name' ] ] ) ) {
                $field = $pod->fields[ $field[ 'name' ] ];
                $field[ 'lookup_name' ] = $field[ 'name' ];

                if ( in_array( $field[ 'type' ], $tableless_field_types ) && !in_array( pods_var( 'pick_object', $field ), $simple_tableless_objects ) ) {
                    if ( 'pick' == $field[ 'type' ] ) {
                        if ( empty( $field[ 'table_info' ] ) )
                            $field[ 'table_info' ] = $this->get_table_info( pods_var_raw( 'pick_object', $field ), pods_var_raw( 'pick_val', $field ), null, null, $field );

                        if ( !empty( $field[ 'table_info' ] ) )
                            $field[ 'lookup_name' ] .= '.' . $field[ 'table_info' ][ 'field_id' ];
                    }
                    elseif ( in_array( $field[ 'type' ], PodsForm::file_field_types() ) )
                        $field[ 'lookup_name' ] .= '.guid';
                }

                $export_fields[ $field[ 'name' ] ] = $field;
            }
            elseif ( isset( $object_fields[ $field[ 'name' ] ] ) ) {
                $field = $object_fields[ $field[ 'name' ] ];
                $field[ 'lookup_name' ] = $field[ 'name' ];

                $export_fields[ $field[ 'name' ] ] = $field;
            }
            elseif ( $field[ 'name' ] == $pod->pod_data[ 'field_id' ] ) {
                $field[ 'type' ] = 'number';
                $field[ 'lookup_name' ] = $field[ 'name' ];

                $export_fields[ $field[ 'name' ] ] = $field;
            }
        }

        $data = array();

        foreach ( $export_fields as $field ) {
            // Return IDs (or guid for files) if only one level deep
            if ( 1 == $depth )
                $data[ $field[ 'name' ] ] = $pod->field( array( 'name' => $field[ 'lookup_name' ], 'output' => 'arrays' ) );
            // Recurse depth levels for pick fields if $depth allows
            elseif ( ( -1 == $depth || $current_depth < $depth ) && 'pick' == $field[ 'type' ] && !in_array( pods_var( 'pick_object', $field ), $simple_tableless_objects ) ) {
                $related_data = array();

                $related_ids = $pod->field( array( 'name' => $field[ 'name' ], 'output' => 'ids' ) );

                if ( !empty( $related_ids ) ) {
                    $related_ids = (array) $related_ids;

                    $pick_object = pods_var_raw( 'pick_object', $field );

                    $related_pod = pods( pods_var_raw( 'pick_val', $field ), null, false );

                    // If this isn't a Pod, return data exactly as Pods does normally
                    if ( empty( $related_pod ) || ( 'pod' != $pick_object && $pick_object != $related_pod->pod_data[ 'type' ] ) || $related_pod->pod == $pod->pod )
                        $related_data = $pod->field( array( 'name' => $field[ 'name' ], 'output' => 'arrays' ) );
                    else {
                        $related_object_fields = (array) pods_var_raw( 'object_fields', $related_pod->pod_data, array(), null, true );

                        $related_fields = array_merge( $related_pod->fields, $related_object_fields );

                        foreach ( $related_ids as $related_id ) {
                            if ( $related_pod->fetch( $related_id ) ) {
                                $related_item = $this->export_pod_item_level( $related_pod, $related_fields, $depth, $flatten, ( $current_depth + 1 ) );

                                $related_data[ $related_id ] = $this->do_hook( 'export_pod_item_level', $related_item, $related_pod->pod, $related_pod->id(), $related_pod, $related_fields, $depth, $flatten, ( $current_depth + 1 ) );
                            }
                        }

                        if ( $flatten && !empty( $related_data ) )
                            $related_data = pods_serial_comma( array_values( $related_data ), array( 'and' => '', 'field_index' => $related_pod->pod_data[ 'field_index' ] ) );
                    }
                }

                $data[ $field[ 'name' ] ] = $related_data;
            }
            // Return data exactly as Pods does normally
            else
                $data[ $field[ 'name' ] ] = $pod->field( array( 'name' => $field[ 'name' ], 'output' => 'arrays' ) );

            if ( $flatten && is_array( $data[ $field[ 'name' ] ] ) )
                $data[ $field[ 'name' ] ] = pods_serial_comma( $data[ $field[ 'name' ] ], array( 'field' => $field[ 'name' ], 'fields' => $export_fields, 'and' => '' ) );
        }

	$data[ 'id' ] = (int) $pod->id();
        return $data;
    }

    /**
     * Reorder a Pod
     *
     * $params['pod'] string The Pod name
     * $params['field'] string The field name of the field to reorder
     * $params['order'] array The key => value array of items to reorder (key should be an integer)
     *
     * @param array $params An associative array of parameters
     *
     * @return bool
     *
     * @since 1.9.0
     */
    public function reorder_pod_item ( $params ) {
        $params = (object) pods_sanitize( $params );

        // @deprecated 2.0
        if ( isset( $params->datatype ) ) {
            pods_deprecated( __( '$params->pod instead of $params->datatype', 'pods' ), '2.0' );

            $params->pod = $params->datatype;

            unset( $params->datatype );
        }

        if ( null === pods_var_raw( 'pod', $params, null, null, true ) )
            return pods_error( __( '$params->pod is required', 'pods' ), $this );

        if ( !is_array( $params->order ) )
            $params->order = explode( ',', $params->order );

        $pod = $this->load_pod( array( 'name' => $params->pod, 'table_info' => true ) );

        $params->name = $pod[ 'name' ];

        if ( false === $pod )
            return pods_error( __( 'Pod is required', 'pods' ), $this );

        foreach ( $params->order as $order => $id ) {
            if ( isset( $pod[ 'fields' ][ $params->field ] ) || isset( $pod[ 'object_fields' ][ $params->field ] ) ) {
                if ( 'table' == $pod[ 'storage' ] && ( !pods_tableless() ) ) {
                    if ( isset( $pod[ 'fields' ][ $params->field ] ) )
                        pods_query( "UPDATE `@wp_pods_{$params->name}` SET `{$params->field}` = " . pods_absint( $order ) . " WHERE `id` = " . pods_absint( $id ) . " LIMIT 1" );
                    else
                        pods_query( "UPDATE `{$pod['table']}` SET `{$params->field}` = " . pods_absint( $order ) . " WHERE `{$pod['field_id']}` = " . pods_absint( $id ) . " LIMIT 1" );
                }
                else
                    $this->save_pod_item( array( 'pod' => $params->pod, 'pod_id' => $params->pod_id, 'id' => $id, 'data' => array( $params->field => pods_absint( $order ) ) ) );
            }
        }

        return true;
    }

    /**
     *
     * Delete all content for a Pod
     *
     * $params['id'] int The Pod ID
     * $params['name'] string The Pod name
     *
     * @param array $params An associative array of parameters
     * @param array $pod Pod data
     *
     * @return bool
     *
     * @uses pods_query
     * @uses pods_cache_clear
     *
     * @since 1.9.0
     */
    public function reset_pod ( $params, $pod = false ) {
        $params = (object) pods_sanitize( $params );

        $params->table_info = true;

        if ( empty( $pod ) )
            $pod = $this->load_pod( $params );

        if ( false === $pod )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $params->id = $pod[ 'id' ];
        $params->name = $pod[ 'name' ];

        if ( !pods_tableless() ) {
            if ( 'table' == $pod[ 'storage' ] ) {
                try {
                    pods_query( "TRUNCATE `@wp_pods_{$params->name}`", false );
                }
                catch ( Exception $e ) {
                    // Allow pod to be reset if the table doesn't exist
                    if ( false === strpos( $e->getMessage(), 'Unknown table' ) )
                        return pods_error( $e->getMessage(), $this );
                }
            }

            pods_query( "DELETE FROM `@wp_podsrel` WHERE `pod_id` = {$params->id} OR `related_pod_id` = {$params->id}", false );
        }

        // @todo Delete relationships from tableless relationships

        // Delete all posts/revisions from this post type
        if ( in_array( $pod[ 'type' ], array( 'post_type', 'media' ) ) ) {
            $type = pods_var( 'object', $pod, $pod[ 'name' ], null, true );

            $sql = "
                DELETE `t`, `r`, `m`
                FROM `{$pod['table']}` AS `t`
                LEFT JOIN `{$pod['meta_table']}` AS `m`
                    ON `m`.`{$pod['meta_field_id']}` = `t`.`{$pod['field_id']}`
                LEFT JOIN `{$pod['table']}` AS `r`
                    ON `r`.`post_parent` = `t`.`{$pod['field_id']}` AND `r`.`post_status` = 'inherit'
                WHERE `t`.`{$pod['field_type']}` = '{$type}'
            ";

            pods_query( $sql, false );
        }
        // Delete all terms from this taxonomy
        elseif ( 'taxonomy' == $pod[ 'type' ] ) {
            if ( function_exists( 'get_term_meta' ) ) {
                $sql = "
                    DELETE `t`, `m`, `tt`, `tr`
                    FROM `{$pod['table']}` AS `t`
                    LEFT JOIN `{$pod['meta_table']}` AS `m`
                        ON `m`.`{$pod['meta_field_id']}` = `t`.`{$pod['field_id']}`
                    " . $pod['join']['tt'] . "
                    " . $pod['join']['tr'] . "
                    WHERE " . implode( ' AND ', $pod['where'] ) . "
                ";
            } else {
                $sql = "
                    DELETE `t`, `tt`, `tr`
                    FROM `{$pod['table']}` AS `t`
                    " . $pod['join']['tt'] . "
                    " . $pod['join']['tr'] . "
                    WHERE " . implode( ' AND ', $pod['where'] ) . "
                ";
            }

            pods_query( $sql, false );
        }
        // Delete all users except the current one
        elseif ( 'user' == $pod[ 'type' ] ) {
            $sql = "
                DELETE `t`, `m`
                FROM `{$pod['table']}` AS `t`
                LEFT JOIN `{$pod['meta_table']}` AS `m`
                    ON `m`.`{$pod['meta_field_id']}` = `t`.`{$pod['field_id']}`
                WHERE `t`.`{$pod['field_id']}` != " . (int) get_current_user_id() . "
            ";

            pods_query( $sql, false );
        }
        // Delete all comments
        elseif ( 'comment' == $pod[ 'type' ] ) {
            $type = pods_var( 'object', $pod, $pod[ 'name' ], null, true );

            $sql = "
                DELETE `t`, `m`
                FROM `{$pod['table']}` AS `t`
                LEFT JOIN `{$pod['meta_table']}` AS `m`
                    ON `m`.`{$pod['meta_field_id']}` = `t`.`{$pod['field_id']}`
                WHERE `t`.`{$pod['field_type']}` = '{$type}'
            ";

            pods_query( $sql, false );
        }

        pods_cache_clear( true ); // only way to reliably clear out cached data across an entire group

        return true;
    }

    /**
     * Delete a Pod and all its content
     *
     * $params['id'] int The Pod ID
     * $params['name'] string The Pod name
     *
     * @param array $params An associative array of parameters
     * @param bool $strict (optional) Makes sure a pod exists, if it doesn't throws an error
     * @param bool $delete_all (optional) Whether to delete all content from a WP object
     *
     * @uses PodsAPI::load_pod
     * @uses wp_delete_post
     * @uses pods_query
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_pod ( $params, $strict = false, $delete_all = false ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        if ( !is_object( $params ) && !is_array( $params ) ) {
            if ( is_numeric( $params ) )
                $params = array( 'id' => $params );
            else
                $params = array( 'name' => $params );

            $params = (object) pods_sanitize( $params );
        }
        else
            $params = (object) pods_sanitize( $params );

        $params->table_info = false;

        $pod = $this->load_pod( $params, $strict );

        if ( empty( $pod ) ) {
            if ( false !== $strict )
                return pods_error( __( 'Pod not found', 'pods' ), $this );

            return false;
        }

        $params->id = (int) $pod[ 'id' ];
        $params->name = $pod[ 'name' ];

        foreach ( $pod[ 'fields' ] as $field ) {
            $field[ 'pod' ] = $pod;

            $this->delete_field( $field, false );
        }

        // Only delete the post once the fields are taken care of, it's not required anymore
        $success = wp_delete_post( $params->id );

        if ( !$success )
            return pods_error( __( 'Pod unable to be deleted', 'pods' ), $this );

        // Reset content
        if ( $delete_all )
            $this->reset_pod( $params, $pod );

        if ( !pods_tableless() ) {
            if ( 'table' == $pod[ 'storage' ] ) {
                try {
                    pods_query( "DROP TABLE IF EXISTS `@wp_pods_{$params->name}`", false );
                }
                catch ( Exception $e ) {
                    // Allow pod to be deleted if the table doesn't exist
                    if ( false === strpos( $e->getMessage(), 'Unknown table' ) )
                        return pods_error( $e->getMessage(), $this );
                }
            }

            pods_query( "DELETE FROM `@wp_podsrel` WHERE `pod_id` = {$params->id} OR `related_pod_id` = {$params->id}", false );
        }

        // @todo Delete relationships from tableless relationships

        // Delete any relationship references
        $sql = "
            DELETE `pm`
            FROM `{$wpdb->postmeta}` AS `pm`
            LEFT JOIN `{$wpdb->posts}` AS `p`
                ON `p`.`post_type` = '_pods_field'
                    AND `p`.`ID` = `pm`.`post_id`
            LEFT JOIN `{$wpdb->postmeta}` AS `pm2`
                ON `pm2`.`meta_key` = 'pick_object'
                    AND `pm2`.`meta_value` = 'pod'
                    AND `pm2`.`post_id` = `pm`.`post_id`
            WHERE
                `p`.`ID` IS NOT NULL
                AND `pm2`.`meta_id` IS NOT NULL
                AND `pm`.`meta_key` = 'pick_val'
                AND `pm`.`meta_value` = '{$params->name}'
        ";

        pods_query( $sql );

        $this->cache_flush_pods( $pod );

        return true;
    }

    /**
     * Drop a field within a Pod
     *
     * $params['id'] int The field ID
     * $params['name'] int The field name
     * $params['pod'] string The Pod name
     * $params['pod_id'] string The Pod name
     *
     * @param array $params An associative array of parameters
     * @param bool $table_operation Whether or not to handle table operations
     *
     * @uses PodsAPI::load_field
     * @uses wp_delete_post
     * @uses pods_query
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_field ( $params, $table_operation = true ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        $tableless_field_types = PodsForm::tableless_field_types();
        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        $params = (object) pods_sanitize( $params );

        if ( !isset( $params->pod ) )
            $params->pod = '';

        if ( !isset( $params->pod_id ) )
            $params->pod_id = 0;

        $pod = $params->pod;

        $save_pod = false;

        if ( !is_array( $pod ) )
            $pod = $this->load_pod( array( 'name' => $pod, 'id' => $params->pod_id, 'table_info' => false ) );
        else
            $save_pod = true;

        if ( empty( $pod ) )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $params->pod_id = $pod[ 'id' ];
        $params->pod = $pod[ 'name' ];

        if ( !isset( $params->name ) )
            $params->name = '';

        if ( !isset( $params->id ) )
            $params->id = 0;

        $field = $this->load_field( array( 'name' => $params->name, 'id' => $params->id, 'pod' => $params->pod, 'pod_id' => $params->pod_id ) );

        if ( false === $field )
            return pods_error( __( 'Field not found', 'pods' ), $this );

        $params->id = $field[ 'id' ];
        $params->name = $field[ 'name' ];

        $simple = ( 'pick' == $field[ 'type' ] && in_array( pods_var( 'pick_object', $field ), $simple_tableless_objects ) );
        $simple = (boolean) $this->do_hook( 'tableless_custom', $simple, $field, $pod, $params );

        if ( $table_operation && 'table' == $pod[ 'storage' ] && ( !in_array( $field[ 'type' ], $tableless_field_types ) || $simple ) )
            pods_query( "ALTER TABLE `@wp_pods_{$params->pod}` DROP COLUMN `{$params->name}`", false );

        $success = wp_delete_post( $params->id );

        if ( !$success )
            return pods_error( __( 'Field unable to be deleted', 'pods' ), $this );

        $wpdb->query( $wpdb->prepare( "DELETE pm FROM {$wpdb->postmeta} AS pm
            LEFT JOIN {$wpdb->posts} AS p
                ON p.post_type = '_pods_field' AND p.ID = pm.post_id
            WHERE p.ID IS NOT NULL AND pm.meta_key = 'sister_id' AND pm.meta_value = %d", $params->id ) );

        if ( ( !pods_tableless() ) && $table_operation ) {
            pods_query( "DELETE FROM `@wp_podsrel` WHERE (`pod_id` = {$params->pod_id} AND `field_id` = {$params->id}) OR (`related_pod_id` = {$params->pod_id} AND `related_field_id` = {$params->id})", false );
        }

        // @todo Delete tableless relationship meta

        if ( true === $save_pod )
            $this->cache_flush_pods( $pod );

        return true;
    }

    /**
     * Drop a Pod Object
     *
     * $params['id'] int The object ID
     * $params['name'] string The object name
     * $params['type'] string The object type
     *
     * @param array|object $params An associative array of parameters
     *
     * @uses wp_delete_post
     *
     * @return bool
     * @since 2.0
     */
    public function delete_object ( $params ) {
        $params = (object) $params;
        $object = $this->load_object( $params );

        if ( empty( $object ) )
            return pods_error( sprintf( __( "%s Object not found", 'pods' ), ucwords( $params->type ) ), $this );

        $success = wp_delete_post( $params->id );

        if ( !$success )
            return pods_error( sprintf( __( "%s Object not deleted", 'pods' ), ucwords( $params->type ) ), $this );

        pods_transient_clear( 'pods_objects_' . $params->type );

        return true;
    }

    /**
     * @see PodsAPI::delete_object
     *
     * Drop a Pod Template
     *
     * $params['id'] int The template ID
     * $params['name'] string The template name
     *
     * @param array $params An associative array of parameters
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_template ( $params ) {
        $params = (object) $params;
        $params->type = 'template';
        return $this->delete_object( $params );
    }

    /**
     * @see PodsAPI::delete_object
     *
     * Drop a Pod Page
     *
     * $params['id'] int The page ID
     * $params['uri'] string The page URI
     *
     * @param array $params An associative array of parameters
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_page ( $params ) {
        $params = (object) $params;
        if ( isset( $params->uri ) ) {
            $params->name = $params->uri;
            unset( $params->uri );
        }
        if ( isset( $params->name ) )
            $params->name = trim( $params->name, '/' );
        $params->type = 'page';
        return $this->delete_object( $params );
    }

    /**
     * @see PodsAPI::delete_object
     *
     * Drop a Pod Helper
     *
     * $params['id'] int The helper ID
     * $params['name'] string The helper name
     *
     * @param array $params An associative array of parameters
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_helper ( $params ) {
        $params = (object) $params;
        $params->type = 'helper';
        return $this->delete_object( $params );
    }

    /**
     * Drop a single pod item
     *
     * $params['id'] int (optional) The item's ID from the wp_pod_* table (used with datatype parameter)
     * $params['pod'] string (optional) The Pod name (used with id parameter)
     * $params['pod_id'] int (optional) The Pod ID (used with id parameter)
     * $params['bypass_helpers'] bool Set to true to bypass running pre-save and post-save helpers
     *
     * @param array $params An associative array of parameters
     * @param bool $wp Whether to run WP object delete action
     *
     * @return bool
     * @since 1.7.9
     */
    public function delete_pod_item ( $params, $wp = true ) {
        $params = (object) pods_sanitize( $params );

        // @deprecated 2.0
        if ( isset( $params->datatype_id ) || isset( $params->datatype ) || isset( $params->tbl_row_id ) ) {
            if ( isset( $params->tbl_row_id ) ) {
                pods_deprecated( __( '$params->id instead of $params->tbl_row_id', 'pods' ), '2.0' );
                $params->id = $params->tbl_row_id;
                unset( $params->tbl_row_id );
            }

            if ( isset( $params->pod_id ) ) {
                pods_deprecated( __( '$params->id instead of $params->pod_id', 'pods' ), '2.0' );
                $params->id = $params->pod_id;
                unset( $params->pod_id );
            }

            if ( isset( $params->dataype_id ) ) {
                pods_deprecated( __( '$params->pod_id instead of $params->datatype_id', 'pods' ), '2.0' );
                $params->pod_id = $params->dataype_id;
                unset( $params->dataype_id );
            }

            if ( isset( $params->datatype ) ) {
                pods_deprecated( __( '$params->pod instead of $params->datatype', 'pods' ), '2.0' );
                $params->pod = $params->datatype;
                unset( $params->datatype );
            }
        }

        if ( !isset( $params->id ) )
            return pods_error( __( 'Pod Item not found', 'pods' ), $this );

        $params->id = pods_absint( $params->id );

        if ( !isset( $params->pod ) )
            $params->pod = '';

        if ( !isset( $params->pod_id ) )
            $params->pod_id = 0;

        $pod = $this->load_pod( array( 'name' => $params->pod, 'id' => $params->pod_id, 'table_info' => false ) );

        if ( false === $pod )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $params->pod_id = $pod[ 'id' ];
        $params->pod = $pod[ 'name' ];

        // Allow Helpers to bypass subsequent helpers in recursive delete_pod_item calls
        $bypass_helpers = false;

        if ( isset( $params->bypass_helpers ) && false !== $params->bypass_helpers )
            $bypass_helpers = true;

        $pre_delete_helpers = $post_delete_helpers = array();

        if ( false === $bypass_helpers ) {
            // Plugin hook
            $this->do_hook( 'pre_delete_pod_item', $params, $pod );
            $this->do_hook( "pre_delete_pod_item_{$params->pod}", $params, $pod );

            // Call any pre-save helpers (if not bypassed)
            if ( !defined( 'PODS_DISABLE_EVAL' ) || !PODS_DISABLE_EVAL ) {
                if ( !empty( $pod[ 'options' ] ) && is_array( $pod[ 'options' ] ) ) {
                    $helpers = array( 'pre_delete_helpers', 'post_delete_helpers' );

                    foreach ( $helpers as $helper ) {
                        if ( isset( $pod[ 'options' ][ $helper ] ) && !empty( $pod[ 'options' ][ $helper ] ) )

This if statement is empty and can be removed.

                            ${$helper} = explode( ',', $pod[ 'options' ][ $helper ] );
                    }
                }

                if ( !empty( $pre_delete_helpers ) ) {
                    pods_deprecated( sprintf( __( 'Pre-delete helpers are deprecated, use the action pods_pre_delete_pod_item_%s instead', 'pods' ), $params->pod ), '2.0' );

                    foreach ( $pre_delete_helpers as $helper ) {
                        $helper = $this->load_helper( array( 'name' => $helper ) );

                        if ( false !== $helper )
                            eval( '?>' . $helper[ 'code' ] );

It is generally not recommended to use eval unless absolutely required.

                    }
                }
            }
        }

        // Delete object from relationship fields
        $this->delete_object_from_relationships( $params->id, $pod );

        if ( 'table' == $pod[ 'storage' ] )
            pods_query( "DELETE FROM `@wp_pods_{$params->pod}` WHERE `id` = {$params->id} LIMIT 1" );

        if ( $wp ) {
            if ( 'taxonomy' == $pod['type'] ) {
                $taxonomy = $pod['name'];

                if ( ! empty( $pod['object'] ) ) {
                    $taxonomy = $pod['object'];
                }

                wp_delete_term( $params->id, $taxonomy );
            } elseif ( ! in_array( $pod['type'], array( 'pod', 'table', '', 'taxonomy' ) ) ) {
                $this->delete_wp_object( $pod['type'], $params->id );
            }
        }

        if ( false === $bypass_helpers ) {
            // Plugin hook
            $this->do_hook( 'post_delete_pod_item', $params, $pod );
            $this->do_hook( "post_delete_pod_item_{$params->pod}", $params, $pod );

            // Call any post-save helpers (if not bypassed)
            if ( !defined( 'PODS_DISABLE_EVAL' ) || !PODS_DISABLE_EVAL ) {
                if ( !empty( $post_delete_helpers ) ) {
                    pods_deprecated( sprintf( __( 'Post-delete helpers are deprecated, use the action pods_post_delete_pod_item_%s instead', 'pods' ), $params->pod ), '2.0' );

                    foreach ( $post_delete_helpers as $helper ) {
                        $helper = $this->load_helper( array( 'name' => $helper ) );

                        if ( false !== $helper )
                            eval( '?>' . $helper[ 'code' ] );

It is generally not recommended to use eval unless absolutely required.

                    }
                }
            }
        }

        pods_cache_clear( $params->id, 'pods_items_' . $params->pod );

        return true;
    }

    /**
     * Delete an object from tableless fields
     *
     * @param int $id
     * @param string $type

There is no parameter named $type. Was it maybe removed?

     * @param string $name
     *
     * @return bool
     *
     * @since 2.3
     */
    public function delete_object_from_relationships ( $id, $object, $name = null ) {
        /**
         * @var $pods_init \PodsInit
         */
        global $pods_init;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        $pod = false;

        // Run any bidirectional delete operations
        if ( is_array( $object ) )
            $pod = $object;
        elseif ( is_object( $pods_init ) )
            $pod = PodsInit::$meta->get_object( $object, $name );

The property meta cannot be accessed from this context as it is declared private in class PodsInit.

        if ( !empty( $pod ) ) {
            $object = $pod[ 'type' ];
            $name = $pod[ 'name' ];

            foreach ( $pod[ 'fields' ] as $field ) {
                PodsForm::delete( $field[ 'type' ], $id, $field[ 'name' ], array_merge( $field, $field[ 'options' ] ), $pod );
            }
        }

        // Lookup related fields (non-bidirectional)
        $params = array(
            'where' => array(
                array(
                    'key' => 'type',
                    'value' => 'pick'
                ),
                array(
                    'key' => 'pick_object',
                    'value' => $object
                )
            )
        );

        if ( !empty( $name ) && $name != $object ) {
            $params[ 'where' ][] = array(
                'key' => 'pick_val',
                'value' => $name
            );
        }

        $fields = $this->load_fields( $params, false );

        if ( !empty( $pod ) && 'media' == $pod[ 'type' ] ) {
            $params[ 'where' ] = array(
                array(
                    'key' => 'type',
                    'value' => 'file'
                )
            );

            $fields = array_merge( $fields, $this->load_fields( $params, false ) );
        }

        if ( is_array( $fields ) && !empty( $fields ) ) {
            foreach ( $fields as $related_field ) {
                $related_pod = $this->load_pod( array( 'id' => $related_field[ 'pod_id' ], 'fields' => false ), false );

                if ( empty( $related_pod ) )
                    continue;

                $related_from = $this->lookup_related_items_from( $related_field[ 'id' ], $related_pod[ 'id' ], $id, $related_field, $related_pod );

                $this->delete_relationships( $related_from, $id, $related_pod, $related_field );
            }
        }

        if ( !empty( $pod ) && !pods_tableless() ) {
            pods_query( "
                DELETE FROM `@wp_podsrel`
                WHERE
                (
                    `pod_id` = %d
                    AND `item_id` = %d
                )
                OR (
                    `related_pod_id` = %d
                    AND `related_item_id` = %d
                )
            ", array(
                $pod[ 'id' ],
                $id,

                $pod[ 'id' ],
                $id
            ) );
        }

        return true;
    }

    /**
     * Delete relationships
     *
     * @param int|array $related_id IDs for items to save
     * @param int|array $id ID or IDs to remove
     * @param array $related_pod Pod data
     * @param array $related_field Field data
     *
     * @return void
     *
     * @since 2.3
     */
    public function delete_relationships ( $related_id, $id, $related_pod, $related_field ) {
        if ( is_array( $related_id ) ) {
            foreach ( $related_id as $rid ) {
                $this->delete_relationships( $rid, $id, $related_pod, $related_field );
            }

            return;
        }

        if ( is_array( $id ) ) {
            foreach ( $id as $rid ) {
                $this->delete_relationships( $related_id, $rid, $related_pod, $related_field );
            }

            return;
        }

        $id = (int) $id;

        if ( empty( $id ) )
            return;

        $related_ids = $this->lookup_related_items( $related_field[ 'id' ], $related_pod[ 'id' ], $related_id, $related_field, $related_pod );

        if ( empty( $related_ids ) )
            return;
        elseif ( !in_array( $id, $related_ids ) )
            return;

	    if ( isset( self::$related_item_cache[ $related_pod[ 'id' ] ][ $related_field[ 'id' ] ] ) ) {
		    // Delete relationship from cache
		    unset( self::$related_item_cache[ $related_pod[ 'id' ] ][ $related_field[ 'id' ] ] );
	    }
        unset( $related_ids[ array_search( $id, $related_ids ) ] );

        $no_conflict = pods_no_conflict_check( $related_pod[ 'type' ] );

        if ( !$no_conflict )
            pods_no_conflict_on( $related_pod[ 'type' ] );

        // Post Types, Media, Users, and Comments (meta-based)
        if ( in_array( $related_pod[ 'type' ], array( 'post_type', 'media', 'taxonomy', 'user', 'comment' ) ) ) {
            $object_type = $related_pod[ 'type' ];

            if ( in_array( $object_type, array( 'post_type', 'media' ) ) )
                $object_type = 'post';
            elseif ( 'taxonomy' == $object_type )
                $object_type = 'term';

            delete_metadata( $object_type, $related_id, $related_field[ 'name' ] );

            if ( !empty( $related_ids ) ) {
                update_metadata( $object_type, $related_id, '_pods_' . $related_field[ 'name' ], $related_ids );

                foreach ( $related_ids as $rel_id ) {
                    add_metadata( $object_type, $related_id, $related_field[ 'name' ], $rel_id );
                }
            }
            else
                delete_metadata( $object_type, $related_id, '_pods_' . $related_field[ 'name' ] );
        }
        // Custom Settings Pages (options-based)
        elseif ( 'settings' == $related_pod[ 'type' ] ) {
            if ( !empty( $related_ids ) )
                update_option( $related_pod[ 'name' ] . '_' . $related_field[ 'name' ], $related_ids );
            else
                delete_option( $related_pod[ 'name' ] . '_' . $related_field[ 'name' ] );
        }

        // Relationships table
        if ( !pods_tableless() ) {
            pods_query( "
                DELETE FROM `@wp_podsrel`
                WHERE
                (
                    `pod_id` = %d
                    AND `field_id` = %d
                    AND `item_id` = %d
                    AND `related_item_id` = %d
                )
                OR (
                    `related_pod_id` = %d
                    AND `related_field_id` = %d
                    AND `related_item_id` = %d
                    AND `item_id` = %d
                )
            ", array(
                $related_pod[ 'id' ],
                $related_field[ 'id' ],
                $related_id,
                $id,

                $related_pod[ 'id' ],
                $related_field[ 'id' ],
                $related_id,
                $id
            ) );
        }

        if ( !$no_conflict )
            pods_no_conflict_off( $related_pod[ 'type' ] );
    }

    /**
     * Check if a Pod exists
     *
     * $params['id'] int Pod ID
     * $params['name'] string Pod name
     *
     * @param array $params An associative array of parameters
     *
     * @return bool True if exists
     *
     * @since 1.12
     */
    public function pod_exists ( $params, $type = null ) {
        if ( is_string( $params ) )
            $params = array( 'name' => $params );

        $params = (object) pods_sanitize( $params );

        if ( !empty( $params->id ) || !empty( $params->name ) ) {
            if ( !isset( $params->name ) )
                $pod = get_post( $dummy = (int) $params->id );
            else {
                $pod = get_posts( array(
                    'name' => $params->name,
                    'post_type' => '_pods_pod',
                    'posts_per_page' => 1
                ) );
            }

            if ( !empty( $pod ) && ( empty( $type ) || $type == get_post_meta( $pod->ID, 'type', true ) ) )
                return true;
        }

        return false;
    }

    /**
     * Load a Pod and all of its fields
     *
     * $params['id'] int The Pod ID
     * $params['name'] string The Pod name
     * $params['fields'] bool Whether to load fields (default is true)
     *
     * @param array|object $params An associative array of parameters or pod name as a string
     * @param bool $strict Makes sure the pod exists, throws an error if it doesn't work
     *
     * @return array|bool|mixed|void
     * @since 1.7.9
     */
    public function load_pod ( $params, $strict = true ) {

        /**
         * @var $sitepress SitePress
		 * @var $wpdb wpdb
         */
        global $sitepress, $icl_adjust_id_url_filter_off, $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        $current_language = false;
        $load_fields = true;

	    // Get current language data
		$lang_data = self::get_current_language();

	    if ( $lang_data ) {

The expression $lang_data of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

		    if ( ! empty( $lang_data['language'] ) ) {
			    $current_language = $lang_data['language'];
		    }
	    }

        if ( !is_array( $params ) && !is_object( $params ) )
            $params = array( 'name' => $params, 'table_info' => false, 'fields' => true );

        if ( is_object( $params ) && isset( $params->fields ) && !$params->fields )
            $load_fields = false;
        elseif ( is_array( $params ) && isset( $params[ 'fields' ] ) && !$params[ 'fields' ] )
            $load_fields = false;

	    $table_info = false;

        if ( is_object( $params ) && ! empty( $params->table_info ) )
            $table_info = true;
        elseif ( is_array( $params ) && ! empty( $params[ 'table_info' ] ) )
            $table_info = true;

        $transient = 'pods_' . $wpdb->prefix . '_pod';

        if ( !empty( $current_language ) )
            $transient .= '_' . $current_language;

        if ( !$load_fields )
            $transient .= '_nofields';

        if ( $table_info )
            $transient .= '_tableinfo';

        if ( is_object( $params ) && isset( $params->post_name ) ) {
            $pod = false;

            if ( pods_api_cache() )
                $pod = pods_transient_get( $transient . '_' . $params->post_name );

            if ( false !== $pod && ( ! $table_info || isset( $pod[ 'table' ] ) ) ) {
	            // @todo Is this needed anymore for WPML?
                if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && is_object( $sitepress ) && !$icl_adjust_id_url_filter_off )
                    $pod = array_merge( $pod, $this->get_table_info( $pod[ 'type' ], $pod[ 'object' ], $pod[ 'name' ], $pod ) );

                return $pod;
            }

            $_pod = get_object_vars( $params );
        }
        else {
            $params = (object) pods_sanitize( $params );

            if ( ( !isset( $params->id ) || empty( $params->id ) ) && ( !isset( $params->name ) || empty( $params->name ) ) ) {
                if ( $strict )
                    return pods_error( 'Either Pod ID or Name are required', $this );

                return false;
            }

            if ( isset( $params->name ) ) {
                $pod = false;

				if ( '_pods_pod' == $params->name ) {
					$pod = array(
						'id' => 0,
						'name' => $params->name,
						'label' => __( 'Pods', 'pods' ),
						'type' => 'post_type',
						'storage' => 'meta',
						'options' => array(
							'label_singular' => __( 'Pod', 'pods' )
						),
						'fields' => array()
					);
				}
				elseif ( '_pods_field' == $params->name ) {
					$pod = array(
						'id' => 0,
						'name' => $params->name,
						'label' => __( 'Pod Fields', 'pods' ),
						'type' => 'post_type',
						'storage' => 'meta',
						'options' => array(
							'label_singular' => __( 'Pod Field', 'pods' )
						),
						'fields' => array()
					);
				}
                elseif ( pods_api_cache() )
                    $pod = pods_transient_get( $transient . '_' . $params->name );

                if ( false !== $pod && ( ! $table_info || isset( $pod[ 'table' ] ) ) ) {
                    if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && is_object( $sitepress ) && !$icl_adjust_id_url_filter_off )
                        $pod = array_merge( $pod, $this->get_table_info( $pod[ 'type' ], $pod[ 'object' ], $pod[ 'name' ], $pod ) );

                    return $pod;
                }
            }

            if ( !isset( $params->name ) )
                $pod = get_post( $dummy = (int) $params->id );
            else {
                $pod = get_posts( array(
                    'name' => $params->name,
                    'post_type' => '_pods_pod',
                    'posts_per_page' => 1
                ) );
            }

            if ( empty( $pod ) ) {
                if ( $strict )
                    return pods_error( __( 'Pod not found', 'pods' ), $this );

                return false;
            }

            if ( is_array( $pod ) )
                $pod = $pod[ 0 ];

            $_pod = get_object_vars( $pod );
        }

        $pod = false;

        if ( pods_api_cache() )
            $pod = pods_transient_get( $transient . '_' . $_pod[ 'post_name' ] );

        if ( false !== $pod && ( ! $table_info || isset( $pod[ 'table' ] ) ) ) {
            if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) && is_object( $sitepress ) && !$icl_adjust_id_url_filter_off )
                $pod = array_merge( $pod, $this->get_table_info( $pod[ 'type' ], $pod[ 'object' ], $pod[ 'name' ], $pod ) );

            return $pod;
        }

        $pod = array(
            'id' => $_pod[ 'ID' ],
            'name' => $_pod[ 'post_name' ],
            'label' => $_pod[ 'post_title' ],
            'description' => $_pod[ 'post_content' ]
        );

        if ( strlen( $pod[ 'label' ] ) < 1 )
            $pod[ 'label' ] = $pod[ 'name' ];

        // @todo update with a method to put all options in
        $defaults = array(
            'show_in_menu' => 1,
            'type' => 'post_type',
            'storage' => 'meta',
            'object' => '',
            'alias' => ''
        );

        $pod[ 'options' ] = get_post_meta( $pod[ 'id' ] );

        foreach ( $pod[ 'options' ] as $option => $value ) {
            if ( is_array( $value ) ) {
                foreach ( $value as $k => $v ) {
                    if ( !is_array( $v ) )
                        $value[ $k ] = maybe_unserialize( $v );
                }

                if ( 1 == count( $value ) )
                    $value = current( $value );
            }
            else
                $value = maybe_unserialize( $value );

            $pod[ 'options' ][ $option ] = $value;
        }

        $pod[ 'options' ] = array_merge( $defaults, $pod[ 'options' ] );

        $pod[ 'type' ] = $pod[ 'options' ][ 'type' ];
        $pod[ 'storage' ] = $pod[ 'options' ][ 'storage' ];
        $pod[ 'object' ] = $pod[ 'options' ][ 'object' ];
        $pod[ 'alias' ] = $pod[ 'options' ][ 'alias' ];

        unset( $pod[ 'options' ][ 'type' ] );
        unset( $pod[ 'options' ][ 'storage' ] );
        unset( $pod[ 'options' ][ 'object' ] );
        unset( $pod[ 'options' ][ 'alias' ] );

        if ( $table_info )
            $pod = array_merge( $this->get_table_info( $pod[ 'type' ], $pod[ 'object' ], $pod[ 'name' ], $pod ), $pod );

        // Override old 'none' storage type
        if ( 'taxonomy' == $pod['type'] && 'none' == $pod['storage'] && function_exists( 'get_term_meta' ) ) {
            $pod[ 'storage' ] = 'meta';
        }

        if ( isset( $pod[ 'pod' ] ) )
            unset( $pod[ 'pod' ] );

        $pod[ 'fields' ] = array();

        $pod[ 'object_fields' ] = array();

        if ( 'pod' != $pod[ 'type' ] )
            $pod[ 'object_fields' ] = $this->get_wp_object_fields( $pod[ 'type' ], $pod );

        $fields = get_posts( array(
            'post_type' => '_pods_field',
            'posts_per_page' => -1,
            'nopaging' => true,
            'post_parent' => $pod[ 'id' ],
            'orderby' => 'menu_order',
            'order' => 'ASC'
        ) );

        if ( !empty( $fields ) ) {
            foreach ( $fields as $field ) {
                $field->pod = $pod[ 'name' ];
                $field->table_info = $table_info;

                if ( $load_fields ) {
                    $field = $this->load_field( $field );

                    $field = PodsForm::field_setup( $field, null, $field[ 'type' ] );
                }
                else {
                    $field = array(
                        'id' => $field->ID,
                        'name' => $field->post_name,
                        'label' => $field->post_title,
                        'type' => get_post_meta( $field->ID, 'type', true )
                    );
                }

                $pod[ 'fields' ][ $field[ 'name' ] ] = $field;
            }
        }

        if ( did_action( 'init' ) && pods_api_cache() )
            pods_transient_set( $transient . '_' . $pod[ 'name' ], $pod );

        return $pod;
    }

    /**
     * Load a list of Pods based on filters specified.
     *
     * $params['type'] string/array Pod Type(s) to filter by
     * $params['object'] string/array Pod Object(s) to filter by
     * $params['options'] array Pod Option(s) key=>value array to filter by
     * $params['orderby'] string ORDER BY clause of query
     * $params['limit'] string Number of Pods to return
     * $params['where'] string WHERE clause of query
     * $params['ids'] string|array IDs of Objects
     * $params['count'] boolean Return only a count of Pods
     * $params['names'] boolean Return only an array of name => label
     * $params['ids'] boolean Return only an array of ID => label
     * $params['fields'] boolean Return pod fields with Pods (default is true)
     * $params['key_names'] boolean Return pods keyed by name
     *
     * @param array $params An associative array of parameters
     *
     * @return array|mixed
     *
     * @uses PodsAPI::load_pod
     *
     * @since 2.0
     */
    public function load_pods ( $params = null ) {

        $current_language = false;

	    // Get current language data
		$lang_data = self::get_current_language();

	    if ( $lang_data ) {

The expression $lang_data of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

		    if ( ! empty( $lang_data['language'] ) ) {
			    $current_language = $lang_data['language'];
		    }
	    }

        $params = (object) pods_sanitize( $params );

        $order = 'ASC';
        $orderby = 'menu_order title';
        $limit = -1;
        $ids = false;

        $meta_query = array();
        $cache_key = '';

        if ( isset( $params->type ) && !empty( $params->type ) ) {
            if ( !is_array( $params->type ) )
                $params->type = array( trim( $params->type ) );

            sort( $params->type );

            $meta_query[] = array(
                'key' => 'type',
                'value' => $params->type,
                'compare' => 'IN'
            );

            if ( 0 < count( $params->type ) )
                $cache_key .= '_type_' . trim( implode( '_', $params->type ) );
        }

        if ( isset( $params->object ) && !empty( $params->object ) ) {
            if ( !is_array( $params->object ) )
                $params->object = array( $params->object );

            $params->object = pods_trim( $params->object );

            sort( $params->object );

            $meta_query[] = array(
                'key' => 'object',
                'value' => $params->object,
                'compare' => 'IN'
            );

            if ( 1 == count( $params->object ) )
                $cache_key .= '_object_' . trim( implode( '', $params->object ) );
        }

        if ( isset( $params->options ) && !empty( $params->options ) && is_array( $params->options ) ) {
            foreach ( $params->options as $option => $value ) {
                if ( !is_array( $value ) )
                    $value = array( $value );

                $value = pods_trim( $value );

                sort( $value );

                $meta_query[] = array(
                    'key' => $option,
                    'value' => pods_sanitize( $value ),
                    'compare' => 'IN'
                );
            }

            $cache_key = '';
        }

        if ( isset( $params->where ) && is_array( $params->where ) )
            $meta_query = array_merge( $meta_query, (array) $params->where );

        if ( isset( $params->order ) && !empty( $params->order ) && in_array( strtoupper( $params->order ), array( 'ASC', 'DESC' ) ) )
            $order = strtoupper( $params->order );

        if ( isset( $params->orderby ) && !empty( $params->orderby ) )
            $orderby = strtoupper( $params->orderby );

        if ( isset( $params->limit ) && !empty( $params->limit ) )
            $limit = pods_absint( $params->limit );

        if ( isset( $params->ids ) && !empty( $params->ids ) ) {
            $ids = $params->ids;

            if ( !is_array( $ids ) )
                $ids = explode( ',', $ids );
        }

        if ( empty( $ids ) )
            $ids = false;

        $pre_key = '';

        if ( !empty( $current_language ) )
            $pre_key .= '_' . $current_language;

        if ( isset( $params->count ) && $params->count )
            $pre_key .= '_count';

        if ( isset( $params->ids ) && $params->ids && !empty( $ids ) )
            $pre_key .= '_ids_' . implode( '_', $ids );

        if ( isset( $params->names ) && $params->names )
            $pre_key .= '_names';
        elseif ( isset( $params->names_ids ) && $params->names_ids )
            $pre_key .= '_names_ids';

        if ( isset( $params->key_names ) && $params->key_names )
            $pre_key .= '_namekeys';

        if ( isset( $params->fields ) && !$params->fields )
            $pre_key .= '_nofields';

        if ( isset( $params->table_info ) && $params->table_info )
            $pre_key .= '_tableinfo';


        $pre_key .= '_get';

        if ( empty( $cache_key ) )
            $cache_key = 'pods' . $pre_key . '_all';
        else
            $cache_key = 'pods' . $pre_key . $cache_key;

        if ( pods_api_cache() && !empty( $cache_key ) && ( 'pods' . ( !empty( $current_language ) ? '_' . $current_language : '' ) . '_get_all' != $cache_key || empty( $meta_query ) ) && $limit < 1 && ( empty( $orderby ) || 'menu_order title' == $orderby ) && empty( $ids ) ) {
            $the_pods = pods_transient_get( $cache_key );

            if ( false === $the_pods )
                $the_pods = pods_cache_get( $cache_key, 'pods' );

            if ( !is_array( $the_pods ) && 'none' == $the_pods )
                return array();
            elseif ( false !== $the_pods )
                return $the_pods;
        }

        $the_pods = array();

		$args = array(
			'post_type' => '_pods_pod',
			'nopaging' => true,
			'posts_per_page' => $limit,
			'order' => $order,
			'orderby' => $orderby,
			'meta_query' => $meta_query,
		);

		// Only set post__in if there are ids to filter (see https://core.trac.wordpress.org/ticket/28099)
		if ( false != $ids ) {
			$args[ 'post__in' ] = $ids;
		}

		$_pods = get_posts( $args );

        $export_ignore = array(
            'object_type',
            'object_name',
            'table',
            'meta_table',
            'pod_table',
            'field_id',
            'field_index',
            'field_slug',
            'field_type',
            'field_parent',
            'field_parent_select',
            'meta_field_id',
            'meta_field_index',
            'meta_field_value',
            'pod_field_id',
            'pod_field_index',
            'object_fields',
            'join',
            'where',
            'where_default',
            'orderby',
            'pod',
            'recurse',
            'table_info',
            'attributes',
            'group',
            'grouped',
            'developer_mode',
            'dependency',
            'depends-on',
            'excludes-on'
        );

        $total_fields = 0;

        if ( isset( $params->count ) && $params->count )
            $the_pods = count( $_pods );
        else {
            foreach ( $_pods as $pod ) {
                if ( isset( $params->names ) && $params->names )
                    $the_pods[ $pod->post_name ] = $pod->post_title;
                elseif ( isset( $params->names_ids ) && $params->names_ids )
                    $the_pods[ $pod->ID ] = $pod->post_name;
                else {
                    if ( isset( $params->fields ) && !$params->fields )
                        $pod->fields = false;

                    $pod = $this->load_pod( $pod );

                    // Remove extra data not needed
                    if ( pods_var( 'export', $params, false ) && ( !isset( $params->fields ) || $params->fields ) ) {
                        foreach ( $export_ignore as $ignore ) {
                            if ( isset( $pod[ $ignore ] ) )
                                unset( $pod[ $ignore ] );
                        }

                        foreach ( $pod[ 'fields' ] as $field => $field_data ) {
                            if ( isset( $pod[ 'fields' ][ $field ][ 'table_info' ] ) )
                                unset( $pod[ 'fields' ][ $field ][ 'table_info' ] );
                        }
                    }

                    $total_fields += count( $pod[ 'fields' ] );

                    if ( isset( $params->key_names ) && $params->key_names )
                        $the_pods[ $pod[ 'name' ] ] = $pod;
                    else
                        $the_pods[ $pod[ 'id' ] ] = $pod;
                }
            }
        }

        if ( ( !function_exists( 'pll_current_language' ) || ( isset( $params->refresh ) && $params->refresh ) ) && !empty( $cache_key ) && ( 'pods' != $cache_key || empty( $meta_query ) ) && $limit < 1 && ( empty( $orderby ) || 'menu_order title' == $orderby ) && empty( $ids ) ) {
            // Too many Pods can cause issues with the DB when caching is not enabled
            if ( 15 < count( $the_pods ) || 75 < count( $total_fields ) ) {
                pods_transient_clear( $cache_key );

                if ( pods_api_cache() ) {
                    if ( empty( $the_pods ) && ( !isset( $params->count ) || !$params->count ) )
                        pods_cache_set( $cache_key, 'none', 'pods' );
                    else
                        pods_cache_set( $cache_key, $the_pods, 'pods' );
                }
            }
            else {
                pods_cache_clear( $cache_key, 'pods' );

                if ( pods_api_cache() ) {
                    if ( empty( $the_pods ) && ( !isset( $params->count ) || !$params->count ) )
                        pods_transient_set( $cache_key, 'none' );
                    else
                        pods_transient_set( $cache_key, $the_pods );
                }
            }
        }

        return $the_pods;
    }

    /**
     * Check if a Pod's field exists
     *
     * $params['pod_id'] int The Pod ID
     * $params['id'] int The field ID
     * $params['name'] string The field name
     *
     * @param array $params An associative array of parameters
     *
     * @return bool
     *
     * @since 1.12
     */
    public function field_exists ( $params ) {
        $params = (object) pods_sanitize( $params );

        if ( ( !empty( $params->id ) || !empty( $params->name ) ) && isset( $params->pod_id ) && !empty( $params->pod_id ) ) {
            if ( !isset( $params->name ) )
                $field = get_post( $dummy = (int) $params->id );
            else {
                $field = get_posts( array(
                    'name' => $params->name,
                    'post_type' => '_pods_field',
                    'posts_per_page' => 1,
                    'post_parent' => $params->pod_id
                ) );
            }

            if ( !empty( $field ) )
                return true;
        }

        return false;
    }

    /**
     * Load a field
     *
     * $params['pod_id'] int The Pod ID
     * $params['pod'] string The Pod name
     * $params['id'] int The field ID
     * $params['name'] string The field name
     * $params['table_info'] boolean Whether to lookup a pick field's table info
     *
     * @param array $params An associative array of parameters
     * @param boolean $strict Whether to require a field exist or not when loading the info
     *
     * @return array|bool Array with field data, false if field not found
     * @since 1.7.9
     */
    public function load_field ( $params, $strict = false ) {
        $params = (object) $params;

        if ( !isset( $params->table_info ) )
            $params->table_info = false;

        $pod = array();
        $field = array();

        if ( isset( $params->post_title ) )
            $_field = $params;
        elseif ( isset( $params->id ) && !empty( $params->id ) )
            $_field = get_post( $dumb = (int) $params->id );
        else {
            if ( !isset( $params->pod ) )
                $params->pod = '';

            if ( !isset( $params->pod_id ) )
                $params->pod_id = 0;

            if ( isset( $params->pod_data ) )
                $pod = $params->pod_data;
            else {
                $pod = $this->load_pod( array( 'name' => $params->pod, 'id' => $params->pod_id, 'table_info' => false ), false );

                if ( false === $pod ) {
                    if ( $strict )
                        return pods_error( __( 'Pod not found', 'pods' ), $this );

                    return false;
                }
            }

            $params->pod_id = $pod[ 'id' ];
            $params->pod = $pod[ 'name' ];

            if ( empty( $params->name ) && empty( $params->pod ) && empty( $params->pod_id ) )
                return pods_error( __( 'Either Field Name or Field ID / Pod ID are required', 'pods' ), $this );

            $params->name = pods_clean_name( $params->name, true, ( 'meta' == $pod[ 'storage' ] ? false : true ) );

            if ( isset( $pod[ 'fields' ][ $params->name ] ) && isset( $pod[ 'fields' ][ $params->name ][ 'id' ] ) )
                return $pod[ 'fields' ][ $params->name ];

            $field = false;

            if ( pods_api_cache() )
                $field = pods_transient_get( 'pods_field_' . $params->pod . '_' . $params->name );

            if ( empty( $field ) ) {
                $field = get_posts( array(
                    'name' => $params->name,
                    'post_type' => '_pods_field',
                    'posts_per_page' => 1,
                    'post_parent' => $params->pod_id
                ) );

                if ( empty( $field ) ) {
                    if ( $strict )
                        return pods_error( __( 'Field not found', 'pods' ), $this );

                    return false;
                }

                $_field = $field[ 0 ];

                $field = array();
            }
        }

        if ( empty( $_field ) ) {
            if ( $strict )
                return pods_error( __( 'Field not found', 'pods' ), $this );

            return false;
        }

        $_field = get_object_vars( $_field );

        if ( !isset( $pod[ 'name' ] ) && !isset( $_field[ 'pod' ] ) ) {
            if ( 0 < $_field[ 'post_parent' ] )
                $pod = $this->load_pod( array( 'id' => $_field[ 'post_parent' ], 'table_info' => false ), false );

            if ( empty( $pod ) ) {
                if ( $strict )
                    return pods_error( __( 'Pod for field not found', 'pods' ), $this );

                return false;
            }
        }

        if ( empty( $field ) ) {
            if ( pods_api_cache() && ( isset( $pod[ 'name' ] ) || isset( $_field[ 'pod' ] ) ) )
                $field = pods_transient_get( 'pods_field_' . pods_var( 'name', $pod, pods_var( 'pod', $_field ), null, true ) . '_' . $_field[ 'post_name' ] );

            if ( empty( $field ) ) {
                $defaults = array(
                    'type' => 'text'
                );

                $field = array(
                    'id' => $_field[ 'ID' ],
                    'name' => $_field[ 'post_name' ],
                    'label' => $_field[ 'post_title' ],
                    'description' => $_field[ 'post_content' ],
                    'weight' => $_field[ 'menu_order' ],
                    'pod_id' => $_field[ 'post_parent' ],
                    'pick_object' => '',
                    'pick_val' => '',
                    'sister_id' => '',
                    'table_info' => array()
                );

                if ( isset( $pod[ 'name' ] ) )
                    $field[ 'pod' ] = $pod[ 'name' ];
                elseif ( isset( $_field[ 'pod' ] ) )
                    $field[ 'pod' ] = $_field[ 'pod' ];

                $field[ 'options' ] = get_post_meta( $field[ 'id' ] );

                $options_ignore = array(
                    'method',
                    'table_info',
                    'attributes',
                    'group',
                    'grouped',
                    'developer_mode',
                    'dependency',
                    'depends-on',
                    'excludes-on'
                );

                foreach ( $options_ignore as $ignore ) {
                    if ( isset( $field[ 'options' ][ $ignore ] ) )
                        unset( $field[ 'options' ][ $ignore ] );
                }

                foreach ( $field[ 'options' ] as $option => $value ) {
                    if ( is_array( $value ) ) {
                        foreach ( $value as $k => $v ) {
                            if ( !is_array( $v ) )
                                $value[ $k ] = maybe_unserialize( $v );
                        }

                        if ( 1 == count( $value ) )
                            $value = current( $value );
                    }
                    else
                        $value = maybe_unserialize( $value );

                    $field[ 'options' ][ $option ] = $value;
                }

                $field[ 'options' ] = array_merge( $defaults, $field[ 'options' ] );

                $field[ 'type' ] = $field[ 'options' ][ 'type' ];

                unset( $field[ 'options' ][ 'type' ] );

                if ( isset( $field[ 'options' ][ 'pick_object' ] ) ) {
                    $field[ 'pick_object' ] = $field[ 'options' ][ 'pick_object' ];

                    unset( $field[ 'options' ][ 'pick_object' ] );
                }

                if ( isset( $field[ 'options' ][ 'pick_val' ] ) ) {
                    $field[ 'pick_val' ] = $field[ 'options' ][ 'pick_val' ];

                    unset( $field[ 'options' ][ 'pick_val' ] );
                }

                if ( isset( $field[ 'options' ][ 'sister_id' ] ) ) {
                    $field[ 'sister_id' ] = $field[ 'options' ][ 'sister_id' ];

                    unset( $field[ 'options' ][ 'sister_id' ] );
                }

                if ( isset( $field[ 'options' ][ 'sister_field_id' ] ) )
                    unset( $field[ 'options' ][ 'sister_field_id' ] );

                if ( pods_api_cache() && ( isset( $pod[ 'name' ] ) || isset( $_field[ 'pod' ] ) ) )
                    pods_transient_set( 'pods_field_' . pods_var( 'name', $pod, pods_var( 'pod', $_field ), null, true ) . '_' . $field[ 'name' ], $field );
            }
        }

        $field[ 'table_info' ] = array();

        if ( 'pick' == $field[ 'type' ] && $params->table_info )
            $field[ 'table_info' ] = $this->get_table_info( $field[ 'pick_object' ], $field[ 'pick_val' ], null, null, $field );

        return $field;
    }

    /**
     * Load fields by Pod, ID, Name, and/or Type
     *
     * $params['pod_id'] int The Pod ID
     * $params['pod'] string The Pod name
     * $params['id'] array The field IDs
     * $params['name'] array The field names
     * $params['type'] array The field types
     * $params['options'] array Field Option(s) key=>value array to filter by
     * $params['where'] string WHERE clause of query
     *
     * @param array $params An associative array of parameters
     * @param bool $strict  Whether to require a field exist or not when loading the info
     *
     * @return array Array of field data.
     *
     * @since 1.7.9
     */
    public function load_fields ( $params, $strict = false ) {
		// @todo Get away from using md5/serialize, I'm sure we can cache specific parts
	    $cache_key = md5( serialize( $params  ) );
	    if ( isset( $this->fields_cache[ $cache_key ] ) ) {
		    return $this->fields_cache[ $cache_key ];
	    }

        $params = (object) pods_sanitize( $params );

        if ( !isset( $params->pod ) || empty( $params->pod ) )
            $params->pod = '';

        if ( !isset( $params->pod_id ) || empty( $params->pod_id ) )
            $params->pod_id = 0;

        if ( !isset( $params->name ) || empty( $params->name ) )
            $params->name = array();
        else
            $params->name = (array) $params->name;

        if ( !isset( $params->id ) || empty( $params->id ) )
            $params->id = array();
        else {
            $params->id = (array) $params->id;

            foreach ( $params->id as &$id ) {
                $id = pods_absint( $id );
            }
        }

        if ( !isset( $params->type ) || empty( $params->type ) )
            $params->type = array();
        else
            $params->type = (array) $params->type;

        $fields = array();

        if ( !empty( $params->pod ) || !empty( $params->pod_id ) ) {
            $pod = $this->load_pod( array( 'name' => $params->pod, 'id' => $params->pod_id, 'table_info' => true ), false );

            if ( false === $pod ) {
                if ( $strict )
                    return pods_error( __( 'Pod not found', 'pods' ), $this );

                return $fields;
            }

			$pod[ 'fields' ] = array_merge( pods_var_raw( 'object_fields', $pod, array() ), $pod[ 'fields' ] );

            foreach ( $pod[ 'fields' ] as $field ) {
                if ( empty( $params->name ) && empty( $params->id ) && empty( $params->type ) )
                    $fields[ $field[ 'name' ] ] = $field;
				elseif ( in_array( $fields[ 'name' ], $params->name ) || in_array( $fields[ 'id' ], $params->id ) || in_array( $fields[ 'type' ], $params->type ) )
                    $fields[ $field[ 'name' ] ] = $field;
            }
        }
        elseif ( ( isset( $params->options ) && !empty( $params->options ) && is_array( $params->options ) ) || ( isset( $params->where ) && !empty( $params->where ) && is_array( $params->where ) ) ) {
            $order = 'ASC';
            $orderby = 'menu_order title';
            $limit = -1;
            $ids = false;

            $meta_query = array();

            if ( isset( $params->options ) && !empty( $params->options ) && is_array( $params->options ) ) {
                foreach ( $params->options as $option => $value ) {
                    if ( !is_array( $value ) )
                        $value = array( $value );

                    $value = pods_trim( $value );

                    sort( $value );

                    $meta_query[] = array(
                        'key' => $option,
                        'value' => pods_sanitize( $value ),
                        'compare' => 'IN'
                    );
                }
            }

            if ( isset( $params->where ) && !empty( $params->where ) && is_array( $params->where ) )
                $meta_query = array_merge( $meta_query, (array) $params->where );

			$args = array(
				'post_type' => '_pods_field',
				'nopaging' => true,
				'posts_per_page' => $limit,
				'order' => $order,
				'orderby' => $orderby,
				'meta_query' => $meta_query,
			);

			// Only set post__in if there are ids to filter (see https://core.trac.wordpress.org/ticket/28099)
			if ( false != $ids ) {

It seems like you are loosely comparing two booleans. Considering using the strict comparison !== instead.

				$args[ 'post__in' ] = $ids;
			}

            $fields = array();

            $_fields = get_posts( $args );

            foreach ( $_fields as $field ) {
                $field = $this->load_field( $field, false );

                if ( !empty( $field ) )
                    $fields[ $field[ 'id' ] ] = $field;
            }
        }
        else {
            if ( empty( $params->name ) && empty( $params->id ) && empty( $params->type ) )
                return pods_error( __( 'Either Field Name / Field ID / Field Type, or Pod Name / Pod ID are required', 'pods' ), $this );

            $lookup = array();

            if ( !empty( $params->name ) ) {
                $fields = implode( "', '", $params->name );

                $lookup[] = "`post_name` IN ( '{$fields}' )";
            }

            if ( !empty( $params->id ) ) {
                $fields = implode( ", ", $params->id );

                $lookup[] = "`ID` IN ( {$fields} )";
            }

            $lookup = implode( ' AND ', $lookup );

            $result = pods_query( "SELECT `ID`, `post_name`, `post_parent` FROM `@wp_posts` WHERE `post_type` = '_pods_field' AND ( {$lookup} )" );

            $fields = array();

            if ( !empty( $result ) ) {
                foreach ( $result as $field ) {
					$field = $this->load_field( array(
                        'id' => $field->ID,
                        'name' => $field->post_name,
                        'pod_id' => $field->post_parent
                    ), false );

                    if ( !empty( $field ) && ( empty( $params->type ) || in_array( $field[ 'type' ], $params->type ) ) )
                        $fields[ $field[ 'id' ] ] = $field;
                }
            }
        }
	    if ( isset( $cache_key ) ) {
		    $this->fields_cache[ $cache_key ] = $fields;
	    }
        return $fields;
    }

    /**
     * Load a Pods Object
     *
     * $params['id'] int The Object ID
     * $params['name'] string The Object name
     * $params['type'] string The Object type
     *
     * @param array|object $params An associative array of parameters
     * @param bool $strict
     *
     * @return array|bool
     * @since 2.0
     */
    public function load_object ( $params, $strict = false ) {
        if ( is_object( $params ) && isset( $params->post_title ) )
            $_object = get_object_vars( $params );
        else {
            $params = (object) pods_sanitize( $params );

            if ( !isset( $params->type ) || empty( $params->type ) )
                return pods_error( __( 'Object type is required', 'pods' ), $this );

            if ( ( !isset( $params->id ) || empty( $params->id ) ) && ( !isset( $params->name ) || empty( $params->name ) ) )
                return pods_error( __( 'Either Object ID or Name are required', 'pods' ), $this );

            /**
             * @var $wpdb wpdb
             */
            global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

            if ( isset( $params->name ) )
                $_object = pods_by_title( $params->name, ARRAY_A, '_pods_' . $params->type, 'publish' );
            else {
                $object = $params->id;

                $_object = get_post( $object, ARRAY_A );
            }

            if ( empty( $_object ) ) {
                if ( $strict )
                    return pods_error( __( 'Object not found', 'pods' ), $this );

                return false;
            }
        }

        $object = array(
            'id' => $_object[ 'ID' ],
            'name' => $_object[ 'post_title' ],
            'code' => $_object[ 'post_content' ],
            'type' => str_replace( '_pods_', '', $_object[ 'post_type' ] ),
            'slug' => $_object[ 'post_name' ]
        );

        $object[ 'options' ] = get_post_meta( $object[ 'id' ] );

        foreach ( $object[ 'options' ] as $option => &$value ) {
            if ( is_array( $value ) && 1 == count( $value ) )
                $value = current( $value );
        }

        return $object;
    }

    /**
     * Load Multiple Pods Objects
     *
     * $params['type'] string The Object type
     * $params['options'] array Pod Option(s) key=>value array to filter by
     * $params['orderby'] string ORDER BY clause of query
     * $params['limit'] string Number of objects to return
     * $params['where'] string WHERE clause of query
     * $params['ids'] string|array IDs of Objects
     *
     * @param array|object $params An associative array of parameters
     *
     * @return array
     * @since 2.0
     */
    public function load_objects ( $params ) {
        $params = (object) pods_sanitize( $params );

        if ( !isset( $params->type ) || empty( $params->type ) )
            return pods_error( __( 'Pods Object type is required', 'pods' ), $this );

        $order = 'ASC';
        $orderby = 'menu_order';
        $limit = -1;
        $ids = false;

        $meta_query = array();
        $cache_key = '';

        if ( isset( $params->options ) && !empty( $params->options ) && is_array( $params->options ) ) {
            foreach ( $params->options as $option => $value ) {
                if ( !is_array( $value ) )
                    $value = array( $value );

                $value = pods_trim( $value );

                sort( $value );

                $meta_query[] = array(
                    'key' => $option,
                    'value' => pods_sanitize( $value ),
                    'compare' => 'IN'
                );
            }
        }

        if ( isset( $params->where ) && is_array( $params->where ) )
            $meta_query = array_merge( $meta_query, (array) $params->where );

        if ( isset( $params->order ) && !empty( $params->order ) && in_array( strtoupper( $params->order ), array( 'ASC', 'DESC' ) ) )
            $order = strtoupper( $params->order );

        if ( isset( $params->orderby ) && !empty( $params->orderby ) )
            $orderby = strtoupper( $params->orderby );

        if ( isset( $params->limit ) && !empty( $params->limit ) )
            $limit = pods_absint( $params->limit );

        if ( isset( $params->ids ) && !empty( $params->ids ) ) {
            $ids = $params->ids;

            if ( !is_array( $ids ) )
                $ids = explode( ',', $ids );
        }

        if ( empty( $ids ) )
            $ids = false;

        if ( pods_api_cache() && empty( $meta_query ) && empty( $limit ) && ( empty( $orderby ) || 'menu_order' == $orderby ) && empty( $ids ) ) {
            $cache_key = 'pods_objects_' . $params->type;

            $the_objects = pods_transient_get( $cache_key );

            if ( false !== $the_objects )
                return $the_objects;
        }

        $the_objects = array();

		$args = array(
			'post_type' => '_pods_' . $params->type,
			'nopaging' => true,
			'posts_per_page' => $limit,
			'order' => $order,
			'orderby' => $orderby,
			'meta_query' => $meta_query,
		);

		// Only set post__in if there are ids to filter (see https://core.trac.wordpress.org/ticket/28099)
		if ( false != $ids ) {
			$args[ 'post__in' ] = $ids;
		}

		$objects = get_posts( $args );

        foreach ( $objects as $object ) {
            $object = $this->load_object( $object );

            $the_objects[ $object[ 'name' ] ] = $object;
        }

        if ( pods_api_cache() && !empty( $cache_key ) )
            pods_transient_set( $cache_key, $the_objects );

        return $the_objects;
    }

    /**
     * @see PodsAPI::load_object
     *
     * Load a Pod Template
     *
     * $params['id'] int The template ID
     * $params['name'] string The template name
     *
     * @param array $params An associative array of parameters
     *
     * @return array|bool
     * @since 1.7.9
     */
    public function load_template ( $params ) {
        if ( !class_exists( 'Pods_Templates' ) )
            return false;

        $params = (object) $params;
        $params->type = 'template';
        return $this->load_object( $params );
    }

    /**
     * @see PodsAPI::load_objects
     *
     * Load Multiple Pod Templates
     *
     * $params['where'] string The WHERE clause of query
     * $params['options'] array Pod Option(s) key=>value array to filter by
     * $params['orderby'] string ORDER BY clause of query
     * $params['limit'] string Number of templates to return
     *
     * @param array $params (optional) An associative array of parameters
     *
     * @return array
     *
     * @since 2.0
     */
    public function load_templates ( $params = null ) {
        if ( !class_exists( 'Pods_Templates' ) )
            return array();

        $params = (object) $params;
        $params->type = 'template';
        return $this->load_objects( $params );
    }

    /**
     * @see PodsAPI::load_object
     *
     * Load a Pod Page
     *
     * $params['id'] int The page ID
     * $params['name'] string The page URI
     *
     * @param array $params An associative array of parameters
     *
     * @return array|bool
     *
     * @since 1.7.9
     */
    public function load_page ( $params ) {
        if ( !class_exists( 'Pods_Pages' ) )
            return false;

        $params = (object) $params;
        if ( !isset( $params->name ) && isset( $params->uri ) ) {
            $params->name = $params->uri;
            unset( $params->uri );
        }
        $params->type = 'page';
        return $this->load_object( $params );
    }

    /**
     * @see PodsAPI::load_objects
     *
     * Load Multiple Pod Pages
     *
     * $params['where'] string The WHERE clause of query
     * $params['options'] array Pod Option(s) key=>value array to filter by
     * $params['orderby'] string ORDER BY clause of query
     * $params['limit'] string Number of pages to return
     *
     * @param array $params (optional) An associative array of parameters
     *
     * @return array
     *
     * @since 2.0
     */
    public function load_pages ( $params = null ) {
        if ( !class_exists( 'Pods_Pages' ) )
            return array();

        $params = (object) $params;
        $params->type = 'page';
        return $this->load_objects( $params );
    }

    /**
     * @see PodsAPI::load_object
     *
     * Load a Pod Helper
     *
     * $params['id'] int The helper ID
     * $params['name'] string The helper name
     *
     * @param array $params An associative array of parameters
     *
     * @return array|bool
     *
     * @since 1.7.9
     */
    public function load_helper ( $params ) {

This method seems to be duplicated in your project.

        if ( !class_exists( 'Pods_Helpers' ) )
            return false;

        $params = (object) $params;
        $params->type = 'helper';
        return $this->load_object( $params );
    }

    /**
     * @see PodsAPI::load_objects
     *
     * Load Multiple Pod Helpers
     *
     * $params['where'] string The WHERE clause of query
     * $params['options'] array Pod Option(s) key=>value array to filter by
     * $params['orderby'] string ORDER BY clause of query
     * $params['limit'] string Number of pages to return
     *
     * @param array $params (optional) An associative array of parameters
     *
     * @return array
     *
     * @since 2.0
     */
    public function load_helpers ( $params = null ) {

This method seems to be duplicated in your project.

        if ( !class_exists( 'Pods_Helpers' ) )
            return array();

        $params = (object) $params;
        $params->type = 'helper';
        return $this->load_objects( $params );
    }

    /**
     * Load the pod item object
     *
     * $params['pod'] string The datatype name
     * $params['id'] int (optional) The item's ID
     *
     * @param array $params An associative array of parameters
     *
     * @return bool|\Pods
     *
     * @uses pods()
     *
     * @since 2.0
     */
    public function load_pod_item ( $params ) {
        $params = (object) pods_sanitize( $params );

        if ( !isset( $params->pod ) || empty( $params->pod ) )
            return pods_error( __( 'Pod name required', 'pods' ), $this );
        if ( !isset( $params->id ) || empty( $params->id ) )
            return pods_error( __( 'Item ID required', 'pods' ), $this );

        $pod = false;

        if ( pods_api_cache() )
            $pod = pods_cache_get( $params->id, 'pods_item_object_' . $params->pod );

        if ( false !== $pod )
            return $pod;

        $pod = pods( $params->pod, $params->id );

        if ( pods_api_cache() )
            pods_cache_set( $params->id, $pod, 'pods_item_object_' . $params->pod );

        return $pod;
    }

    /**
     * Load potential sister fields for a specific field
     *
     * $params['pod'] int The Pod name
     * $params['related_pod'] string The related Pod name
     *
     * @param array $params An associative array of parameters
     * @param array $pod (optional) Array of Pod data to use (to avoid lookup)
     *
     * @return array|bool
     *
     * @since 1.7.9
     *
     * @uses PodsAPI::load_pod
     */
    public function load_sister_fields ( $params, $pod = null ) {
        $params = (object) pods_sanitize( $params );

        if ( empty( $pod ) ) {
            $pod = $this->load_pod( array( 'name' => $params->pod, 'table_info' => false ), false );

            if ( false === $pod )
                return pods_error( __( 'Pod not found', 'pods' ), $this );
        }

        $params->pod_id = $pod[ 'id' ];
        $params->pod = $pod[ 'name' ];

        $type = false;

        if ( 0 === strpos( $params->related_pod, 'pod-' ) ) {
            $params->related_pod = pods_str_replace( 'pod-', '', $params->related_pod, 1 );
            $type = 'pod';
        }
        elseif ( 0 === strpos( $params->related_pod, 'post_type-' ) ) {
            $params->related_pod = pods_str_replace( 'post_type-', '', $params->related_pod, 1 );
            $type = 'post_type';
        }
        elseif ( 0 === strpos( $params->related_pod, 'taxonomy-' ) ) {
            $params->related_pod = pods_str_replace( 'taxonomy-', '', $params->related_pod, 1 );
            $type = 'taxonomy';
        }

        $related_pod = $this->load_pod( array( 'name' => $params->related_pod, 'table_info' => false ), false );

        if ( false === $related_pod || ( false !== $type && 'pod' != $type && $type != $related_pod[ 'type' ] ) )
            return pods_error( __( 'Related Pod not found', 'pods' ), $this );

        $params->related_pod_id = $related_pod[ 'id' ];
        $params->related_pod = $related_pod[ 'name' ];

        $sister_fields = array();

        foreach ( $related_pod[ 'fields' ] as $field ) {
            if ( 'pick' == $field[ 'type' ] && in_array( $field[ 'pick_object' ], array( $pod[ 'type' ], 'pod' ) ) && ( $params->pod == $field[ 'pick_object' ] || $params->pod == $field[ 'pick_val' ] ) )
                $sister_fields[ $field[ 'id' ] ] = esc_html( $field[ 'label' ] . ' (' . $field[ 'name' ] . ')' );
        }

        return $sister_fields;
    }

    /**
     * Takes a sql field such as tinyint and returns the pods field type, such as num.
     *
     * @param string $sql_field The SQL field to look for
     *
     * @return string The field type
     *
     * @since 2.0
     */
    public static function detect_pod_field_from_sql_data_type ( $sql_field ) {
        $sql_field = strtolower( $sql_field );

        $field_to_field_map = array(
            'tinyint' => 'number',
            'smallint' => 'number',
            'mediumint' => 'number',
            'int' => 'number',
            'bigint' => 'number',
            'float' => 'number',
            'double' => 'number',
            'decimal' => 'number',
            'date' => 'date',
            'datetime' => 'datetime',
            'timestamp' => 'datetime',
            'time' => 'time',
            'year' => 'date',
            'varchar' => 'text',
            'text' => 'paragraph',
            'mediumtext' => 'paragraph',
            'longtext' => 'paragraph'
        );

        return ( array_key_exists( $sql_field, $field_to_field_map ) ) ? $field_to_field_map[ $sql_field ] : 'paragraph';
    }

    /**
     * Gets all field types
     *
     * @return array Array of field types
     *
     * @uses PodsForm::field_loader
     *
     * @since 2.0
     * @deprecated
     */
    public function get_field_types () {
        return PodsForm::field_types();
    }

    /**
     * Gets the schema definition of a field.
     *
     * @param string $type Field type to look for
     * @param array $options (optional) Options of the field to pass to the schema function.
     *
     * @return array|bool|mixed|null
     *
     * @since 2.0
     */
    private function get_field_definition ( $type, $options = null ) {
        $definition = PodsForm::field_method( $type, 'schema', $options );

        return $this->do_hook( 'field_definition', $definition, $type, $options );
    }

    /**
     * @see PodsForm:validate
     *
     * Validates the value of a field.
     *
     * @param mixed $value The value to validate
     * @param string $field Field to use for validation
     * @param array $object_fields Fields of the object we're validating
     * @param array $fields Array of all fields data
     * @param array|Pods $pod Array of pod data (or Pods object)
     * @param array|object $params Extra parameters to pass to the validation function of the field.
     *
     * @return array|bool
     *
     * @uses PodsForm::validate
     *
     * @since 2.0
     */
    public function handle_field_validation ( &$value, $field, $object_fields, $fields, $pod, $params ) {
        $tableless_field_types = PodsForm::tableless_field_types();

        $fields = array_merge( $fields, $object_fields );

        $options = $fields[ $field ];

        $id = ( is_object( $params ) ? $params->id : ( is_object( $pod ) ? $pod->id() : 0 ) );

        if ( is_object( $pod ) )
            $pod = $pod->pod_data;

        $type = $options[ 'type' ];
        $label = $options[ 'label' ];
        $label = empty( $label ) ? $field : $label;

        // Verify required fields
        if ( 1 == pods_var( 'required', $options[ 'options' ], 0 ) && 'slug' != $type ) {
            if ( '' == $value || null === $value || array() === $value )
                return pods_error( sprintf( __( '%s is empty', 'pods' ), $label ), $this );

            if ( 'multi' == pods_var( 'pick_format_type', $options[ 'options' ] ) && 'autocomplete' != pods_var( 'pick_format_multi', $options[ 'options' ] ) ) {
                $has_value = false;

                $check_value = (array) $value;

                foreach ( $check_value as $val ) {
                    if ( '' != $val && null !== $val && 0 !== $val && '0' !== $val ) {
                        $has_value = true;

                        continue;
                    }
                }

                if ( !$has_value )
                    return pods_error( sprintf( __( '%s is required', 'pods' ), $label ), $this );
            }

        }

        // @todo move this to after pre-save preparations
        // Verify unique fields
        if ( 1 == pods_var( 'unique', $options[ 'options' ], 0 ) && '' !== $value && null !== $value && array() !== $value ) {
            if ( empty( $pod ) )
                return false;

            if ( !in_array( $type, $tableless_field_types ) ) {
                $exclude = '';

                if ( !empty( $id ) )
                    $exclude = "AND `id` != {$id}";

                $check = false;

                $check_value = pods_sanitize( $value );

                // @todo handle meta-based fields
                // Trigger an error if not unique
                if ( 'table' == $pod[ 'storage' ] )
                    $check = pods_query( "SELECT `id` FROM `@wp_pods_" . $pod[ 'name' ] . "` WHERE `{$field}` = '{$check_value}' {$exclude} LIMIT 1", $this );

                if ( !empty( $check ) )
                    return pods_error( sprintf( __( '%s needs to be unique', 'pods' ), $label ), $this );
            }
            else {

This else statement is empty and can be removed.

                // @todo handle tableless check
            }
        }

        $validate = PodsForm::validate( $options[ 'type' ], $value, $field, array_merge( $options, pods_var( 'options', $options, array() ) ), $fields, $pod, $id, $params );

        $validate = $this->do_hook( 'field_validation', $validate, $value, $field, $object_fields, $fields, $pod, $params );

        return $validate;
    }

    /**
     * Find items related to a parent field
     *
     * @param int $field_id The Field ID
     * @param int $pod_id The Pod ID
     * @param mixed $ids A comma-separated string (or array) of item IDs
     * @param array $field Field data array
     * @param array $pod Pod data array
     *
     * @return array
     *
     * @since 2.0
     *
     * @uses pods_query()
     */
    public function lookup_related_items ( $field_id, $pod_id, $ids, $field = null, $pod = null ) {
        $related_ids = array();

        if ( !is_array( $ids ) )
            $ids = explode( ',', $ids );

        foreach ( $ids as $k => $id ) {
            $ids[ $k ] = (int) $id;
        }

        $ids = array_unique( array_filter( $ids ) );

	    $idstring = implode( ',', $ids );
	    if ( 0 != $pod_id && 0 != $field_id && isset( self::$related_item_cache[ $pod_id ][ $field_id ][ $idstring ] ) ) {
		    // Check cache first, no point in running the same query multiple times
		    return self::$related_item_cache[ $pod_id ][ $field_id ][ $idstring ];
	    }

        $tableless_field_types = PodsForm::tableless_field_types();

		$field_type = pods_v( 'type', $field );

        if ( empty( $ids ) || !in_array( $field_type, $tableless_field_types ) )
            return array();

        $related_pick_limit = 0;

		if ( empty( $field ) ) {
			$field = $this->load_field( array( 'id' => $field_id ) );
		}

        if ( !empty( $field ) ) {
            $options = (array) pods_var_raw( 'options', $field, $field, null, true );

            $related_pick_limit = (int) pods_v( $field_type . '_limit', $options, 0 );

            if ( 'single' == pods_var_raw( $field_type . '_format_type', $options ) )
                $related_pick_limit = 1;

            // Temporary hack until there's some better handling here
            $related_pick_limit = $related_pick_limit * count( $ids );
        }

		if ( 'taxonomy' == $field_type ) {
			$related = wp_get_object_terms( $ids, pods_v( 'name', $field ), array( 'fields' => 'ids' ) );

			if ( !is_wp_error( $related ) ) {
				$related_ids = $related;
			}
		}
		elseif ( !pods_tableless() ) {
            $ids = implode( ', ', $ids );

            $field_id = (int) $field_id;
            $sister_id = (int) pods_var_raw( 'sister_id', $field, 0 );

            $related_where = "
                `field_id` = {$field_id}
                AND `item_id` IN ( {$ids} )
            ";

            $sql = "
                SELECT item_id, related_item_id, related_field_id
                FROM `@wp_podsrel`
                WHERE
                    {$related_where}
                ORDER BY `weight`
            ";

            $relationships = pods_query( $sql );

            if ( !empty( $relationships ) ) {
                foreach ( $relationships as $relation ) {
                    if ( !in_array( $relation->related_item_id, $related_ids ) )
                        $related_ids[] = (int) $relation->related_item_id;
                    elseif ( 0 < $sister_id && $field_id == $relation->related_field_id && !in_array( $relation->item_id, $related_ids ) )
                        $related_ids[] = (int) $relation->item_id;
                }
            }
        }
        else {
            if ( !is_array( $pod ) )
                $pod = $this->load_pod( array( 'id' => $pod_id, 'table_info' => false ), false );

            if ( !empty( $pod ) && in_array( $pod[ 'type' ], array( 'post_type', 'media', 'taxonomy', 'user', 'comment', 'settings' ) ) ) {
                $meta_type = $pod[ 'type' ];

                if ( in_array( $meta_type, array( 'post_type', 'media' ) ) )
                    $meta_type = 'post';
                elseif ( 'taxonomy' == $meta_type )
                    $meta_type = 'term';

                $no_conflict = pods_no_conflict_check( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );

                if ( !$no_conflict )
                    pods_no_conflict_on( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );

                foreach ( $ids as $id ) {
                    if ( 'settings' == $meta_type ) {
                        $related_id = get_option( '_pods_' . $pod[ 'name' ] . '_' . $field[ 'name' ] );

                        if ( empty( $related_id ) )
                            $related_id = get_option( $pod[ 'name' ] . '_' . $field[ 'name' ] );

                        if ( is_array( $related_id ) && !empty( $related_id ) ) {
                            foreach ( $related_id as $related ) {
                                if ( is_array( $related ) && !empty( $related ) ) {
                                    if ( isset( $related[ 'id' ] ) )
                                        $related_ids[] = (int) $related[ 'id' ];
                                    else {
                                        foreach ( $related as $r ) {
                                            $related_ids[] = (int) $r;
                                        }
                                    }
                                }
                                else
                                    $related_ids[] = (int) $related;
                            }
                        }
                    }
                    else {
                        $related_id = get_metadata( $meta_type, $id, '_pods_' . $field[ 'name' ], true );

                        if ( empty( $related_id ) )
                            $related_id = get_metadata( $meta_type, $id, $field[ 'name' ] );

                        if ( is_array( $related_id ) && !empty( $related_id ) ) {
                            foreach ( $related_id as $related ) {
                                if ( is_array( $related ) && !empty( $related ) ) {
                                    if ( isset( $related[ 'id' ] ) )
                                        $related_ids[] = (int) $related[ 'id' ];
                                    else {
                                        foreach ( $related as $r ) {
                                            if ( isset( $related[ 'id' ] ) )
                                                $related_ids[] = (int) $r[ 'id' ];
                                            else
                                                $related_ids[] = (int) $r;
                                        }
                                    }
                                }
                                else
                                    $related_ids[] = (int) $related;
                            }
                        }
                    }
                }

                if ( !$no_conflict )
                    pods_no_conflict_off( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );
            }
        }

        if ( is_array( $related_ids ) ) {
            $related_ids = array_unique( array_filter( $related_ids ) );

            if ( 0 < $related_pick_limit && !empty( $related_ids ) )
                $related_ids = array_slice( $related_ids, 0, $related_pick_limit );
        }
	    if ( 0 != $pod_id && 0 != $field_id && ! empty( $related_ids ) ) {
                    // Only cache if $pod_id and $field_id were passed
		    self::$related_item_cache[ $pod_id ][ $field_id ][ $idstring ] = $related_ids;
	    }

        return $related_ids;
    }

    /**
     * Find related items related to an item
     *
     * @param int $field_id The Field ID
     * @param int $pod_id The Pod ID
     * @param int $id Item ID to get related IDs from
     * @param array $field Field data array
     * @param array $pod Pod data array
     *
     * @return array|bool
     *
     * @since 2.3
     *
     * @uses pods_query()
     */
    public function lookup_related_items_from ( $field_id, $pod_id, $id, $field = null, $pod = null ) {

The parameter $pod_id is not used and could be removed.

The parameter $pod is not used and could be removed.

        $related_ids = false;

        $id = (int) $id;

        $tableless_field_types = PodsForm::tableless_field_types();

        if ( empty( $id ) || !in_array( pods_v( 'type', $field ), $tableless_field_types ) )
            return false;

        $related_pick_limit = 0;

        if ( !empty( $field ) ) {
            $options = (array) pods_var_raw( 'options', $field, $field, null, true );

            $related_pick_limit = (int) pods_v( 'pick_limit', $options, 0 );

            if ( 'single' == pods_var_raw( 'pick_format_type', $options ) )
                $related_pick_limit = 1;
        }

        if ( !pods_tableless() ) {
            $field_id = (int) $field_id;
            $sister_id = (int) pods_var_raw( 'sister_id', $field, 0 );

            $related_where = "
                `field_id` = {$field_id}
                AND `related_item_id` = {$id}
            ";

            $sql = "
                SELECT *
                FROM `@wp_podsrel`
                WHERE
                    {$related_where}
                ORDER BY `weight`
            ";

            $relationships = pods_query( $sql );

            if ( !empty( $relationships ) ) {
                $related_ids = array();

                foreach ( $relationships as $relation ) {
                    if ( $field_id == $relation->field_id && !in_array( $relation->item_id, $related_ids ) )
                        $related_ids[] = (int) $relation->item_id;
                    elseif ( 0 < $sister_id && $field_id == $relation->related_field_id && !in_array( $relation->related_item_id, $related_ids ) )
                        $related_ids[] = (int) $relation->related_item_id;
                }
            }
        }
        else {
            // @todo handle meta-based lookups
            return false;

            if ( !is_array( $pod ) )

if (!is_array($pod)) { $pod = $this->load_pod(array('id' => $pod_id, 'table_info' => false), false); } does not seem to be reachable.

The variable $pod seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                $pod = $this->load_pod( array( 'id' => $pod_id, 'table_info' => false ), false );

            if ( !empty( $pod ) && in_array( $pod[ 'type' ], array( 'post_type', 'media', 'taxonomy', 'user', 'comment', 'settings' ) ) ) {

The variable $pod seems only to be defined at a later point. As such the call to empty() seems to always evaluate to true.

                $related_ids = array();

                $meta_type = $pod[ 'type' ];

                if ( in_array( $meta_type, array( 'post_type', 'media' ) ) )

The variable $meta_type seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                    $meta_type = 'post';
                elseif ( 'taxonomy' == $meta_type )

The variable $meta_type seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                    $meta_type = 'term';

                $no_conflict = pods_no_conflict_check( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );

                if ( !$no_conflict )

The variable $no_conflict seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                    pods_no_conflict_on( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );

                if ( 'settings' == $meta_type ) {

The variable $meta_type seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                    $related_id = get_option( '_pods_' . $pod[ 'name' ] . '_' . $field[ 'name' ] );

                    if ( empty( $related_id ) )

The variable $related_id seems only to be defined at a later point. As such the call to empty() seems to always evaluate to true.

                        $related_id = get_option( $pod[ 'name' ] . '_' . $field[ 'name' ] );

                    if ( is_array( $related_id ) && !empty( $related_id ) ) {
                        foreach ( $related_id as $related ) {
                            if ( is_array( $related ) && !empty( $related ) ) {
                                if ( isset( $related[ 'id' ] ) )
                                    $related_ids[] = (int) $related[ 'id' ];
                                else {
                                    foreach ( $related as $r ) {
                                        $related_ids[] = (int) $r;
                                    }
                                }
                            }
                            else
                                $related_ids[] = (int) $related;
                        }
                    }
                }
                else {
                    $related_id = get_metadata( $meta_type, $id, '_pods_' . $field[ 'name' ], true );

                    if ( empty( $related_id ) )

The variable $related_id seems only to be defined at a later point. As such the call to empty() seems to always evaluate to true.

                        $related_id = get_metadata( $meta_type, $id, $field[ 'name' ] );

                    if ( is_array( $related_id ) && !empty( $related_id ) ) {
                        foreach ( $related_id as $related ) {
                            if ( is_array( $related ) && !empty( $related ) ) {
                                if ( isset( $related[ 'id' ] ) )
                                    $related_ids[] = (int) $related[ 'id' ];
                                else {
                                    foreach ( $related as $r ) {
                                        if ( isset( $related[ 'id' ] ) )
                                            $related_ids[] = (int) $r[ 'id' ];
                                        else
                                            $related_ids[] = (int) $r;
                                    }
                                }
                            }
                            else
                                $related_ids[] = (int) $related;
                        }
                    }
                }

                if ( !$no_conflict )

The variable $no_conflict seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition?

                    pods_no_conflict_off( ( 'term' == $meta_type ? 'taxonomy' : $meta_type ) );
            }
        }

        if ( is_array( $related_ids ) )
            $related_ids = array_unique( array_filter( $related_ids ) );

        return $related_ids;
    }

	/**
	 *
	 * Load the information about an objects MySQL table
	 *
	 * @param $object_type
	 * @param string $object The object to look for
	 * @param null $name (optional) Name of the pod to load
	 * @param array $pod (optional) Array with pod information
	 *
	 * @return array
	 *
	 * @since 2.5
	 */
	public function get_table_info_load ( $object_type, $object, $name = null, $pod = null ) {

		$info = array();

		if ( 'pod' == $object_type && null === $pod ) {
			if ( empty( $name ) ) {
				$prefix = 'pod-';

				// Make sure we actually have the prefix before trying anything with the name
				if ( 0 === strpos( $object_type, $prefix ) )
					$name = substr( $object_type, strlen( $prefix ), strlen( $object_type ) );
			}

			if ( empty( $name ) && !empty( $object ) )
				$name = $object;

			$pod = $this->load_pod( array( 'name' => $name, 'table_info' => false ), false );

			if ( !empty( $pod ) ) {
				$object_type = $pod[ 'type' ];
				$name = $pod[ 'name' ];
				$object = $pod[ 'object' ];

				$info[ 'pod' ] = $pod;
			}
		}
		elseif ( null === $pod ) {
			if ( empty( $name ) ) {
				$prefix = $object_type . '-';

				// Make sure we actually have the prefix before trying anything with the name
				if ( 0 === strpos( $object_type, $prefix ) )
					$name = substr( $object_type, strlen( $prefix ), strlen( $object_type ) );
			}

			if ( empty( $name ) && !empty( $object ) )
				$name = $object;

			if ( !empty( $name ) ) {
				$pod = $this->load_pod( array( 'name' => $name, 'table_info' => false ), false );

				if ( !empty( $pod ) && ( null === $object_type || $object_type == $pod[ 'type' ] ) ) {
					$object_type = $pod[ 'type' ];
					$name = $pod[ 'name' ];
					$object = $pod[ 'object' ];

					$info[ 'pod' ] = $pod;
				}
			}
		}
		elseif ( !empty( $pod ) )
			$info[ 'pod' ] = $pod;

		if ( 0 === strpos( $object_type, 'pod' ) ) {
			if ( empty( $name ) ) {
				$prefix = 'pod-';

				// Make sure we actually have the prefix before trying anything with the name
				if ( 0 === strpos( $object_type, $prefix ) )
					$name = substr( $object_type, strlen( $prefix ), strlen( $object_type ) );
			}

			$info[ 'type' ] = 'pod';
			global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

			$info[ 'table' ] = $info[ 'meta_table' ] = $wpdb->prefix . 'pods_' . ( empty( $object ) ? $name : $object );

			if ( is_array( $info[ 'pod' ] ) && 'pod' == pods_v( 'type', $info[ 'pod' ] ) ) {
				$info[ 'pod_field_index' ] = $info[ 'field_index' ] = $info[ 'meta_field_index' ] = $info[ 'meta_field_value' ] = pods_v( 'pod_index', $info[ 'pod' ][ 'options' ], 'id', true );

				$slug_field = get_posts( array(
					'post_type' => '_pods_field',
					'posts_per_page' => 1,
					'nopaging' => true,
					'post_parent' => $info[ 'pod' ][ 'id' ],
					'orderby' => 'menu_order',
					'order' => 'ASC',
					'meta_query' => array(
						array(
							'key' => 'type',
							'value' => 'slug',
						)
					)
				) );

				if ( !empty( $slug_field ) ) {
					$slug_field = $slug_field[ 0 ];

					$info[ 'field_slug' ] = $info[ 'pod_field_slug' ] = $slug_field->post_name;
				}

				if ( 1 == pods_v( 'hierarchical', $info[ 'pod' ][ 'options' ], 0 ) ) {
					$parent_field = pods_v( 'pod_parent', $info[ 'pod' ][ 'options' ], 'id', true );

					if ( !empty( $parent_field ) && isset( $info[ 'pod' ][ 'fields' ][ $parent_field ] ) ) {
						$info[ 'object_hierarchical' ] = true;

						$info[ 'pod_field_parent' ] = $info[ 'field_parent' ] = $parent_field . '_select';
						$info[ 'field_parent_select' ] = '`' . $parent_field . '`.`id` AS `' . $info[ 'field_parent' ] . '`';
					}
				}
			}
		}
		return $info;
	}

    /**
     * Get information about an objects MySQL table
     *
     * @param string $object_type
     * @param string $object The object to look for
     * @param null $name (optional) Name of the pod to load
     * @param array $pod (optional) Array with pod information
     * @param array $field (optional) Array with field information
     *
     * @return array|bool
     *
     * @since 2.0
     */
    public function get_table_info ( $object_type, $object, $name = null, $pod = null, $field = null ) {

	    /**
	     * @var $wpdb                         wpdb
	     * @var $sitepress                    SitePress
	     * @var $icl_adjust_id_url_filter_off boolean
	     * @var $polylang                     object
	     */
        global $wpdb, $sitepress, $icl_adjust_id_url_filter_off, $polylang;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

		// @todo Handle $object arrays for Post Types, Taxonomies, Comments (table pulled from first object in array)

        $info = array(
            //'select' => '`t`.*',

67% of this comment could be valid code. Did you maybe forget this after debugging?

            'object_type' => $object_type,
            'type' => null,
            'object_name' => $object,
            'object_hierarchical' => false,

            'table' => $object,
            'meta_table' => $object,
            'pod_table' => $wpdb->prefix . 'pods_' . ( empty( $object ) ? $name : $object ),

            'field_id' => 'id',
            'field_index' => 'name',
            'field_slug' => null,
            'field_type' => null,
            'field_parent' => null,
            'field_parent_select' => null,

            'meta_field_id' => 'id',
            'meta_field_index' => 'name',
            'meta_field_value' => 'name',

            'pod_field_id' => 'id',
            'pod_field_index' => 'name',
            'pod_field_slug' => null,
            'pod_field_parent' => null,

            'join' => array(),

            'where' => null,
            'where_default' => null,

            'orderby' => null,

            'pod' => null,
            'recurse' => false
        );

        if ( empty( $object_type ) ) {
            $object_type = 'post_type';
            $object = 'post';
        }
	    elseif ( empty( $object ) && in_array( $object_type, array( 'user', 'media', 'comment' ) ) ) {
		    $object = $object_type;
	    }

        $pod_name = $pod;

        if ( is_array( $pod_name ) )
            $pod_name = pods_var_raw( 'name', $pod_name, ( version_compare( PHP_VERSION, '5.4.0', '>=' ) ? json_encode( $pod_name, JSON_UNESCAPED_UNICODE ) : json_encode( $pod_name ) ), null, true );

The call to json_encode() has too many arguments starting with JSON_UNESCAPED_UNICODE.

	    else {
		    $pod_name = $object;
	    }

        $field_name = $field;

        if ( is_array( $field_name ) )
            $field_name = pods_var_raw( 'name', $field_name, ( version_compare( PHP_VERSION, '5.4.0', '>=' ) ? json_encode( $pod_name, JSON_UNESCAPED_UNICODE ) : json_encode( $field_name ) ), null, true );

The call to json_encode() has too many arguments starting with JSON_UNESCAPED_UNICODE.

        $transient = 'pods_' . $wpdb->prefix . '_get_table_info_' . md5( $object_type . '_object_' . $object . '_name_' . $name . '_pod_' . $pod_name . '_field_' . $field_name );

        $current_language = false;
        $current_language_t_id = $current_language_tt_id = 0;

	    // Get current language data
		$lang_data = self::get_current_language();

	    if ( $lang_data ) {

The expression $lang_data of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

		    if ( ! empty( $lang_data['language'] ) ) {
			    $current_language = $lang_data['language'];
		    }

		    if ( ! empty( $lang_data['t_id'] ) ) {
			    $current_language_t_id = $lang_data['t_id'];
		    }

		    if ( ! empty( $lang_data['t_id'] ) ) {
			    $current_language_tt_id = $lang_data['tt_id'];
		    }
	    }

        if ( !empty( $current_language ) )
            $transient = 'pods_' . $wpdb->prefix . '_get_table_info_' . $current_language . '_' . md5( $object_type . '_object_' . $object . '_name_' . $name . '_pod_' . $pod_name . '_field_' . $field_name );

        $_info = false;

	    if ( isset( self::$table_info_cache[ $transient ] ) ) {
		    // Prefer info from the object internal cache
		    $_info = self::$table_info_cache[ $transient ];
	    } elseif ( pods_api_cache() ) {
		    $_info = pods_transient_get( $transient );
		    if ( false === $_info && ! did_action( 'init' ) ) {
			    $_info = pods_transient_get( $transient . '_pre_init' );
		    }
	    }

	    if ( false !== $_info ) {
		    // Data was cached, use that
		    $info = $_info;
	    } else {
	        // Data not cached, load it up
		    $_info = $this->get_table_info_load( $object_type, $object, $name, $pod );
		    if ( isset( $_info[ 'type' ] ) ) {
			    // Allow function to override $object_type
			    $object_type = $_info[ 'type' ];
		    }
		    $info = array_merge( $info, $_info );
	    }

	    if ( 0 === strpos( $object_type, 'post_type' ) || 'media' == $object_type || in_array( pods_var_raw( 'type', $info[ 'pod' ] ), array( 'post_type', 'media' ) ) ) {
		    $info[ 'table' ] = $wpdb->posts;
		    $info[ 'meta_table' ] = $wpdb->postmeta;

		    $info[ 'field_id' ] = 'ID';
		    $info[ 'field_index' ] = 'post_title';
		    $info[ 'field_slug' ] = 'post_name';
		    $info[ 'field_type' ] = 'post_type';
		    $info[ 'field_parent' ] = 'post_parent';
		    $info[ 'field_parent_select' ] = '`t`.`' . $info[ 'field_parent' ] . '`';

		    $info[ 'meta_field_id' ] = 'post_id';
		    $info[ 'meta_field_index' ] = 'meta_key';
		    $info[ 'meta_field_value' ] = 'meta_value';

		    if ( 'media' == $object_type )
			    $object = 'attachment';

		    if ( empty( $name ) ) {
			    $prefix = 'post_type-';

			    // Make sure we actually have the prefix before trying anything with the name
			    if ( 0 === strpos( $object_type, $prefix ) )
				    $name = substr( $object_type, strlen( $prefix ), strlen( $object_type ) );
		    }

		    if ( 'media' != $object_type )
			    $object_type = 'post_type';

		    $post_type = pods_sanitize( ( empty( $object ) ? $name : $object ) );

		    if ( 'attachment' == $post_type || 'media' == $object_type )
			    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_media';
		    else
			    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_' . pods_clean_name( $post_type, true, false );

		    $post_type_object = get_post_type_object( $post_type );

		    if ( is_object( $post_type_object ) && $post_type_object->hierarchical )
			    $info[ 'object_hierarchical' ] = true;

		    /**
		     * Default Post Status to query for.
		     *
		     * Use to change "default" post status from publish to any other status or statuses.
		     *
		     * @param  array $post_status List of post statuses. Default is 'publish'
		     * @param  string $post_type Post type of current object
		     * @param  array $info Array of information about the object.
		     * @param  string $object	Type of object
		     * @param  string $name Name of pod to load
		     * @param  array $pod Array with Pod information. Result of PodsAPI::load_pod()
		     * @param  array $field		Array with field information
		     *
		     * @since unknown
		     */
		    $post_status = apply_filters( 'pods_api_get_table_info_default_post_status', array( 'publish' ), $post_type, $info, $object_type, $object, $name, $pod, $field );

		    $info[ 'where' ] = array(
			    //'post_status' => '`t`.`post_status` IN ( "inherit", "publish" )', // @todo Figure out what statuses Attachments can be

58% of this comment could be valid code. Did you maybe forget this after debugging?

			    'post_type' => '`t`.`' . $info[ 'field_type' ] . '` = "' . $post_type . '"'
		    );

		    if ( 'post_type' == $object_type )
			    $info[ 'where_default' ] = '`t`.`post_status` IN ( "' . implode( '", "', $post_status ) . '" )';

		    $info[ 'orderby' ] = '`t`.`menu_order`, `t`.`' . $info[ 'field_index' ] . '`, `t`.`post_date`';

		    // WPML support
		    if ( is_object( $sitepress ) && $sitepress->is_translated_post_type( $post_type ) && !$icl_adjust_id_url_filter_off ) {
			    $info[ 'join' ][ 'wpml_translations' ] = "
                        LEFT JOIN `{$wpdb->prefix}icl_translations` AS `wpml_translations`
                            ON `wpml_translations`.`element_id` = `t`.`ID`
                                AND `wpml_translations`.`element_type` = 'post_{$post_type}'
                                AND `wpml_translations`.`language_code` = '{$current_language}'
                    ";

			    $info[ 'join' ][ 'wpml_languages' ] = "
                        LEFT JOIN `{$wpdb->prefix}icl_languages` AS `wpml_languages`
                            ON `wpml_languages`.`code` = `wpml_translations`.`language_code` AND `wpml_languages`.`active` = 1
                    ";

			    $info[ 'where' ][ 'wpml_languages' ] = "`wpml_languages`.`code` IS NOT NULL";
		    }
		    // Polylang support
		    elseif( ( function_exists( 'PLL' ) || is_object( $polylang ) ) && !empty( $current_language ) && function_exists( 'pll_is_translated_post_type' ) && pll_is_translated_post_type( $post_type ) ) {
			    $info[ 'join' ][ 'polylang_languages' ] = "
                        LEFT JOIN `{$wpdb->term_relationships}` AS `polylang_languages`
                            ON `polylang_languages`.`object_id` = `t`.`ID`
                                AND `polylang_languages`.`term_taxonomy_id` = {$current_language_tt_id}
                    ";

			    $info[ 'where' ][ 'polylang_languages' ] = "`polylang_languages`.`object_id` IS NOT NULL";
		    }

		    $info[ 'object_fields' ] = $this->get_wp_object_fields( $object_type, $info[ 'pod' ] );
	    }
	    elseif ( 0 === strpos( $object_type, 'taxonomy' ) || in_array( $object_type, array( 'nav_menu', 'post_format' ) ) || 'taxonomy' == pods_var_raw( 'type', $info[ 'pod' ] ) ) {
		    $info[ 'table' ] = $info[ 'meta_table' ] = $wpdb->terms;

		    $info[ 'join' ][ 'tt' ] = "LEFT JOIN `{$wpdb->term_taxonomy}` AS `tt` ON `tt`.`term_id` = `t`.`term_id`";
		    $info[ 'join' ][ 'tr' ] = "LEFT JOIN `{$wpdb->term_relationships}` AS `tr` ON `tr`.`term_taxonomy_id` = `tt`.`term_taxonomy_id`";
		    $info[ 'field_id' ] = $info[ 'meta_field_id' ] = 'term_id';
		    $info[ 'field_index' ] = $info[ 'meta_field_index' ] = $info[ 'meta_field_value' ] = 'name';
		    $info[ 'field_slug' ] = 'slug';
		    $info[ 'field_type' ] = 'taxonomy';
		    $info[ 'field_parent' ] = 'parent';
		    $info[ 'field_parent_select' ] = '`tt`.`' . $info[ 'field_parent' ] . '`';

            if ( ! empty( $wpdb->termmeta ) ) {
                $info[ 'meta_table' ] = $wpdb->termmeta;

                $info[ 'meta_field_id' ] = 'term_id';
                $info[ 'meta_field_index' ] = 'meta_key';
                $info[ 'meta_field_value' ] = 'meta_value';
            }

		    if ( 'nav_menu' == $object_type )
			    $object = 'nav_menu';
		    elseif ( 'post_format' == $object_type )
			    $object = 'post_format';

		    if ( empty( $name ) ) {
			    $prefix = 'taxonomy-';

			    // Make sure we actually have the prefix before trying anything with the name
			    if ( 0 === strpos( $object_type, $prefix ) )
				    $name = substr( $object_type, strlen( $prefix ), strlen( $object_type ) );
		    }

		    if ( !in_array( $object_type, array( 'nav_menu', 'post_format' ) ) )
			    $object_type = 'taxonomy';

		    $taxonomy = pods_sanitize( ( empty( $object ) ? $name : $object ) );

		    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_' . pods_clean_name( $taxonomy, true, false );

		    $taxonomy_object = get_taxonomy( $taxonomy );

		    if ( is_object( $taxonomy_object ) && $taxonomy_object->hierarchical )
			    $info[ 'object_hierarchical' ] = true;

		    $info[ 'where' ] = array(
			    'tt.taxonomy' => '`tt`.`' . $info[ 'field_type' ] . '` = "' . $taxonomy . '"'
		    );

		    // WPML Support
		    if ( is_object( $sitepress ) && $sitepress->is_translated_taxonomy( $taxonomy ) && !$icl_adjust_id_url_filter_off ) {
			    $info[ 'join' ][ 'wpml_translations' ] = "
                        LEFT JOIN `{$wpdb->prefix}icl_translations` AS `wpml_translations`
                            ON `wpml_translations`.`element_id` = `tt`.`term_taxonomy_id`
                                AND `wpml_translations`.`element_type` = 'tax_{$taxonomy}'
                                AND `wpml_translations`.`language_code` = '{$current_language}'
                    ";

			    $info[ 'join' ][ 'wpml_languages' ] = "
                        LEFT JOIN `{$wpdb->prefix}icl_languages` AS `wpml_languages`
                            ON `wpml_languages`.`code` = `wpml_translations`.`language_code` AND `wpml_languages`.`active` = 1
                    ";

			    $info[ 'where' ][ 'wpml_languages' ] = "`wpml_languages`.`code` IS NOT NULL";
		    }
		    // Polylang support
		    elseif ( ( function_exists( 'PLL' ) || is_object( $polylang ) ) && !empty( $current_language ) && function_exists( 'pll_is_translated_taxonomy' ) && pll_is_translated_taxonomy( $taxonomy ) ) {
			    $info[ 'join' ][ 'polylang_languages' ] = "
                        LEFT JOIN `{$wpdb->termmeta}` AS `polylang_languages`
                            ON `polylang_languages`.`term_id` = `t`.`term_id`
                                AND `polylang_languages`.`meta_value` = {$current_language_t_id}
                    ";

			    $info[ 'where' ][ 'polylang_languages' ] = "`polylang_languages`.`term_id` IS NOT NULL";
		    }

		    $info[ 'object_fields' ] = $this->get_wp_object_fields( $object_type, $info[ 'pod' ] );
	    }
	    elseif ( 'user' == $object_type || 'user' == pods_var_raw( 'type', $info[ 'pod' ] ) ) {
		    $info[ 'table' ] = $wpdb->users;
		    $info[ 'meta_table' ] = $wpdb->usermeta;
		    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_user';

		    $info[ 'field_id' ] = 'ID';
		    $info[ 'field_index' ] = 'display_name';
		    $info[ 'field_slug' ] = 'user_nicename';

		    $info[ 'meta_field_id' ] = 'user_id';
		    $info[ 'meta_field_index' ] = 'meta_key';
		    $info[ 'meta_field_value' ] = 'meta_value';

		    $info[ 'where' ] = array(
			    'user_status' => '`t`.`user_status` = 0'
		    );

		    $info[ 'object_fields' ] = $this->get_wp_object_fields( $object_type, $info[ 'pod' ] );
	    }
	    elseif ( 'comment' == $object_type || 'comment' == pods_var_raw( 'type', $info[ 'pod' ] ) ) {
		    //$info[ 'object_hierarchical' ] = true;

55% of this comment could be valid code. Did you maybe forget this after debugging?

		    $info[ 'table' ] = $wpdb->comments;
		    $info[ 'meta_table' ] = $wpdb->commentmeta;
		    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_comment';

		    $info[ 'field_id' ] = 'comment_ID';
		    $info[ 'field_index' ] = 'comment_date';
		    $info[ 'field_type' ] = 'comment_type';
		    $info[ 'field_parent' ] = 'comment_parent';
		    $info[ 'field_parent_select' ] = '`t`.`' . $info[ 'field_parent' ] . '`';

		    $info[ 'meta_field_id' ] = 'comment_id';
		    $info[ 'meta_field_index' ] = 'meta_key';
		    $info[ 'meta_field_value' ] = 'meta_value';

		    $object = 'comment';

		    $comment_type = ( empty( $object ) ? $name : $object );

		    $comment_type_clause = '`t`.`' . $info[ 'field_type' ] . '` = "' . $comment_type . '"';

		    if ( 'comment' == $comment_type ) {
			    $comment_type_clause = '( ' . $comment_type_clause . ' OR `t`.`' . $info[ 'field_type' ] . '` = "" )';
		    }

		    $info[ 'where' ] = array(
			    'comment_approved' => '`t`.`comment_approved` = 1',
			    'comment_type' => $comment_type_clause
		    );

		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '` DESC, `t`.`' . $info[ 'field_id' ] . '`';
	    }
	    elseif ( in_array( $object_type, array( 'option', 'settings' ) ) || 'settings' == pods_var_raw( 'type', $info[ 'pod' ] ) ) {
		    $info[ 'table' ] = $wpdb->options;
		    $info[ 'meta_table' ] = $wpdb->options;

		    $info[ 'field_id' ] = 'option_id';
		    $info[ 'field_index' ] = 'option_name';

		    $info[ 'meta_field_id' ] = 'option_id';
		    $info[ 'meta_field_index' ] = 'option_name';
		    $info[ 'meta_field_value' ] = 'option_value';

		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '` ASC';
	    }
	    elseif ( is_multisite() && ( in_array( $object_type, array( 'site_option', 'site_settings' ) ) || 'site_settings' == pods_var_raw( 'type', $info[ 'pod' ] ) ) ) {
		    $info[ 'table' ] = $wpdb->sitemeta;
		    $info[ 'meta_table' ] = $wpdb->sitemeta;

		    $info[ 'field_id' ] = 'site_id';
		    $info[ 'field_index' ] = 'meta_key';

		    $info[ 'meta_field_id' ] = 'site_id';
		    $info[ 'meta_field_index' ] = 'meta_key';
		    $info[ 'meta_field_value' ] = 'meta_value';

		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '` ASC';
	    }
	    elseif ( is_multisite() && 'network' == $object_type ) { // Network = Site
		    $info[ 'table' ] = $wpdb->site;
		    $info[ 'meta_table' ] = $wpdb->sitemeta;

		    $info[ 'field_id' ] = 'id';
		    $info[ 'field_index' ] = 'domain';

		    $info[ 'meta_field_id' ] = 'site_id';
		    $info[ 'meta_field_index' ] = 'meta_key';
		    $info[ 'meta_field_value' ] = 'meta_value';

		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '` ASC, `t`.`path` ASC, `t`.`' . $info[ 'field_id' ] . '`';
	    }
	    elseif ( is_multisite() && 'site' == $object_type ) { // Site = Blog
		    $info[ 'table' ] = $wpdb->blogs;

		    $info[ 'field_id' ] = 'blog_id';
		    $info[ 'field_index' ] = 'domain';
		    $info[ 'field_type' ] = 'site_id';

		    $info[ 'where' ] = array(
			    'archived' => '`t`.`archived` = 0',
			    'spam' => '`t`.`spam` = 0',
			    'deleted' => '`t`.`deleted` = 0',
			    'site_id' => '`t`.`' . $info[ 'field_type' ] . '` = ' . (int) get_current_site()->id
		    );

		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '` ASC, `t`.`path` ASC, `t`.`' . $info[ 'field_id' ] . '`';
	    }
	    elseif ( 'table' == $object_type || 'table' == pods_var_raw( 'type', $info[ 'pod' ] ) ) {
		    $info[ 'table' ] = ( empty( $object ) ? $name : $object );
		    $info[ 'pod_table' ] = $wpdb->prefix . 'pods_' . $info[ 'table' ];

		    if ( !empty( $field ) && is_array( $field ) ) {
			    $info[ 'table' ] = pods_var_raw( 'pick_table', pods_var_raw( 'options', $field, $field ) );
			    $info[ 'field_id' ] = pods_var_raw( 'pick_table_id', pods_var_raw( 'options', $field, $field ) );
			    $info[ 'field_index' ] = $info[ 'meta_field_index' ] = $info[ 'meta_field_value' ] = pods_var_raw( 'pick_table_index', pods_var_raw( 'options', $field, $field ) );
		    }
	    }

	    $info[ 'table' ] = pods_clean_name( $info[ 'table' ], false, false );
	    $info[ 'meta_table' ] = pods_clean_name( $info[ 'meta_table' ], false, false );
	    $info[ 'pod_table' ] = pods_clean_name( $info[ 'pod_table' ], false, false );

	    $info[ 'field_id' ] = pods_clean_name( $info[ 'field_id' ], false, false );
	    $info[ 'field_index' ] = pods_clean_name( $info[ 'field_index' ], false, false );
	    $info[ 'field_slug' ] = pods_clean_name( $info[ 'field_slug' ], false, false );

	    $info[ 'meta_field_id' ] = pods_clean_name( $info[ 'meta_field_id' ], false, false );
	    $info[ 'meta_field_index' ] = pods_clean_name( $info[ 'meta_field_index' ], false, false );
	    $info[ 'meta_field_value' ] = pods_clean_name( $info[ 'meta_field_value' ], false, false );

	    if ( empty( $info[ 'orderby' ] ) )
		    $info[ 'orderby' ] = '`t`.`' . $info[ 'field_index' ] . '`, `t`.`' . $info[ 'field_id' ] . '`';

	    if ( 'table' == pods_var_raw( 'storage', $info[ 'pod' ] ) && !in_array( $object_type, array( 'pod', 'table' ) ) ) {
		    $info[ 'join' ][ 'd' ] = 'LEFT JOIN `' . $info[ 'pod_table' ] . '` AS `d` ON `d`.`id` = `t`.`' . $info[ 'field_id' ] . '`';
		    //$info[ 'select' ] .= ', `d`.*';

50% of this comment could be valid code. Did you maybe forget this after debugging?

	    }

	    if ( !empty( $info[ 'pod' ] ) && is_array( $info[ 'pod' ] ) )
		    $info[ 'recurse' ] = true;

	    $info[ 'type' ] = $object_type;
	    $info[ 'object_name' ] = $object;

	    if ( pods_api_cache() ) {
		    if ( ! did_action( 'init' ) ) {
			    $transient .= '_pre_init';
		    }
		    pods_transient_set( $transient, $info );
	    }


	    self::$table_info_cache[ $transient ] = apply_filters( 'pods_api_get_table_info', $info, $object_type, $object, $name, $pod, $field, $this );

        return self::$table_info_cache[ $transient ];
    }

    /**
     * Export a package
     *
     * $params['pod'] string Pod Type IDs to export
     * $params['template'] string Template IDs to export
     * $params['podpage'] string Pod Page IDs to export
     * $params['helper'] string Helper IDs to export
     *
     * @param array $params An associative array of parameters
     *
     * @return array|bool
     *
     * @since 1.9.0
     * @deprecated 2.0
     */
    public function export_package ( $params ) {
        if ( class_exists( 'Pods_Migrate_Packages' ) )
            return Pods_Migrate_Packages::export( $params );

        return false;
    }

    /**
     * Replace an existing package
     *
     * @param mixed $data (optional) An associative array containing a package, or the json encoded package
     *
     * @return bool
     *
     * @since 1.9.8
     * @deprecated 2.0
     */
    public function replace_package ( $data = false ) {
        return $this->import_package( $data, true );

The method PodsAPI::import_package() has been deprecated with message: 2.0

    }

    /**
     * Import a package
     *
     * @param mixed $data (optional) An associative array containing a package, or the json encoded package
     * @param bool $replace (optional) Replace existing items when found
     *
     * @return bool
     *
     * @since 1.9.0
     * @deprecated 2.0
     */
    public function import_package ( $data = false, $replace = false ) {
        if ( class_exists( 'Pods_Migrate_Packages' ) )
            return Pods_Migrate_Packages::import( $data, $replace );

        return false;
    }

    /**
     * Validate a package
     *
     * @param array|string $data (optional) An associative array containing a package, or the json encoded package
     * @param bool $output (optional)
     *
     * @return array|bool
     *
     * @since 1.9.0
     * @deprecated 2.0
     */
    public function validate_package ( $data = false, $output = false ) {

The parameter $data is not used and could be removed.

The parameter $output is not used and could be removed.

        return true;
    }

    /**
     * Import data from an array or a CSV file.
     *
     * @param mixed $import_data PHP associative array or CSV input
     * @param bool $numeric_mode Use IDs instead of the name field when matching
     * @param string $format Format of import data, options are php or csv
     *
     * @return array IDs of imported items
     *
     * @since 1.7.1
     * @todo This needs some love and use of table_info etc for relationships
     */
    public function import ( $import_data, $numeric_mode = false, $format = null ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        if ( null === $format && null !== $this->format )

The property PodsAPI::$format has been deprecated with message: 2.0

            $format = $this->format;

The property PodsAPI::$format has been deprecated with message: 2.0

        if ( 'csv' == $format && !is_array( $import_data ) ) {
            $data = pods_migrate( 'sv', ',' )->parse( $import_data );

Are you sure the assignment to $data is correct as pods_migrate('sv', ',')->parse($import_data) (which targets PodsMigrate::parse()) seems to always return null.

            $import_data = $data[ 'items' ];
        }

        pods_query( "SET NAMES utf8" );
        pods_query( "SET CHARACTER SET utf8" );

        // Loop through the array of items
        $ids = array();

        // Test to see if it's an array of arrays
        if ( !is_array( @current( $import_data ) ) )
            $import_data = array( $import_data );

        $pod = $this->load_pod( array( 'name' => $this->pod ) );

        if ( false === $pod )
            return pods_error( __( 'Pod not found', 'pods' ), $this );

        $fields = array_merge( $pod[ 'fields' ], $pod[ 'object_fields' ] );

        $simple_tableless_objects = PodsForm::simple_tableless_objects();

        foreach ( $import_data as $key => $data_row ) {
            $data = array();

            // Loop through each field (use $fields so only valid fields get parsed)
            foreach ( $fields as $field_name => $field_data ) {
                if ( !isset( $data_row[ $field_name ] ) && !isset( $data_row[ $field_data[ 'label' ] ] ) )
                    continue;

                $field_id = $field_data[ 'id' ];
                $type = $field_data[ 'type' ];
                $pick_object = isset( $field_data[ 'pick_object' ] ) ? $field_data[ 'pick_object' ] : '';
                $pick_val = isset( $field_data[ 'pick_val' ] ) ?  $field_data[ 'pick_val' ] : '';

                if ( isset( $data_row[ $field_name] ) )
                    $field_value = $data_row[ $field_name ];
                else
                    $field_value = $data_row[ $field_data[ 'label' ] ];

                if ( null !== $field_value && false !== $field_value && '' !== $field_value ) {
                    if ( 'pick' == $type || in_array( $type, PodsForm::file_field_types() ) ) {
                        $field_values = is_array( $field_value ) ? $field_value : array( $field_value );
                        $pick_values = array();

                        foreach ( $field_values as $pick_value ) {
                            if ( in_array( $type, PodsForm::file_field_types() ) || 'media' == $pick_object ) {
                                $where = "`guid` = '" . pods_sanitize( $pick_value ) . "'";

                                if ( 0 < pods_absint( $pick_value ) && false !== $numeric_mode )
                                    $where = "`ID` = " . pods_absint( $pick_value );

                                $result = pods_query( "SELECT `ID` AS `id` FROM `{$wpdb->posts}` WHERE `post_type` = 'attachment' AND {$where} ORDER BY `ID`", $this );

                                if ( !empty( $result ) )
                                    $pick_values[] = $result[ 0 ]->id;
                            }
                            // @todo This could and should be abstracted better and simplified
                            elseif ( 'pick' == $type ) {
                                $related_pod = false;

                                if ( 'pod' == $pick_object )
                                    $related_pod = $this->load_pod( array( 'name' => $pick_val, 'table_info' => true ), false );

                                if ( empty( $related_pod ) ) {
                                    $related_pod = array(
                                        'id' => 0,
                                        'type' => $pick_object
                                    );
                                }

                                if ( in_array( 'taxonomy', array( $pick_object, $related_pod[ 'type' ] ) ) ) {
                                    $where = "`t`.`name` = '" . pods_sanitize( $pick_value ) . "'";

                                    if ( 0 < pods_absint( $pick_value ) && false !== $numeric_mode )
                                        $where = "`tt`.`term_id` = " . pods_absint( $pick_value );

                                    $result = pods_query( "SELECT `t`.`term_id` AS `id` FROM `{$wpdb->term_taxonomy}` AS `tt` LEFT JOIN `{$wpdb->terms}` AS `t` ON `t`.`term_id` = `tt`.`term_id` WHERE `taxonomy` = '{$pick_val}' AND {$where} ORDER BY `t`.`term_id`", $this );

                                    if ( !empty( $result ) )
                                        $pick_values[] = $result[ 0 ]->id;
                                }
                                elseif ( in_array( 'post_type', array( $pick_object, $related_pod[ 'type' ] ) ) || in_array( 'media', array( $pick_object, $related_pod[ 'type' ] ) ) ) {
                                    $where = "`post_title` = '" . pods_sanitize( $pick_value ) . "'";

                                    if ( 0 < pods_absint( $pick_value ) && false !== $numeric_mode )
                                        $where = "`ID` = " . pods_absint( $pick_value );

                                    $result = pods_query( "SELECT `ID` AS `id` FROM `{$wpdb->posts}` WHERE `post_type` = '{$pick_val}' AND {$where} ORDER BY `ID`", $this );

                                    if ( !empty( $result ) )
                                        $pick_values[] = $result[ 0 ]->id;
                                }
                                elseif ( in_array( 'user', array( $pick_object, $related_pod[ 'type' ] ) ) ) {
                                    $where = "`user_login` = '" . pods_sanitize( $pick_value ) . "'";

                                    if ( 0 < pods_absint( $pick_value ) && false !== $numeric_mode )
                                        $where = "`ID` = " . pods_absint( $pick_value );

                                    $result = pods_query( "SELECT `ID` AS `id` FROM `{$wpdb->users}` WHERE {$where} ORDER BY `ID`", $this );

                                    if ( !empty( $result ) )
                                        $pick_values[] = $result[ 0 ]->id;
                                }
                                elseif ( in_array( 'comment', array( $pick_object, $related_pod[ 'type' ] ) ) ) {
                                    $where = "`comment_ID` = " . pods_absint( $pick_value );

                                    $result = pods_query( "SELECT `comment_ID` AS `id` FROM `{$wpdb->comments}` WHERE {$where} ORDER BY `ID`", $this );

                                    if ( !empty( $result ) )
                                        $pick_values[] = $result[ 0 ]->id;
                                }
                                elseif ( in_array( $pick_object, $simple_tableless_objects ) )
                                    $pick_values[] = $pick_value;
                                elseif ( !empty( $related_pod[ 'id' ] ) ) {
                                    $where = "`" . $related_pod[ 'field_index' ] . "` = '" . pods_sanitize( $pick_value ) . "'";

                                    if ( 0 < pods_absint( $pick_value ) && false !== $numeric_mode )
                                        $where = "`" . $related_pod[ 'field_id' ] . "` = " . pods_absint( $pick_value );

                                    $result = pods_query( "SELECT `" . $related_pod[ 'field_id' ] . "` AS `id` FROM `" . $related_pod[ 'table' ] . "` WHERE {$where} ORDER BY `" . $related_pod[ 'field_id' ] . "`", $this );

                                    if ( !empty( $result ) )
                                        $pick_values[] = $result[ 0 ]->id;
                                }
                            }
                        }

                        $field_value = implode( ',', $pick_values );
                    }

                    $data[ $field_name ] = $field_value;
                }
            }

            if ( !empty( $data ) ) {
                $params = array(
                    'pod' => $this->pod,
                    'data' => $data
                );

                $ids[] = $this->save_pod_item( $params );
            }
        }

        return $ids;
    }

    /**
     * Export data from a Pod
     *
     * @param string|object $pod The pod name or Pods object
     * @param array $params An associative array of parameters
     *
     * @return array Data arrays of all exported pod items
     * @since 1.7.1
     */
    public function export ( $pod = null, $params = null ) {

        if ( empty( $pod ) ) {
            $pod = $this->pod;
        }

        $find = array(
            'limit' => -1,
            'search' => false,
            'pagination' => false
        );

        if ( !empty( $params ) && isset( $params[ 'params' ] ) ) {
            $find = array_merge( $find, (array) $params[ 'params' ] );

            unset( $params[ 'params' ] );

            $pod = pods( $pod, $find );
        }
        elseif ( !is_object( $pod ) ) {
            $pod = pods( $pod, $find );
        }

        $data = array();

        while ( $pod->fetch() ) {
            $data[ $pod->id() ] = $this->export_pod_item( $params, $pod );
        }

        $data = $this->do_hook( 'export', $data, $pod->pod, $pod );

        return $data;
    }

    /**
     * Convert CSV to a PHP array
     *
     * @param string $data The CSV input
     *
     * @return array
     * @since 1.7.1
     *
     * @deprecated 2.3.5
     */
    public function csv_to_php ( $data, $delimiter = ',' ) {
        pods_deprecated( "PodsAPI->csv_to_php", '2.3.5' );

        $data = pods_migrate( 'sv', $delimiter, $data )->parse();

Are you sure the assignment to $data is correct as pods_migrate('sv', $delimiter, $data)->parse() (which targets PodsMigrate::parse()) seems to always return null.

        return $data[ 'items' ];
    }

    /**
     * Clear Pod-related cache
     *
     * @param array $pod
     *
     * @return void
     *
     * @since 2.0
     */
    public function cache_flush_pods ( $pod = null ) {
        /**
         * @var $wpdb wpdb
         */
        global $wpdb;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

        pods_transient_clear( 'pods' );
        pods_transient_clear( 'pods_components' );

        if ( null !== $pod && is_array( $pod ) ) {
            pods_transient_clear( 'pods_pod_' . $pod[ 'name' ] );
            pods_cache_clear( $pod[ 'name' ], 'pods-class' );

            foreach ( $pod[ 'fields' ] as $field ) {
                pods_transient_clear( 'pods_field_' . $pod[ 'name' ] . '_' . $field[ 'name' ] );
            }

            if ( in_array( $pod[ 'type' ], array( 'post_type', 'taxonomy' ) ) )
                pods_transient_clear( 'pods_wp_cpt_ct' );
        }
        else
            pods_transient_clear( 'pods_wp_cpt_ct' );

        $wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE '_transient_pods%'" );
        $wpdb->query( "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE '_transient_timeout_pods%'" );

        pods_cache_clear( true );

        pods_transient_set( 'pods_flush_rewrites', 1 );
    }

    /**
     * Process a Pod-based form
     *
     * @param mixed $params
     * @param object $obj Pod object
     * @param array $fields Fields being submitted in form ( key => settings )
     * @param string $thank_you URL to send to upon success
     *
     * @return mixed
     *
     * @since 2.0
     */
    public function process_form ( $params, $obj = null, $fields = null, $thank_you = null ) {
        $this->display_errors = false;

        $form = null;

        $nonce = pods_var( '_pods_nonce', $params );
        $pod = pods_var( '_pods_pod', $params );
        $id = pods_var( '_pods_id', $params );
        $uri = pods_var( '_pods_uri', $params );
        $form = pods_var( '_pods_form', $params );
        $location = pods_var( '_pods_location', $params );

        if ( is_object( $obj ) ) {
            $pod = $obj->pod;
            $id = $obj->id();
        }

        if ( !empty( $fields ) ) {
            $fields = array_keys( $fields );
            $form = implode( ',', $fields );
        }
        else
            $fields = explode( ',', $form );

        if ( empty( $nonce ) || empty( $pod ) || empty( $uri ) || empty( $fields ) )
            return pods_error( __( 'Invalid submission', 'pods' ), $this );

        $uid = @session_id();

        if ( is_user_logged_in() )
            $uid = 'user_' . get_current_user_id();

		$field_hash = wp_create_nonce( 'pods_fields_' . $form );

        $action = 'pods_form_' . $pod . '_' . $uid . '_' . $id . '_' . $uri . '_' . $field_hash;

        if ( empty( $uid ) )
            return pods_error( __( 'Access denied for your session, please refresh and try again.', 'pods' ), $this );

        if ( false === wp_verify_nonce( $nonce, $action ) )
            return pods_error( __( 'Access denied, please refresh and try again.', 'pods' ), $this );

        $data = array();

        foreach ( $fields as $field ) {
            $data[ $field ] = pods_var_raw( 'pods_field_' . $field, $params, '' );
        }

        $params = array(
            'pod' => $pod,
            'id' => $id,
            'data' => $data,
            'from' => 'process_form',
			'location' => $location
        );

        $id = $this->save_pod_item( $params );

        if ( 0 < $id && !empty( $thank_you ) ) {
            $thank_you = str_replace( 'X_ID_X', $id, $thank_you );

            pods_redirect( $thank_you );
        }

        return $id;
    }

	/**
	 * Get current language information from Multilingual plugins
	 *
	 * @since 2.6.6
	 * 
	 * @return array
	 */
	public static function get_current_language() {

		/**
		 * @var $sitepress                    SitePress object
		 * @var $icl_adjust_id_url_filter_off boolean
		 * @var $polylang                     object
		 */
		global $sitepress, $icl_adjust_id_url_filter_off, $polylang;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

		$lang_data        = false;
		$translator       = false;
		$current_language = false;

		// Multilingual support
		if ( is_object( $sitepress ) && ! $icl_adjust_id_url_filter_off && defined( 'ICL_LANGUAGE_CODE' ) ) {
			// WPML support
			$translator = 'WPML';

			// Get the global current language (if set)
			$current_language = ( ICL_LANGUAGE_CODE != 'all' ) ? ICL_LANGUAGE_CODE : '';

		} elseif ( ( function_exists( 'PLL' ) || is_object( $polylang ) ) && function_exists( 'pll_current_language' ) ) {
			// Polylang support
			$translator = 'PLL';

			// Get the global current language (if set)
			$current_language = pll_current_language( 'slug' );
		}

		/**
		 * Admin functions that overwrite the current language
		 * 
		 * @since 2.6.6
		 */
		if ( is_admin() && ! empty( $translator ) ) {
			if ( $translator == 'PLL' ) {
				/**
				 * Polylang support
				 * Get the current user's perferred language.
				 * This is a user meta setting that will overwrite the language returned from pll_current_language()
				 * @see polylang/admin/admin-base.php -> init_user()
				 */
				$current_language = get_user_meta( get_current_user_id(), 'pll_filter_content', true );
			}

			// Get current language based on the object language if available
			if ( function_exists( 'get_current_screen' ) ) {
				$current_screen = get_current_screen();

				/**
				 * Overwrite the current language if needed for post types
				 */
				if ( isset( $current_screen->base ) && ( $current_screen->base == 'post' || $current_screen->base == 'edit' ) ) {
					if ( ! empty( $_GET['post'] ) ) {
						/**
						 * WPML support
						 * In WPML the current language is always set to default on an edit screen
						 * We need to overwrite this when the current object is not-translatable to enable relationships with different languages
						 */
						if (   $translator == 'WPML' 
							&& method_exists( $sitepress, 'is_translated_post_type') 
							&& ! $sitepress->is_translated_post_type( get_post_type( $_GET['post'] ) ) 
						) {
							// Overwrite the current language to nothing if this is a NOT-translatable post_type
							$current_language = '';
						}

						/**
						 * Polylang support (1.5.4+)
						 * In polylang the preferred language could be anything. 
						 * We only want the related objects if they are not translatable OR the same language as the current object
						 */
						if (   $translator == 'PLL' 
							&& function_exists( 'pll_get_post_language' ) 
							&& pll_is_translated_post_type( get_post_type( $_GET['post'] ) ) 
						) {
							// Overwrite the current language if this is a translateable post_type
							$current_language = pll_get_post_language( (int) $_GET['post'] );
						}
					}

					/**
					 * Polylang support (1.0.1+)
					 * In polylang the preferred language could be anything. 
					 * When we're adding a new object and language is set we only want the related objects if they are not translatable OR the same language
					 */
					if (   $translator == 'PLL' 
						&& ! empty( $_GET['new_lang'] ) 
						&& ! empty( $_GET['post_type'] ) 
						&& pll_is_translated_post_type( sanitize_text_field( $_GET['post_type'] ) ) 
					) {
						$current_language = $_GET['new_lang'];
					}

				/**
				 * Overwrite the current language if needed for taxonomies
				 */
				} elseif ( isset( $current_screen->base ) && ( $current_screen->base == 'term' || $current_screen->base == 'edit-tags' ) ) {
					// @todo MAYBE: Similar function like get_post_type for taxonomies so we don't need to check for $_GET['taxonomy']
					if ( ! empty( $_GET['taxonomy'] ) ) {
						/**
						 * WPML support
						 * In WPML the current language is always set to default on an edit screen
						 * We need to overwrite this when the current object is not-translatable to enable relationships with different languages
						 */
						if (   $translator == 'WPML' 
							&& method_exists( $sitepress, 'is_translated_taxonomy') 
							&& ! $sitepress->is_translated_taxonomy( $_GET['taxonomy'] ) 
						) {
							// Overwrite the current language to nothing if this is a NOT-translatable taxonomy
							$current_language = '';
						}

						/**
						 * Polylang support (1.5.4+)
						 * In polylang the preferred language could be anything. 
						 * We only want the related objects if they are not translatable OR the same language as the current object
						 */
						if (   $translator == 'PLL' 
							&& ! empty( $_GET['tag_ID'] ) 
							&& function_exists( 'pll_get_term_language' ) 
							&& pll_is_translated_taxonomy( sanitize_text_field( $_GET['taxonomy'] ) ) 
						) {
							// Overwrite the current language if this is a translatable taxonomy
							$current_language = pll_get_term_language( (int) $_GET['tag_ID'] );
						}
					}

					/**
					 * Polylang support (1.0.1+)
					 * In polylang the preferred language could be anything. 
					 * When we're adding a new object and language is set we only want the related objects if they are not translatable OR the same language
					 */
					if (   $translator == 'PLL' 
						&& ! empty( $_GET['new_lang'] ) 
						&& ! empty( $_GET['taxonomy'] ) 
						&& pll_is_translated_taxonomy( sanitize_text_field( $_GET['taxonomy'] ) ) 
					) {
						$current_language = $_GET['new_lang'];
					}
				}
			}
		}

		$current_language = pods_sanitize( sanitize_text_field( $current_language ) );

		if ( ! empty( $current_language ) ) {
			// We need to return language data
			$lang_data = array(
				'language' => $current_language,
				't_id'     => 0,
				'tt_id'    => 0,
				'term'     => null,
			);

			/**
			 * Polylang support
			 * Get the language taxonomy object for the current language
			 */
			if ( $translator == 'PLL' ) {
				$current_language_t = false;

				// Get the language term object
				if ( function_exists( 'PLL' ) && isset( PLL()->model ) && method_exists( PLL()->model, 'get_language' ) ) {
					// Polylang 1.8 and newer
					$current_language_t = PLL()->model->get_language( $current_language );
				} elseif ( is_object( $polylang ) && isset( $polylang->model ) && method_exists( $polylang->model, 'get_language' ) ) {
					// Polylang 1.2 - 1.7.x
					$current_language_t = $polylang->model->get_language( $current_language );
				} elseif ( is_object( $polylang ) && method_exists( $polylang, 'get_language' ) ) {
					// Polylang 1.1.x and older
					$current_language_t = $polylang->get_language( $current_language );
				}

				// If the language object exists, add it!
				if ( $current_language_t && ! empty( $current_language_t->term_id ) ) {
					$lang_data['t_id']  = (int) $current_language_t->term_id;
					$lang_data['tt_id'] = (int) $current_language_t->term_taxonomy_id;
					$lang_data['term']  = $current_language_t;
				}
			}
		}

		/**
		 * Override language data used by Pods.
		 *
		 * @since 2.6.6
		 *
		 * @param array|false    $lang_data {
		 *      Language data
		 *
		 *      @type string       $language  Language slug
		 *      @type int          $t_id      Language term_id
		 *      @type int          $tt_id     Language term_taxonomy_id
		 *      @type WP_Term      $term      Language term object
		 * }
		 * @param string|boolean $translator Language plugin used
		 */
		$lang_data = apply_filters( 'pods_get_current_language', $lang_data, $translator );

		return $lang_data;

	}

    /**
     * Handle filters / actions for the class
     *
     * @since 2.0
     */
    private function do_hook () {

This method seems to be duplicated in your project.

        $args = func_get_args();
        if ( empty( $args ) )
            return false;
        $name = array_shift( $args );
        return pods_do_hook( "api", $name, $args, $this );
    }

    /**
     * Handle variables that have been deprecated
     *
     * @since 2.0
     */
    public function __get ( $name ) {
        $name = (string) $name;

        if ( !isset( $this->deprecated ) ) {
            require_once( PODS_DIR . 'deprecated/classes/PodsAPI.php' );
            $this->deprecated = new PodsAPI_Deprecated( $this );
        }

        $var = null;

        if ( isset( $this->deprecated->{$name} ) ) {
            pods_deprecated( "PodsAPI->{$name}", '2.0' );

            $var = $this->deprecated->{$name};
        }
        else
            pods_deprecated( "PodsAPI->{$name}", '2.0' );

        return $var;
    }

    /**
     * Handle methods that have been deprecated
     *
     * @since 2.0
     */
    public function __call ( $name, $args ) {
        $name = (string) $name;

        if ( !isset( $this->deprecated ) ) {
            require_once( PODS_DIR . 'deprecated/classes/PodsAPI.php' );
            $this->deprecated = new PodsAPI_Deprecated( $this );
        }

        if ( method_exists( $this->deprecated, $name ) )
            return call_user_func_array( array( $this->deprecated, $name ), $args );
        else
            pods_deprecated( "PodsAPI::{$name}", '2.0' );
    }
}