Strategy11 / formidable-forms

classes/models/FrmDb.php

Indentation +339 added lines, -339 removed lines

@@ -1,70 +1,70 @@ 
 <?php
 
 class FrmDb {
-    var $fields;
-    var $forms;
-    var $entries;
-    var $entry_metas;
-
-    public function __construct() {
-        if ( ! defined('ABSPATH') ) {
-            die('You are not allowed to call this page directly.');
-        }
-
-        global $wpdb;
-        $this->fields         = $wpdb->prefix . 'frm_fields';
-        $this->forms          = $wpdb->prefix . 'frm_forms';
-        $this->entries        = $wpdb->prefix . 'frm_items';
-        $this->entry_metas    = $wpdb->prefix . 'frm_item_metas';
-    }
-
-    public function upgrade( $old_db_version = false ) {
-	    do_action( 'frm_before_install' );
-
-        global $wpdb;
-        //$frm_db_version is the version of the database we're moving to
-        $frm_db_version = FrmAppHelper::$db_version;
-        $old_db_version = (float) $old_db_version;
-        if ( ! $old_db_version ) {
-            $old_db_version = get_option('frm_db_version');
-        }
-
-        if ( $frm_db_version != $old_db_version ) {
+	var $fields;
+	var $forms;
+	var $entries;
+	var $entry_metas;
+
+	public function __construct() {
+		if ( ! defined('ABSPATH') ) {
+			die('You are not allowed to call this page directly.');
+		}
+
+		global $wpdb;
+		$this->fields         = $wpdb->prefix . 'frm_fields';
+		$this->forms          = $wpdb->prefix . 'frm_forms';
+		$this->entries        = $wpdb->prefix . 'frm_items';
+		$this->entry_metas    = $wpdb->prefix . 'frm_item_metas';
+	}
+
+	public function upgrade( $old_db_version = false ) {
+		do_action( 'frm_before_install' );
+
+		global $wpdb;
+		//$frm_db_version is the version of the database we're moving to
+		$frm_db_version = FrmAppHelper::$db_version;
+		$old_db_version = (float) $old_db_version;
+		if ( ! $old_db_version ) {
+			$old_db_version = get_option('frm_db_version');
+		}
+
+		if ( $frm_db_version != $old_db_version ) {
 			// update rewrite rules for views and other custom post types
 			flush_rewrite_rules();
 
 			require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
 
-            $this->create_tables();
-            $this->migrate_data($frm_db_version, $old_db_version);
+			$this->create_tables();
+			$this->migrate_data($frm_db_version, $old_db_version);
 
-            /***** SAVE DB VERSION *****/
-            update_option('frm_db_version', $frm_db_version);
+			/***** SAVE DB VERSION *****/
+			update_option('frm_db_version', $frm_db_version);
 
-            /**** ADD/UPDATE DEFAULT TEMPLATES ****/
-            FrmXMLController::add_default_templates();
+			/**** ADD/UPDATE DEFAULT TEMPLATES ****/
+			FrmXMLController::add_default_templates();
 
 			if ( ! $old_db_version ) {
 				$this->maybe_create_contact_form();
 			}
-        }
+		}
 
-        do_action('frm_after_install');
+		do_action('frm_after_install');
 
-        /**** update the styling settings ****/
+		/**** update the styling settings ****/
 		if ( is_admin() && function_exists( 'get_filesystem_method' ) ) {
 			$frm_style = new FrmStyle();
 			$frm_style->update( 'default' );
 		}
-    }
+	}
 
-    public function collation() {
-        global $wpdb;
-        if ( ! $wpdb->has_cap( 'collation' ) ) {
-            return '';
-        }
+	public function collation() {
+		global $wpdb;
+		if ( ! $wpdb->has_cap( 'collation' ) ) {
+			return '';
+		}
 
-        $charset_collate = '';
+		$charset_collate = '';
 		if ( ! empty( $wpdb->charset ) ) {
 			$charset_collate .= ' DEFAULT CHARACTER SET ' . $wpdb->charset;
 		}
@@ -73,14 +73,14 @@ 
 			$charset_collate .= ' COLLATE ' . $wpdb->collate;
 		}
 
-        return $charset_collate;
-    }
+		return $charset_collate;
+	}
 
-    private function create_tables() {
-        $charset_collate = $this->collation();
-        $sql = array();
+	private function create_tables() {
+		$charset_collate = $this->collation();
+		$sql = array();
 
-        /* Create/Upgrade Fields Table */
+		/* Create/Upgrade Fields Table */
 		$sql[] = 'CREATE TABLE ' . $this->fields . ' (
 				id BIGINT(20) NOT NULL auto_increment,
 				field_key varchar(100) default NULL,
@@ -99,7 +99,7 @@ 
                 UNIQUE KEY field_key (field_key)
         )';
 
-        /* Create/Upgrade Forms Table */
+		/* Create/Upgrade Forms Table */
 		$sql[] = 'CREATE TABLE ' . $this->forms . ' (
                 id int(11) NOT NULL auto_increment,
 				form_key varchar(100) default NULL,
@@ -117,7 +117,7 @@ 
                 UNIQUE KEY form_key (form_key)
         )';
 
-        /* Create/Upgrade Items Table */
+		/* Create/Upgrade Items Table */
 		$sql[] = 'CREATE TABLE ' . $this->entries . ' (
 				id BIGINT(20) NOT NULL auto_increment,
 				item_key varchar(100) default NULL,
@@ -140,7 +140,7 @@ 
                 UNIQUE KEY item_key (item_key)
         )';
 
-        /* Create/Upgrade Meta Table */
+		/* Create/Upgrade Meta Table */
 		$sql[] = 'CREATE TABLE ' . $this->entry_metas . ' (
 				id BIGINT(20) NOT NULL auto_increment,
 				meta_value longtext default NULL,
@@ -152,16 +152,16 @@ 
                 KEY item_id (item_id)
         )';
 
-        foreach ( $sql as $q ) {
+		foreach ( $sql as $q ) {
 			if ( function_exists( 'dbDelta' ) ) {
 				dbDelta( $q . $charset_collate . ';' );
 			} else {
 				global $wpdb;
 				$wpdb->query( $q . $charset_collate );
 			}
-            unset($q);
-        }
-    }
+			unset($q);
+		}
+	}
 
 	private function maybe_create_contact_form() {
 		$template_id = FrmForm::getIdByKey( 'contact' );
@@ -177,32 +177,32 @@ 
 		}
 	}
 
-    /**
-     * @param integer $frm_db_version
+	/**
+	 * @param integer $frm_db_version
 	 * @param int $old_db_version
-     */
+	 */
 	private function migrate_data( $frm_db_version, $old_db_version ) {
 		$migrations = array( 4, 6, 11, 16, 17, 23, 25 );
-        foreach ( $migrations as $migration ) {
-            if ( $frm_db_version >= $migration && $old_db_version < $migration ) {
+		foreach ( $migrations as $migration ) {
+			if ( $frm_db_version >= $migration && $old_db_version < $migration ) {
 				$function_name = 'migrate_to_' . $migration;
-                $this->$function_name();
-            }
-        }
-    }
+				$this->$function_name();
+			}
+		}
+	}
 
-    /**
-     * Change array into format $wpdb->prepare can use
+	/**
+	 * Change array into format $wpdb->prepare can use
 	 *
 	 * @param array $args
 	 * @param string $starts_with
-     */
-    public static function get_where_clause_and_values( &$args, $starts_with = ' WHERE ' ) {
-        if ( empty($args) ) {
+	 */
+	public static function get_where_clause_and_values( &$args, $starts_with = ' WHERE ' ) {
+		if ( empty($args) ) {
 			// add an arg to prevent prepare from failing
 			$args = array( 'where' => $starts_with . '1=%d', 'values' => array( 1 ) );
 			return;
-        }
+		}
 
 		$where = '';
 		$values = array();
@@ -213,64 +213,64 @@ 
 		}
 
 		$args = compact( 'where', 'values' );
-    }
+	}
 
-    /**
+	/**
 	 * @param array $args
-     * @param string $base_where
-     * @param string $where
+	 * @param string $base_where
+	 * @param string $where
 	 * @param array $values
-     */
-    public static function parse_where_from_array( $args, $base_where, &$where, &$values ) {
-        $condition = ' AND';
-        if ( isset( $args['or'] ) ) {
-            $condition = ' OR';
-            unset( $args['or'] );
-        }
-
-        foreach ( $args as $key => $value ) {
-            $where .= empty( $where ) ? $base_where : $condition;
-            $array_inc_null = ( ! is_numeric( $key ) && is_array( $value ) && in_array( null, $value ) );
-            if ( is_numeric( $key ) || $array_inc_null ) {
-                $where .= ' ( ';
-                $nested_where = '';
-                if ( $array_inc_null ) {
-                    foreach ( $value as $val ) {
-                        self::parse_where_from_array( array( $key => $val, 'or' => 1 ), '', $nested_where, $values );
-                    }
-                } else {
-                    self::parse_where_from_array( $value, '', $nested_where, $values );
-                }
-                $where .= $nested_where;
-                $where .= ' ) ';
-            } else {
-                self::interpret_array_to_sql( $key, $value, $where, $values );
-            }
-        }
-    }
-
-    /**
-     * @param string $key
+	 */
+	public static function parse_where_from_array( $args, $base_where, &$where, &$values ) {
+		$condition = ' AND';
+		if ( isset( $args['or'] ) ) {
+			$condition = ' OR';
+			unset( $args['or'] );
+		}
+
+		foreach ( $args as $key => $value ) {
+			$where .= empty( $where ) ? $base_where : $condition;
+			$array_inc_null = ( ! is_numeric( $key ) && is_array( $value ) && in_array( null, $value ) );
+			if ( is_numeric( $key ) || $array_inc_null ) {
+				$where .= ' ( ';
+				$nested_where = '';
+				if ( $array_inc_null ) {
+					foreach ( $value as $val ) {
+						self::parse_where_from_array( array( $key => $val, 'or' => 1 ), '', $nested_where, $values );
+					}
+				} else {
+					self::parse_where_from_array( $value, '', $nested_where, $values );
+				}
+				$where .= $nested_where;
+				$where .= ' ) ';
+			} else {
+				self::interpret_array_to_sql( $key, $value, $where, $values );
+			}
+		}
+	}
+
+	/**
+	 * @param string $key
 	 * @param string|array $value
-     * @param string $where
+	 * @param string $where
 	 * @param array $values
-     */
-    private static function interpret_array_to_sql( $key, $value, &$where, &$values ) {
+	 */
+	private static function interpret_array_to_sql( $key, $value, &$where, &$values ) {
 		$key = trim( $key );
 
 		if ( strpos( $key, 'created_at' ) !== false || strpos( $key, 'updated_at' ) !== false ) {
-            $k = explode(' ', $key);
-            $where .= ' DATE_FORMAT(' . reset( $k ) . ', %s) ' . str_replace( reset( $k ), '', $key );
-            $values[] = '%Y-%m-%d %H:%i:%s';
-        } else {
+			$k = explode(' ', $key);
+			$where .= ' DATE_FORMAT(' . reset( $k ) . ', %s) ' . str_replace( reset( $k ), '', $key );
+			$values[] = '%Y-%m-%d %H:%i:%s';
+		} else {
 			$where .= ' ' . $key;
-        }
+		}
 
 		$lowercase_key = explode( ' ', strtolower( $key ) );
 		$lowercase_key = end( $lowercase_key );
 
-        if ( is_array( $value ) ) {
-            // translate array of values to "in"
+		if ( is_array( $value ) ) {
+			// translate array of values to "in"
 			if ( strpos( $lowercase_key, 'like' ) !== false ) {
 				$where = preg_replace('/' . $key . '$/', '', $where);
 				$where .= '(';
@@ -288,7 +288,7 @@ 
 				$where .= ' in (' . FrmAppHelper::prepare_array_values( $value, '%s' ) . ')';
 				$values = array_merge( $values, $value );
 			}
-        } else if ( strpos( $lowercase_key, 'like' ) !== false ) {
+		} else if ( strpos( $lowercase_key, 'like' ) !== false ) {
 			/**
 			 * Allow string to start or end with the value
 			 * If the key is like% then skip the first % for starts with
@@ -308,9 +308,9 @@ 
 			$where .= ' %s';
 			$values[] = $start . FrmAppHelper::esc_like( $value ) . $end;
 
-        } else if ( $value === null ) {
-            $where .= ' IS NULL';
-        } else {
+		} else if ( $value === null ) {
+			$where .= ' IS NULL';
+		} else {
 			// allow a - to prevent = from being added
 			if ( substr( $key, -1 ) == '-' ) {
 				$where = rtrim( $where, '-' );
@@ -320,9 +320,9 @@ 
 
 			self::add_query_placeholder( $key, $value, $where );
 
-            $values[] = $value;
-        }
-    }
+			$values[] = $value;
+		}
+	}
 
 	/**
 	 * Add %d, or %s to query
@@ -332,7 +332,7 @@ 
 	 * @param int|string $value
 	 * @param string $where
 	 */
-    private static function add_query_placeholder( $key, $value, &$where ) {
+	private static function add_query_placeholder( $key, $value, &$where ) {
 		if ( is_numeric( $value ) && ( strpos( $key, 'meta_value' ) === false || strpos( $key, '+0' ) !== false ) ) {
 			$where .= '%d';
 		} else {
@@ -340,16 +340,16 @@ 
 		}
 	}
 
-    /**
-     * @param string $table
+	/**
+	 * @param string $table
 	 * @param array $where
 	 * @param array $args
 	 * @return int
-     */
-    public static function get_count( $table, $where = array(), $args = array() ) {
-        $count = self::get_var( $table, $where, 'COUNT(*)', $args );
-        return $count;
-    }
+	 */
+	public static function get_count( $table, $where = array(), $args = array() ) {
+		$count = self::get_var( $table, $where, 'COUNT(*)', $args );
+		return $count;
+	}
 
 	/**
 	 * @param string $table
@@ -360,17 +360,17 @@ 
 	 * @param string $type
 	 * @return array|null|string|object
 	 */
-    public static function get_var( $table, $where = array(), $field = 'id', $args = array(), $limit = '', $type = 'var' ) {
-        $group = '';
-        self::get_group_and_table_name( $table, $group );
+	public static function get_var( $table, $where = array(), $field = 'id', $args = array(), $limit = '', $type = 'var' ) {
+		$group = '';
+		self::get_group_and_table_name( $table, $group );
 		self::convert_options_to_array( $args, '', $limit );
 
 		$query = self::generate_query_string_from_pieces( $field, $table, $where, $args );
 
 		$cache_key = self::generate_cache_key( $where, $args, $field, $type );
 		$results = FrmAppHelper::check_cache( $cache_key, $group, $query, 'get_' . $type );
-        return $results;
-    }
+		return $results;
+	}
 
 	/**
 	 * Generate a cache key from the where query, field, type, and other arguments
@@ -396,44 +396,44 @@ 
 		return $cache_key;
 	}
 
-    /**
-     * @param string $table
-     * @param array $where
+	/**
+	 * @param string $table
+	 * @param array $where
 	 * @param string $field
 	 * @param array $args
 	 * @param string $limit
 	 * @return mixed
-     */
-    public static function get_col( $table, $where = array(), $field = 'id', $args = array(), $limit = '' ) {
-        return self::get_var( $table, $where, $field, $args, $limit, 'col' );
-    }
-
-    /**
-     * @since 2.0
-     * @param string $table
+	 */
+	public static function get_col( $table, $where = array(), $field = 'id', $args = array(), $limit = '' ) {
+		return self::get_var( $table, $where, $field, $args, $limit, 'col' );
+	}
+
+	/**
+	 * @since 2.0
+	 * @param string $table
 	 * @param array $where
 	 * @param string $fields
 	 * @param array $args
 	 * @return mixed
-     */
-    public static function get_row( $table, $where = array(), $fields = '*', $args = array() ) {
-        $args['limit'] = 1;
-        return self::get_var( $table, $where, $fields, $args, '', 'row' );
-    }
-
-    /**
-     * Prepare a key/value array before DB call
+	 */
+	public static function get_row( $table, $where = array(), $fields = '*', $args = array() ) {
+		$args['limit'] = 1;
+		return self::get_var( $table, $where, $fields, $args, '', 'row' );
+	}
+
+	/**
+	 * Prepare a key/value array before DB call
 	 *
-     * @since 2.0
-     * @param string $table
+	 * @since 2.0
+	 * @param string $table
 	 * @param array $where
 	 * @param string $fields
 	 * @param array $args
 	 * @return mixed
-     */
-    public static function get_results( $table, $where = array(), $fields = '*', $args = array() ) {
-        return self::get_var( $table, $where, $fields, $args, '', 'results' );
-    }
+	 */
+	public static function get_results( $table, $where = array(), $fields = '*', $args = array() ) {
+		return self::get_var( $table, $where, $fields, $args, '', 'results' );
+	}
 
 	/**
 	 * Check for like, not like, in, not in, =, !=, >, <, <=, >=
@@ -470,59 +470,59 @@ 
 		return '';
 	}
 
-    /**
-     * Get 'frm_forms' from wp_frm_forms or a longer table param that includes a join
-     * Also add the wpdb->prefix to the table if it's missing
-     *
-     * @param string $table
-     * @param string $group
-     */
-    private static function get_group_and_table_name( &$table, &$group ) {
+	/**
+	 * Get 'frm_forms' from wp_frm_forms or a longer table param that includes a join
+	 * Also add the wpdb->prefix to the table if it's missing
+	 *
+	 * @param string $table
+	 * @param string $group
+	 */
+	private static function get_group_and_table_name( &$table, &$group ) {
 		global $wpdb, $wpmuBaseTablePrefix;
 
-        $table_parts = explode(' ', $table);
-        $group = reset($table_parts);
-        $group = str_replace( $wpdb->prefix, '', $group );
+		$table_parts = explode(' ', $table);
+		$group = reset($table_parts);
+		$group = str_replace( $wpdb->prefix, '', $group );
 
 		$prefix = $wpmuBaseTablePrefix ? $wpmuBaseTablePrefix : $wpdb->base_prefix;
 		$group = str_replace( $prefix, '', $group );
 
-        if ( $group == $table ) {
-            $table = $wpdb->prefix . $table;
-        }
+		if ( $group == $table ) {
+			$table = $wpdb->prefix . $table;
+		}
 
 		// switch to singular group name
 		$group = rtrim( $group, 's' );
-    }
+	}
 
-    private static function convert_options_to_array( &$args, $order_by = '', $limit = '' ) {
-        if ( ! is_array($args) ) {
+	private static function convert_options_to_array( &$args, $order_by = '', $limit = '' ) {
+		if ( ! is_array($args) ) {
 			$args = array( 'order_by' => $args );
-        }
+		}
 
-        if ( ! empty( $order_by ) ) {
-            $args['order_by'] = $order_by;
-        }
+		if ( ! empty( $order_by ) ) {
+			$args['order_by'] = $order_by;
+		}
 
-        if ( ! empty( $limit ) ) {
-            $args['limit'] = $limit;
-        }
+		if ( ! empty( $limit ) ) {
+			$args['limit'] = $limit;
+		}
 
-        $temp_args = $args;
-        foreach ( $temp_args as $k => $v ) {
-            if ( $v == '' ) {
+		$temp_args = $args;
+		foreach ( $temp_args as $k => $v ) {
+			if ( $v == '' ) {
 				unset( $args[ $k ] );
-                continue;
-            }
+				continue;
+			}
 
-            if ( $k == 'limit' ) {
+			if ( $k == 'limit' ) {
 				$args[ $k ] = FrmAppHelper::esc_limit( $v );
-            }
-            $db_name = strtoupper( str_replace( '_', ' ', $k ) );
-            if ( strpos( $v, $db_name ) === false ) {
+			}
+			$db_name = strtoupper( str_replace( '_', ' ', $k ) );
+			if ( strpos( $v, $db_name ) === false ) {
 				$args[ $k ] = $db_name . ' ' . $v;
-            }
-        }
+			}
+		}
 
 		// Make sure LIMIT is the last argument
 		if ( isset( $args['order_by'] ) && isset( $args['limit'] ) ) {
@@ -530,7 +530,7 @@ 
 			unset( $args['limit'] );
 			$args['limit'] = $temp_limit;
 		}
-    }
+	}
 
 	/**
 	 * Get the associative array results for the given columns, table, and where query
@@ -583,31 +583,31 @@ 
 		return $query;
 	}
 
-    public function uninstall() {
+	public function uninstall() {
 		if ( ! current_user_can( 'administrator' ) ) {
-            $frm_settings = FrmAppHelper::get_settings();
-            wp_die($frm_settings->admin_permission);
-        }
+			$frm_settings = FrmAppHelper::get_settings();
+			wp_die($frm_settings->admin_permission);
+		}
 
-        global $wpdb, $wp_roles;
+		global $wpdb, $wp_roles;
 
 		$wpdb->query( 'DROP TABLE IF EXISTS ' . $this->fields );
 		$wpdb->query( 'DROP TABLE IF EXISTS ' . $this->forms );
 		$wpdb->query( 'DROP TABLE IF EXISTS ' . $this->entries );
 		$wpdb->query( 'DROP TABLE IF EXISTS ' . $this->entry_metas );
 
-        delete_option('frm_options');
-        delete_option('frm_db_version');
+		delete_option('frm_options');
+		delete_option('frm_db_version');
 
-        //delete roles
-        $frm_roles = FrmAppHelper::frm_capabilities();
-        $roles = get_editable_roles();
-        foreach ( $frm_roles as $frm_role => $frm_role_description ) {
-            foreach ( $roles as $role => $details ) {
-                $wp_roles->remove_cap( $role, $frm_role );
-                unset($role, $details);
-    		}
-    		unset($frm_role, $frm_role_description);
+		//delete roles
+		$frm_roles = FrmAppHelper::frm_capabilities();
+		$roles = get_editable_roles();
+		foreach ( $frm_roles as $frm_role => $frm_role_description ) {
+			foreach ( $roles as $role => $details ) {
+				$wp_roles->remove_cap( $role, $frm_role );
+				unset($role, $details);
+			}
+			unset($frm_role, $frm_role_description);
 		}
 		unset($roles, $frm_roles);
 
@@ -631,9 +631,9 @@ 
 
 		$wpdb->query( $wpdb->prepare( 'DELETE FROM ' . $wpdb->options . ' WHERE option_name LIKE %s OR option_name LIKE %s', '_transient_timeout_frm_form_fields_%', '_transient_frm_form_fields_%' ) );
 
-        do_action('frm_after_uninstall');
-        return true;
-    }
+		do_action('frm_after_uninstall');
+		return true;
+	}
 
 	/**
 	 * Migrate old styling settings. If sites are using the old
@@ -672,150 +672,150 @@ 
 		}
 	}
 
-    /**
-     * Change field size from character to pixel -- Multiply by 9
-     */
-    private function migrate_to_17() {
-        global $wpdb;
+	/**
+	 * Change field size from character to pixel -- Multiply by 9
+	 */
+	private function migrate_to_17() {
+		global $wpdb;
 		$pixel_conversion = 9;
 
-        // Get query arguments
+		// Get query arguments
 		$field_types = array( 'textarea', 'text', 'number', 'email', 'url', 'rte', 'date', 'phone', 'password', 'image', 'tag', 'file' );
 		$query = array( 'type' => $field_types, 'field_options like' => 's:4:"size";', 'field_options not like' => 's:4:"size";s:0:' );
 
-        // Get results
+		// Get results
 		$fields = FrmDb::get_results( $this->fields, $query, 'id, field_options' );
 
-        $updated = 0;
-        foreach ( $fields as $f ) {
-            $f->field_options = maybe_unserialize($f->field_options);
-            if ( empty($f->field_options['size']) || ! is_numeric($f->field_options['size']) ) {
-                continue;
-            }
+		$updated = 0;
+		foreach ( $fields as $f ) {
+			$f->field_options = maybe_unserialize($f->field_options);
+			if ( empty($f->field_options['size']) || ! is_numeric($f->field_options['size']) ) {
+				continue;
+			}
 
 			$f->field_options['size'] = round( $pixel_conversion * (int) $f->field_options['size'] );
-            $f->field_options['size'] .= 'px';
-            $u = FrmField::update( $f->id, array( 'field_options' => $f->field_options ) );
-            if ( $u ) {
-                $updated++;
-            }
-            unset($f);
-        }
-
-        // Change the characters in widgets to pixels
-        $widgets = get_option('widget_frm_show_form');
-        if ( empty($widgets) ) {
-            return;
-        }
-
-        $widgets = maybe_unserialize($widgets);
-        foreach ( $widgets as $k => $widget ) {
-            if ( ! is_array($widget) || ! isset($widget['size']) ) {
-                continue;
-            }
+			$f->field_options['size'] .= 'px';
+			$u = FrmField::update( $f->id, array( 'field_options' => $f->field_options ) );
+			if ( $u ) {
+				$updated++;
+			}
+			unset($f);
+		}
+
+		// Change the characters in widgets to pixels
+		$widgets = get_option('widget_frm_show_form');
+		if ( empty($widgets) ) {
+			return;
+		}
+
+		$widgets = maybe_unserialize($widgets);
+		foreach ( $widgets as $k => $widget ) {
+			if ( ! is_array($widget) || ! isset($widget['size']) ) {
+				continue;
+			}
 			$size = round( $pixel_conversion * (int) $widget['size'] );
-            $size .= 'px';
+			$size .= 'px';
 			$widgets[ $k ]['size'] = $size;
-        }
-        update_option('widget_frm_show_form', $widgets);
-    }
-
-    /**
-     * Migrate post and email notification settings into actions
-     */
-    private function migrate_to_16() {
-        global $wpdb;
-
-        $forms = FrmDb::get_results( $this->forms, array(), 'id, options, is_template, default_template' );
-
-        /**
-        * Old email settings format:
-        * email_to: Email or field id
-        * also_email_to: array of fields ids
-        * reply_to: Email, field id, 'custom'
-        * cust_reply_to: string
-        * reply_to_name: field id, 'custom'
-        * cust_reply_to_name: string
-        * plain_text: 0|1
-        * email_message: string or ''
-        * email_subject: string or ''
-        * inc_user_info: 0|1
-        * update_email: 0, 1, 2
-        *
-        * Old autoresponder settings format:
-        * auto_responder: 0|1
-        * ar_email_message: string or ''
-        * ar_email_to: field id
-        * ar_plain_text: 0|1
-        * ar_reply_to_name: string
-        * ar_reply_to: string
-        * ar_email_subject: string
-        * ar_update_email: 0, 1, 2
-        *
-        * New email settings:
-        * post_content: json settings
-        * post_title: form id
-        * post_excerpt: message
-        *
-        */
-
-        foreach ( $forms as $form ) {
+		}
+		update_option('widget_frm_show_form', $widgets);
+	}
+
+	/**
+	 * Migrate post and email notification settings into actions
+	 */
+	private function migrate_to_16() {
+		global $wpdb;
+
+		$forms = FrmDb::get_results( $this->forms, array(), 'id, options, is_template, default_template' );
+
+		/**
+		 * Old email settings format:
+		 * email_to: Email or field id
+		 * also_email_to: array of fields ids
+		 * reply_to: Email, field id, 'custom'
+		 * cust_reply_to: string
+		 * reply_to_name: field id, 'custom'
+		 * cust_reply_to_name: string
+		 * plain_text: 0|1
+		 * email_message: string or ''
+		 * email_subject: string or ''
+		 * inc_user_info: 0|1
+		 * update_email: 0, 1, 2
+		 *
+		 * Old autoresponder settings format:
+		 * auto_responder: 0|1
+		 * ar_email_message: string or ''
+		 * ar_email_to: field id
+		 * ar_plain_text: 0|1
+		 * ar_reply_to_name: string
+		 * ar_reply_to: string
+		 * ar_email_subject: string
+		 * ar_update_email: 0, 1, 2
+		 *
+		 * New email settings:
+		 * post_content: json settings
+		 * post_title: form id
+		 * post_excerpt: message
+		 *
+		 */
+
+		foreach ( $forms as $form ) {
 			if ( $form->is_template && $form->default_template ) {
 				// don't migrate the default templates since the email will be added anyway
 				continue;
 			}
 
-            // Format form options
-            $form_options = maybe_unserialize($form->options);
+			// Format form options
+			$form_options = maybe_unserialize($form->options);
 
-            // Migrate settings to actions
-            FrmXMLHelper::migrate_form_settings_to_actions( $form_options, $form->id );
-        }
-    }
+			// Migrate settings to actions
+			FrmXMLHelper::migrate_form_settings_to_actions( $form_options, $form->id );
+		}
+	}
 
-    private function migrate_to_11() {
-        global $wpdb;
+	private function migrate_to_11() {
+		global $wpdb;
 
-        $forms = FrmDb::get_results( $this->forms, array(), 'id, options');
+		$forms = FrmDb::get_results( $this->forms, array(), 'id, options');
 
-        $sending = __( 'Sending', 'formidable' );
+		$sending = __( 'Sending', 'formidable' );
 		$img = FrmAppHelper::plugin_url() . '/images/ajax_loader.gif';
-        $old_default_html = <<<DEFAULT_HTML
+		$old_default_html = <<<DEFAULT_HTML
 <div class="frm_submit">
 [if back_button]<input type="submit" value="[back_label]" name="frm_prev_page" formnovalidate="formnovalidate" [back_hook] />[/if back_button]
 <input type="submit" value="[button_label]" [button_action] />
 <img class="frm_ajax_loading" src="$img" alt="$sending" style="visibility:hidden;" />
 </div>
 DEFAULT_HTML;
-        unset($sending, $img);
+		unset($sending, $img);
 
-        $new_default_html = FrmFormsHelper::get_default_html('submit');
-        $draft_link = FrmFormsHelper::get_draft_link();
+		$new_default_html = FrmFormsHelper::get_default_html('submit');
+		$draft_link = FrmFormsHelper::get_draft_link();
 		foreach ( $forms as $form ) {
-            $form->options = maybe_unserialize($form->options);
-            if ( ! isset($form->options['submit_html']) || empty($form->options['submit_html']) ) {
-                continue;
-            }
+			$form->options = maybe_unserialize($form->options);
+			if ( ! isset($form->options['submit_html']) || empty($form->options['submit_html']) ) {
+				continue;
+			}
 
-            if ( $form->options['submit_html'] != $new_default_html && $form->options['submit_html'] == $old_default_html ) {
-                $form->options['submit_html'] = $new_default_html;
+			if ( $form->options['submit_html'] != $new_default_html && $form->options['submit_html'] == $old_default_html ) {
+				$form->options['submit_html'] = $new_default_html;
 				$wpdb->update( $this->forms, array( 'options' => serialize( $form->options ) ), array( 'id' => $form->id ) );
 			} else if ( ! strpos( $form->options['submit_html'], 'save_draft' ) ) {
 				$form->options['submit_html'] = preg_replace( '~\<\/div\>(?!.*\<\/div\>)~', $draft_link . "\r\n</div>", $form->options['submit_html'] );
 				$wpdb->update( $this->forms, array( 'options' => serialize( $form->options ) ), array( 'id' => $form->id ) );
-            }
-            unset($form);
-        }
-        unset($forms);
-    }
+			}
+			unset($form);
+		}
+		unset($forms);
+	}
 
-    private function migrate_to_6() {
-        global $wpdb;
+	private function migrate_to_6() {
+		global $wpdb;
 
 		$no_save = array_merge( FrmField::no_save_fields(), array( 'form', 'hidden', 'user_id' ) );
 		$fields = FrmDb::get_results( $this->fields, array( 'type NOT' => $no_save ), 'id, field_options' );
 
-        $default_html = <<<DEFAULT_HTML
+		$default_html = <<<DEFAULT_HTML
 <div id="frm_field_[id]_container" class="form-field [required_class] [error_class]">
     <label class="frm_pos_[label_position]">[field_name]
         <span class="frm_required">[required_label]</span>
@@ -825,7 +825,7 @@ 
 </div>
 DEFAULT_HTML;
 
-        $old_default_html = <<<DEFAULT_HTML
+		$old_default_html = <<<DEFAULT_HTML
 <div id="frm_field_[id]_container" class="form-field [required_class] [error_class]">
     <label class="frm_pos_[label_position]">[field_name]
         <span class="frm_required">[required_label]</span>
@@ -835,23 +835,23 @@ 
 </div>
 DEFAULT_HTML;
 
-        $new_default_html = FrmFieldsHelper::get_default_html('text');
-        foreach ( $fields as $field ) {
-            $field->field_options = maybe_unserialize($field->field_options);
+		$new_default_html = FrmFieldsHelper::get_default_html('text');
+		foreach ( $fields as $field ) {
+			$field->field_options = maybe_unserialize($field->field_options);
 			if ( ! FrmField::is_option_empty( $field, 'custom_html' ) || $field->field_options['custom_html'] == $default_html || $field->field_options['custom_html'] == $old_default_html ) {
-                $field->field_options['custom_html'] = $new_default_html;
+				$field->field_options['custom_html'] = $new_default_html;
 				$wpdb->update( $this->fields, array( 'field_options' => maybe_serialize( $field->field_options ) ), array( 'id' => $field->id ) );
-            }
-            unset($field);
-        }
-        unset($default_html, $old_default_html, $fields);
-    }
-
-    private function migrate_to_4() {
-        global $wpdb;
+			}
+			unset($field);
+		}
+		unset($default_html, $old_default_html, $fields);
+	}
+
+	private function migrate_to_4() {
+		global $wpdb;
 		$user_ids = FrmEntryMeta::getAll( array( 'fi.type' => 'user_id' ) );
-        foreach ( $user_ids as $user_id ) {
+		foreach ( $user_ids as $user_id ) {
 			$wpdb->update( $this->entries, array( 'user_id' => $user_id->meta_value ), array( 'id' => $user_id->item_id ) );
-        }
-    }
+		}
+	}
 }