AyeCode / invoicing

widgets/subscriptions.php

Indentation +15 added lines, -15 removed lines

@@ -46,25 +46,25 @@
         parent::__construct( $options );
     }
 
-	/**
-	 * The Super block output function.
-	 *
-	 * @param array $args
-	 * @param array $widget_args
-	 * @param string $content
-	 *
-	 * @return mixed|string|bool
-	 */
+    /**
+     * The Super block output function.
+     *
+     * @param array $args
+     * @param array $widget_args
+     * @param string $content
+     *
+     * @return mixed|string|bool
+     */
     public function output( $args = array(), $widget_args = array(), $content = '' ) {
 
-	    ob_start();
+        ob_start();
 
-	    do_action( 'wpinv_before_user_subscriptions' );
-	    wpinv_get_template_part( 'wpinv-subscriptions-history' );
-	    do_action( 'wpinv_after_user_subscriptions' );
+        do_action( 'wpinv_before_user_subscriptions' );
+        wpinv_get_template_part( 'wpinv-subscriptions-history' );
+        do_action( 'wpinv_after_user_subscriptions' );
 
-	    $output = ob_get_clean();
-	    return trim($output);
+        $output = ob_get_clean();
+        return trim($output);
 
     }
 

Spacing +10 added lines, -10 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -22,15 +22,15 @@ 
             'block-keywords'=> "['invoicing','subscriptions']",
             'class_name'     => __CLASS__,
             'base_id'       => 'wpinv_subscriptions',
-            'name'          => __('GetPaid > Subscriptions History','invoicing'),
+            'name'          => __('GetPaid > Subscriptions History', 'invoicing'),
             'widget_ops'    => array(
                 'classname'   => 'wpinv-checkout-class  wpi-g',
-                'description' => esc_html__('Displays subscriptions history.','invoicing'),
+                'description' => esc_html__('Displays subscriptions history.', 'invoicing'),
             ),
             'arguments'     => array(
                 'title'  => array(
-                    'title'       => __( 'Widget title', 'invoicing' ),
-                    'desc'        => __( 'Enter widget title.', 'invoicing' ),
+                    'title'       => __('Widget title', 'invoicing'),
+                    'desc'        => __('Enter widget title.', 'invoicing'),
                     'type'        => 'text',
                     'desc_tip'    => true,
                     'default'     => '',
@@ -41,7 +41,7 @@ 
         );
 
 
-        parent::__construct( $options );
+        parent::__construct($options);
     }
 
 	/**
@@ -53,13 +53,13 @@ 
 	 *
 	 * @return mixed|string|bool
 	 */
-    public function output( $args = array(), $widget_args = array(), $content = '' ) {
+    public function output($args = array(), $widget_args = array(), $content = '') {
 
 	    ob_start();
 
-	    do_action( 'wpinv_before_user_subscriptions' );
-	    wpinv_get_template_part( 'wpinv-subscriptions-history' );
-	    do_action( 'wpinv_after_user_subscriptions' );
+	    do_action('wpinv_before_user_subscriptions');
+	    wpinv_get_template_part('wpinv-subscriptions-history');
+	    do_action('wpinv_after_user_subscriptions');
 
 	    $output = ob_get_clean();
 	    return trim($output);

includes/class-getpaid-subscriptions-query.php

Indentation +476 added lines, -476 removed lines

@@ -16,481 +16,481 @@
  */
 class GetPaid_Subscriptions_Query {
 
-	/**
-	 * Query vars, after parsing
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	public $query_vars = array();
-
-	/**
-	 * List of found subscriptions.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	private $results;
-
-	/**
-	 * Total number of found subscriptions for the current query
-	 *
-	 * @since 1.0.19
-	 * @var int
-	 */
-	private $total_subscriptions = 0;
-
-	/**
-	 * The SQL query used to fetch matching subscriptions.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $request;
-
-	// SQL clauses
-
-	/**
-	 * Contains the 'FIELDS' sql clause
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $query_fields;
-
-	/**
-	 * Contains the 'FROM' sql clause
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $query_from;
-
-	/**
-	 * Contains the 'WHERE' sql clause
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $query_where;
-
-	/**
-	 * Contains the 'ORDER BY' sql clause
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $query_orderby;
-
-	/**
-	 * Contains the 'LIMIT' sql clause
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $query_limit;
-
-	/**
-	 * Class constructor.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param null|string|array $query Optional. The query variables.
-	 */
-	public function __construct( $query = null ) {
-		if ( ! is_null( $query ) ) {
-			$this->prepare_query( $query );
-			$this->query();
-		}
-	}
-
-	/**
-	 * Fills in missing query variables with default values.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param  string|array $args Query vars, as passed to `GetPaid_Subscriptions_Query`.
-	 * @return array Complete query variables with undefined ones filled in with defaults.
-	 */
-	public static function fill_query_vars( $args ) {
-		$defaults = array(
-			'status'            => 'all',
-			'customer_in'       => array(),
-			'customer_not_in'   => array(),
-			'product_in'        => array(),
-			'product_not_in'    => array(),
-			'include'           => array(),
-			'exclude'           => array(),
-			'orderby'           => 'id',
-			'order'             => 'DESC',
-			'offset'            => '',
-			'number'            => 10,
-			'paged'             => 1,
-			'count_total'       => true,
-			'fields'            => 'all',
-		);
-
-		return wp_parse_args( $args, $defaults );
-	}
-
-	/**
-	 * Prepare the query variables.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @global wpdb $wpdb WordPress database abstraction object.
-	 *
-	 * @param string|array $query {
-	 *     Optional. Array or string of Query parameters.
-	 *
-	 *     @type string|array $status              The subscription status to filter by. Can either be a single status or an array of statuses.
-	 *                                             Default is all.
-	 *     @type int[]        $customer_in         An array of customer ids to filter by.
-	 *     @type int[]        $customer_not_in     An array of customer ids whose subscriptions should be excluded.
-	 *     @type int[]        $product_in          An array of product ids to filter by.
-	 *     @type int[]        $product_not_in      An array of product ids whose subscriptions should be excluded.
-	 *     @type array        $date_created_query  A WP_Date_Query compatible array use to filter subscriptions by their date of creation.
-	 *     @type array        $date_expires_query  A WP_Date_Query compatible array use to filter subscriptions by their expiration date.
-	 *     @type array        $include             An array of subscription IDs to include. Default empty array.
-	 *     @type array        $exclude             An array of subscription IDs to exclude. Default empty array.
-	 *     @type string|array $orderby             Field(s) to sort the retrieved subscription by. May be a single value,
-	 *                                             an array of values, or a multi-dimensional array with fields as
-	 *                                             keys and orders ('ASC' or 'DESC') as values. Accepted values are
-	 *                                             'id', 'customer_id', 'frequency', 'period', 'initial_amount,
-	 *                                             'recurring_amount', 'bill_times', 'parent_payment_id', 'created', 'expiration'
-	 *                                             'transaction_id', 'product_id', 'trial_period', 'include', 'status', 'profile_id'. Default array( 'id' ).
-	 *     @type string       $order               Designates ascending or descending order of subscriptions. Order values
-	 *                                             passed as part of an `$orderby` array take precedence over this
-	 *                                             parameter. Accepts 'ASC', 'DESC'. Default 'DESC'.
-	 *     @type int          $offset              Number of subscriptions to offset in retrieved results. Can be used in
-	 *                                             conjunction with pagination. Default 0.
-	 *     @type int          $number              Number of subscriptions to limit the query for. Can be used in
-	 *                                             conjunction with pagination. Value -1 (all) is supported, but
-	 *                                             should be used with caution on larger sites.
-	 *                                             Default 10.
-	 *     @type int          $paged               When used with number, defines the page of results to return.
-	 *                                             Default 1.
-	 *     @type bool         $count_total         Whether to count the total number of subscriptions found. If pagination
-	 *                                             is not needed, setting this to false can improve performance.
-	 *                                             Default true.
-	 *     @type string|array $fields              Which fields to return. Single or all fields (string), or array
-	 *                                             of fields. Accepts 'id', 'customer_id', 'frequency', 'period', 'initial_amount,
-	 *                                             'recurring_amount', 'bill_times', 'parent_payment_id', 'created', 'expiration'
-	 *                                             'transaction_id', 'product_id', 'trial_period', 'status', 'profile_id'.
-	 *                                             Use 'all' for all fields. Default 'all'.
-	 * }
-	 */
-	public function prepare_query( $query = array() ) {
-		global $wpdb;
-
-		if ( empty( $this->query_vars ) || ! empty( $query ) ) {
-			$this->query_limit = null;
-			$this->query_vars  = $this->fill_query_vars( $query );
-		}
-
-		if ( ! empty( $this->query_vars['fields'] ) && 'all' !== $this->query_vars['fields'] ) {
-			$this->query_vars['fields'] = wpinv_parse_list( $this->query_vars['fields'] );
-		}
-
-		do_action( 'getpaid_pre_get_subscriptions', array( &$this ) );
-
-		// Ensure that query vars are filled after 'getpaid_pre_get_subscriptions'.
-		$qv                =& $this->query_vars;
-		$qv                = $this->fill_query_vars( $qv );
-		$table             = $wpdb->prefix . 'wpinv_subscriptions';
-		$this->query_from  = "FROM $table";
-
-		// Prepare query fields.
-		$this->prepare_query_fields( $qv, $table );
-
-		// Prepare query where.
-		$this->prepare_query_where( $qv, $table );
-
-		// Prepare query order.
-		$this->prepare_query_order( $qv, $table );
-
-		// limit
-		if ( isset( $qv['number'] ) && $qv['number'] > 0 ) {
-			if ( $qv['offset'] ) {
-				$this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['offset'], $qv['number'] );
-			} else {
-				$this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['number'] * ( $qv['paged'] - 1 ), $qv['number'] );
-			}
-		}
-
-		do_action_ref_array( 'getpaid_after_subscriptions_query', array( &$this ) );
-	}
-
-	/**
-	 * Prepares the query fields.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param array $qv Query vars.
-	 * @param string $table Table name.
-	 */
-	protected function prepare_query_fields( &$qv, $table ) {
-
-		if ( is_array( $qv['fields'] ) ) {
-			$qv['fields'] = array_unique( $qv['fields'] );
-
-			$query_fields = array();
-			foreach ( $qv['fields'] as $field ) {
-				$field          = sanitize_key( $field );
-				$query_fields[] = "$table.`$field`";
-			}
-			$this->query_fields = implode( ',', $query_fields );
-		} else {
-			$this->query_fields = "$table.*";
-		}
-
-		if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
-			$this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields;
-		}
-
-	}
-
-	/**
-	 * Prepares the query where.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param array $qv Query vars.
-	 * @param string $table Table name.
-	 */
-	protected function prepare_query_where( &$qv, $table ) {
-		global $wpdb;
-		$this->query_where = 'WHERE 1=1';
-
-		// Status.
-		if ( 'all' !== $qv['status'] ) {
-			$statuses           = wpinv_clean( wpinv_parse_list( $qv['status'] ) );
-			$prepared_statuses  = join( ',', array_fill( 0, count( $statuses ), '%s' ) );
-			$this->query_where .= $wpdb->prepare( " AND $table.`status` IN ( $prepared_statuses )", $statuses );
-		}
-
-		if ( ! empty( $qv['customer_in'] ) ) {
-			$customer_in        = implode( ',', wp_parse_id_list( $qv['customer_in'] ) );
-			$this->query_where .= " AND $table.`customer_id` IN ($customer_in)";
-		} elseif ( ! empty( $qv['customer_not_in'] ) ) {
-			$customer_not_in    = implode( ',', wp_parse_id_list( $qv['customer_not_in'] ) );
-			$this->query_where .= " AND $table.`customer_id` NOT IN ($customer_not_in)";
-		}
-
-		if ( ! empty( $qv['product_in'] ) ) {
-			$product_in         = implode( ',', wp_parse_id_list( $qv['product_in'] ) );
-			$this->query_where .= " AND $table.`product_id` IN ($product_in)";
-		} elseif ( ! empty( $qv['product_not_in'] ) ) {
-			$product_not_in     = implode( ',', wp_parse_id_list( $qv['product_not_in'] ) );
-			$this->query_where .= " AND $table.`product_id` NOT IN ($product_not_in)";
-		}
-
-		if ( ! empty( $qv['include'] ) ) {
-			$include            = implode( ',', wp_parse_id_list( $qv['include'] ) );
-			$this->query_where .= " AND $table.`id` IN ($include)";
-		} elseif ( ! empty( $qv['exclude'] ) ) {
-			$exclude            = implode( ',', wp_parse_id_list( $qv['exclude'] ) );
-			$this->query_where .= " AND $table.`id` NOT IN ($exclude)";
-		}
-
-		// Date queries are allowed for the subscription creation date.
-		if ( ! empty( $qv['date_created_query'] ) && is_array( $qv['date_created_query'] ) ) {
-			$date_created_query = new WP_Date_Query( $qv['date_created_query'], "$table.created" );
-			$this->query_where .= $date_created_query->get_sql();
-		}
-
-		// Date queries are also allowed for the subscription expiration date.
-		if ( ! empty( $qv['date_expires_query'] ) && is_array( $qv['date_expires_query'] ) ) {
-			$date_expires_query = new WP_Date_Query( $qv['date_expires_query'], "$table.expiration" );
-			$this->query_where .= $date_expires_query->get_sql();
-		}
-
-	}
-
-	/**
-	 * Prepares the query order.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param array $qv Query vars.
-	 * @param string $table Table name.
-	 */
-	protected function prepare_query_order( &$qv, $table ) {
-
-		// sorting.
-		$qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : '';
-		$order       = $this->parse_order( $qv['order'] );
-
-		// Default order is by 'id' (latest subscriptions).
-		if ( empty( $qv['orderby'] ) ) {
-			$qv['orderby'] = array( 'id' );
-		}
-
-		// 'orderby' values may be an array, comma- or space-separated list.
-		$ordersby      = array_filter( wpinv_parse_list(  $qv['orderby'] ) );
-
-		$orderby_array = array();
-		foreach ( $ordersby as $_key => $_value ) {
-
-			if ( is_int( $_key ) ) {
-				// Integer key means this is a flat array of 'orderby' fields.
-				$_orderby = $_value;
-				$_order   = $order;
-			} else {
-				// Non-integer key means that the key is the field and the value is ASC/DESC.
-				$_orderby = $_key;
-				$_order   = $_value;
-			}
-
-			$parsed = $this->parse_orderby( $_orderby, $table );
-
-			if ( $parsed ) {
-				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
-			}
-
-		}
-
-		// If no valid clauses were found, order by id.
-		if ( empty( $orderby_array ) ) {
-			$orderby_array[] = "id $order";
-		}
-
-		$this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array );
-
-	}
-
-	/**
-	 * Execute the query, with the current variables.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @global wpdb $wpdb WordPress database abstraction object.
-	 */
-	public function query() {
-		global $wpdb;
-
-		$qv =& $this->query_vars;
-
-		// Return a non-null value to bypass the default GetPaid subscriptions query and remember to set the
-		// total_subscriptions property.
-		$this->results = apply_filters_ref_array( 'getpaid_subscriptions_pre_query', array( null, &$this ) );
-
-		if ( null === $this->results ) {
-			$this->request = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit";
-
-			if ( ( is_array( $qv['fields'] ) && 1 != count( $qv['fields'] ) ) || 'all' == $qv['fields'] ) {
-				$this->results = $wpdb->get_results( $this->request );
-			} else {
-				$this->results = $wpdb->get_col( $this->request );
-			}
-
-			if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
-				$found_subscriptions_query = apply_filters( 'getpaid_found_subscriptions_query', 'SELECT FOUND_ROWS()', $this );
-				$this->total_subscriptions   = (int) $wpdb->get_var( $found_subscriptions_query );
-			}
-		}
-
-		if ( 'all' == $qv['fields'] ) {
-			foreach ( $this->results as $key => $subscription ) {
-				$this->results[ $key ] = new WPInv_Subscription( $subscription );
-			}
-		}
-
-	}
-
-	/**
-	 * Retrieve query variable.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $query_var Query variable key.
-	 * @return mixed
-	 */
-	public function get( $query_var ) {
-		if ( isset( $this->query_vars[ $query_var ] ) ) {
-			return $this->query_vars[ $query_var ];
-		}
-
-		return null;
-	}
-
-	/**
-	 * Set query variable.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $query_var Query variable key.
-	 * @param mixed $value Query variable value.
-	 */
-	public function set( $query_var, $value ) {
-		$this->query_vars[ $query_var ] = $value;
-	}
-
-	/**
-	 * Return the list of subscriptions.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @return WPInv_Subscription[]|array Found subscriptions.
-	 */
-	public function get_results() {
-		return $this->results;
-	}
-
-	/**
-	 * Return the total number of subscriptions for the current query.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @return int Number of total subscriptions.
-	 */
-	public function get_total() {
-		return $this->total_subscriptions;
-	}
-
-	/**
-	 * Parse and sanitize 'orderby' keys passed to the subscriptions query.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $orderby Alias for the field to order by.
-	 *  @param string $table The current table.
-	 * @return string Value to use in the ORDER clause, if `$orderby` is valid.
-	 */
-	protected function parse_orderby( $orderby, $table ) {
-
-		$_orderby = '';
-		if ( in_array( $orderby, array( 'customer_id', 'frequency', 'period', 'initial_amount', 'recurring_amount', 'bill_times', 'transaction_id', 'parent_payment_id', 'product_id', 'created', 'expiration', 'trial_period', 'status', 'profile_id' ) ) ) {
-			$_orderby = "$table.`$orderby`";
-		} elseif ( 'id' === strtolower( $orderby ) ) {
-			$_orderby = "$table.id";
-		} elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) {
-			$include     = wp_parse_id_list( $this->query_vars['include'] );
-			$include_sql = implode( ',', $include );
-			$_orderby    = "FIELD( $table.id, $include_sql )";
-		}
-
-		return $_orderby;
-	}
-
-	/**
-	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $order The 'order' query variable.
-	 * @return string The sanitized 'order' query variable.
-	 */
-	protected function parse_order( $order ) {
-		if ( ! is_string( $order ) || empty( $order ) ) {
-			return 'DESC';
-		}
-
-		if ( 'ASC' === strtoupper( $order ) ) {
-			return 'ASC';
-		} else {
-			return 'DESC';
-		}
-	}
+    /**
+     * Query vars, after parsing
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    public $query_vars = array();
+
+    /**
+     * List of found subscriptions.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    private $results;
+
+    /**
+     * Total number of found subscriptions for the current query
+     *
+     * @since 1.0.19
+     * @var int
+     */
+    private $total_subscriptions = 0;
+
+    /**
+     * The SQL query used to fetch matching subscriptions.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $request;
+
+    // SQL clauses
+
+    /**
+     * Contains the 'FIELDS' sql clause
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $query_fields;
+
+    /**
+     * Contains the 'FROM' sql clause
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $query_from;
+
+    /**
+     * Contains the 'WHERE' sql clause
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $query_where;
+
+    /**
+     * Contains the 'ORDER BY' sql clause
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $query_orderby;
+
+    /**
+     * Contains the 'LIMIT' sql clause
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $query_limit;
+
+    /**
+     * Class constructor.
+     *
+     * @since 1.0.19
+     *
+     * @param null|string|array $query Optional. The query variables.
+     */
+    public function __construct( $query = null ) {
+        if ( ! is_null( $query ) ) {
+            $this->prepare_query( $query );
+            $this->query();
+        }
+    }
+
+    /**
+     * Fills in missing query variables with default values.
+     *
+     * @since 1.0.19
+     *
+     * @param  string|array $args Query vars, as passed to `GetPaid_Subscriptions_Query`.
+     * @return array Complete query variables with undefined ones filled in with defaults.
+     */
+    public static function fill_query_vars( $args ) {
+        $defaults = array(
+            'status'            => 'all',
+            'customer_in'       => array(),
+            'customer_not_in'   => array(),
+            'product_in'        => array(),
+            'product_not_in'    => array(),
+            'include'           => array(),
+            'exclude'           => array(),
+            'orderby'           => 'id',
+            'order'             => 'DESC',
+            'offset'            => '',
+            'number'            => 10,
+            'paged'             => 1,
+            'count_total'       => true,
+            'fields'            => 'all',
+        );
+
+        return wp_parse_args( $args, $defaults );
+    }
+
+    /**
+     * Prepare the query variables.
+     *
+     * @since 1.0.19
+     *
+     * @global wpdb $wpdb WordPress database abstraction object.
+     *
+     * @param string|array $query {
+     *     Optional. Array or string of Query parameters.
+     *
+     *     @type string|array $status              The subscription status to filter by. Can either be a single status or an array of statuses.
+     *                                             Default is all.
+     *     @type int[]        $customer_in         An array of customer ids to filter by.
+     *     @type int[]        $customer_not_in     An array of customer ids whose subscriptions should be excluded.
+     *     @type int[]        $product_in          An array of product ids to filter by.
+     *     @type int[]        $product_not_in      An array of product ids whose subscriptions should be excluded.
+     *     @type array        $date_created_query  A WP_Date_Query compatible array use to filter subscriptions by their date of creation.
+     *     @type array        $date_expires_query  A WP_Date_Query compatible array use to filter subscriptions by their expiration date.
+     *     @type array        $include             An array of subscription IDs to include. Default empty array.
+     *     @type array        $exclude             An array of subscription IDs to exclude. Default empty array.
+     *     @type string|array $orderby             Field(s) to sort the retrieved subscription by. May be a single value,
+     *                                             an array of values, or a multi-dimensional array with fields as
+     *                                             keys and orders ('ASC' or 'DESC') as values. Accepted values are
+     *                                             'id', 'customer_id', 'frequency', 'period', 'initial_amount,
+     *                                             'recurring_amount', 'bill_times', 'parent_payment_id', 'created', 'expiration'
+     *                                             'transaction_id', 'product_id', 'trial_period', 'include', 'status', 'profile_id'. Default array( 'id' ).
+     *     @type string       $order               Designates ascending or descending order of subscriptions. Order values
+     *                                             passed as part of an `$orderby` array take precedence over this
+     *                                             parameter. Accepts 'ASC', 'DESC'. Default 'DESC'.
+     *     @type int          $offset              Number of subscriptions to offset in retrieved results. Can be used in
+     *                                             conjunction with pagination. Default 0.
+     *     @type int          $number              Number of subscriptions to limit the query for. Can be used in
+     *                                             conjunction with pagination. Value -1 (all) is supported, but
+     *                                             should be used with caution on larger sites.
+     *                                             Default 10.
+     *     @type int          $paged               When used with number, defines the page of results to return.
+     *                                             Default 1.
+     *     @type bool         $count_total         Whether to count the total number of subscriptions found. If pagination
+     *                                             is not needed, setting this to false can improve performance.
+     *                                             Default true.
+     *     @type string|array $fields              Which fields to return. Single or all fields (string), or array
+     *                                             of fields. Accepts 'id', 'customer_id', 'frequency', 'period', 'initial_amount,
+     *                                             'recurring_amount', 'bill_times', 'parent_payment_id', 'created', 'expiration'
+     *                                             'transaction_id', 'product_id', 'trial_period', 'status', 'profile_id'.
+     *                                             Use 'all' for all fields. Default 'all'.
+     * }
+     */
+    public function prepare_query( $query = array() ) {
+        global $wpdb;
+
+        if ( empty( $this->query_vars ) || ! empty( $query ) ) {
+            $this->query_limit = null;
+            $this->query_vars  = $this->fill_query_vars( $query );
+        }
+
+        if ( ! empty( $this->query_vars['fields'] ) && 'all' !== $this->query_vars['fields'] ) {
+            $this->query_vars['fields'] = wpinv_parse_list( $this->query_vars['fields'] );
+        }
+
+        do_action( 'getpaid_pre_get_subscriptions', array( &$this ) );
+
+        // Ensure that query vars are filled after 'getpaid_pre_get_subscriptions'.
+        $qv                =& $this->query_vars;
+        $qv                = $this->fill_query_vars( $qv );
+        $table             = $wpdb->prefix . 'wpinv_subscriptions';
+        $this->query_from  = "FROM $table";
+
+        // Prepare query fields.
+        $this->prepare_query_fields( $qv, $table );
+
+        // Prepare query where.
+        $this->prepare_query_where( $qv, $table );
+
+        // Prepare query order.
+        $this->prepare_query_order( $qv, $table );
+
+        // limit
+        if ( isset( $qv['number'] ) && $qv['number'] > 0 ) {
+            if ( $qv['offset'] ) {
+                $this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['offset'], $qv['number'] );
+            } else {
+                $this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['number'] * ( $qv['paged'] - 1 ), $qv['number'] );
+            }
+        }
+
+        do_action_ref_array( 'getpaid_after_subscriptions_query', array( &$this ) );
+    }
+
+    /**
+     * Prepares the query fields.
+     *
+     * @since 1.0.19
+     *
+     * @param array $qv Query vars.
+     * @param string $table Table name.
+     */
+    protected function prepare_query_fields( &$qv, $table ) {
+
+        if ( is_array( $qv['fields'] ) ) {
+            $qv['fields'] = array_unique( $qv['fields'] );
+
+            $query_fields = array();
+            foreach ( $qv['fields'] as $field ) {
+                $field          = sanitize_key( $field );
+                $query_fields[] = "$table.`$field`";
+            }
+            $this->query_fields = implode( ',', $query_fields );
+        } else {
+            $this->query_fields = "$table.*";
+        }
+
+        if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
+            $this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields;
+        }
+
+    }
+
+    /**
+     * Prepares the query where.
+     *
+     * @since 1.0.19
+     *
+     * @param array $qv Query vars.
+     * @param string $table Table name.
+     */
+    protected function prepare_query_where( &$qv, $table ) {
+        global $wpdb;
+        $this->query_where = 'WHERE 1=1';
+
+        // Status.
+        if ( 'all' !== $qv['status'] ) {
+            $statuses           = wpinv_clean( wpinv_parse_list( $qv['status'] ) );
+            $prepared_statuses  = join( ',', array_fill( 0, count( $statuses ), '%s' ) );
+            $this->query_where .= $wpdb->prepare( " AND $table.`status` IN ( $prepared_statuses )", $statuses );
+        }
+
+        if ( ! empty( $qv['customer_in'] ) ) {
+            $customer_in        = implode( ',', wp_parse_id_list( $qv['customer_in'] ) );
+            $this->query_where .= " AND $table.`customer_id` IN ($customer_in)";
+        } elseif ( ! empty( $qv['customer_not_in'] ) ) {
+            $customer_not_in    = implode( ',', wp_parse_id_list( $qv['customer_not_in'] ) );
+            $this->query_where .= " AND $table.`customer_id` NOT IN ($customer_not_in)";
+        }
+
+        if ( ! empty( $qv['product_in'] ) ) {
+            $product_in         = implode( ',', wp_parse_id_list( $qv['product_in'] ) );
+            $this->query_where .= " AND $table.`product_id` IN ($product_in)";
+        } elseif ( ! empty( $qv['product_not_in'] ) ) {
+            $product_not_in     = implode( ',', wp_parse_id_list( $qv['product_not_in'] ) );
+            $this->query_where .= " AND $table.`product_id` NOT IN ($product_not_in)";
+        }
+
+        if ( ! empty( $qv['include'] ) ) {
+            $include            = implode( ',', wp_parse_id_list( $qv['include'] ) );
+            $this->query_where .= " AND $table.`id` IN ($include)";
+        } elseif ( ! empty( $qv['exclude'] ) ) {
+            $exclude            = implode( ',', wp_parse_id_list( $qv['exclude'] ) );
+            $this->query_where .= " AND $table.`id` NOT IN ($exclude)";
+        }
+
+        // Date queries are allowed for the subscription creation date.
+        if ( ! empty( $qv['date_created_query'] ) && is_array( $qv['date_created_query'] ) ) {
+            $date_created_query = new WP_Date_Query( $qv['date_created_query'], "$table.created" );
+            $this->query_where .= $date_created_query->get_sql();
+        }
+
+        // Date queries are also allowed for the subscription expiration date.
+        if ( ! empty( $qv['date_expires_query'] ) && is_array( $qv['date_expires_query'] ) ) {
+            $date_expires_query = new WP_Date_Query( $qv['date_expires_query'], "$table.expiration" );
+            $this->query_where .= $date_expires_query->get_sql();
+        }
+
+    }
+
+    /**
+     * Prepares the query order.
+     *
+     * @since 1.0.19
+     *
+     * @param array $qv Query vars.
+     * @param string $table Table name.
+     */
+    protected function prepare_query_order( &$qv, $table ) {
+
+        // sorting.
+        $qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : '';
+        $order       = $this->parse_order( $qv['order'] );
+
+        // Default order is by 'id' (latest subscriptions).
+        if ( empty( $qv['orderby'] ) ) {
+            $qv['orderby'] = array( 'id' );
+        }
+
+        // 'orderby' values may be an array, comma- or space-separated list.
+        $ordersby      = array_filter( wpinv_parse_list(  $qv['orderby'] ) );
+
+        $orderby_array = array();
+        foreach ( $ordersby as $_key => $_value ) {
+
+            if ( is_int( $_key ) ) {
+                // Integer key means this is a flat array of 'orderby' fields.
+                $_orderby = $_value;
+                $_order   = $order;
+            } else {
+                // Non-integer key means that the key is the field and the value is ASC/DESC.
+                $_orderby = $_key;
+                $_order   = $_value;
+            }
+
+            $parsed = $this->parse_orderby( $_orderby, $table );
+
+            if ( $parsed ) {
+                $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+            }
+
+        }
+
+        // If no valid clauses were found, order by id.
+        if ( empty( $orderby_array ) ) {
+            $orderby_array[] = "id $order";
+        }
+
+        $this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array );
+
+    }
+
+    /**
+     * Execute the query, with the current variables.
+     *
+     * @since 1.0.19
+     *
+     * @global wpdb $wpdb WordPress database abstraction object.
+     */
+    public function query() {
+        global $wpdb;
+
+        $qv =& $this->query_vars;
+
+        // Return a non-null value to bypass the default GetPaid subscriptions query and remember to set the
+        // total_subscriptions property.
+        $this->results = apply_filters_ref_array( 'getpaid_subscriptions_pre_query', array( null, &$this ) );
+
+        if ( null === $this->results ) {
+            $this->request = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit";
+
+            if ( ( is_array( $qv['fields'] ) && 1 != count( $qv['fields'] ) ) || 'all' == $qv['fields'] ) {
+                $this->results = $wpdb->get_results( $this->request );
+            } else {
+                $this->results = $wpdb->get_col( $this->request );
+            }
+
+            if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
+                $found_subscriptions_query = apply_filters( 'getpaid_found_subscriptions_query', 'SELECT FOUND_ROWS()', $this );
+                $this->total_subscriptions   = (int) $wpdb->get_var( $found_subscriptions_query );
+            }
+        }
+
+        if ( 'all' == $qv['fields'] ) {
+            foreach ( $this->results as $key => $subscription ) {
+                $this->results[ $key ] = new WPInv_Subscription( $subscription );
+            }
+        }
+
+    }
+
+    /**
+     * Retrieve query variable.
+     *
+     * @since 1.0.19
+     *
+     * @param string $query_var Query variable key.
+     * @return mixed
+     */
+    public function get( $query_var ) {
+        if ( isset( $this->query_vars[ $query_var ] ) ) {
+            return $this->query_vars[ $query_var ];
+        }
+
+        return null;
+    }
+
+    /**
+     * Set query variable.
+     *
+     * @since 1.0.19
+     *
+     * @param string $query_var Query variable key.
+     * @param mixed $value Query variable value.
+     */
+    public function set( $query_var, $value ) {
+        $this->query_vars[ $query_var ] = $value;
+    }
+
+    /**
+     * Return the list of subscriptions.
+     *
+     * @since 1.0.19
+     *
+     * @return WPInv_Subscription[]|array Found subscriptions.
+     */
+    public function get_results() {
+        return $this->results;
+    }
+
+    /**
+     * Return the total number of subscriptions for the current query.
+     *
+     * @since 1.0.19
+     *
+     * @return int Number of total subscriptions.
+     */
+    public function get_total() {
+        return $this->total_subscriptions;
+    }
+
+    /**
+     * Parse and sanitize 'orderby' keys passed to the subscriptions query.
+     *
+     * @since 1.0.19
+     *
+     * @param string $orderby Alias for the field to order by.
+     *  @param string $table The current table.
+     * @return string Value to use in the ORDER clause, if `$orderby` is valid.
+     */
+    protected function parse_orderby( $orderby, $table ) {
+
+        $_orderby = '';
+        if ( in_array( $orderby, array( 'customer_id', 'frequency', 'period', 'initial_amount', 'recurring_amount', 'bill_times', 'transaction_id', 'parent_payment_id', 'product_id', 'created', 'expiration', 'trial_period', 'status', 'profile_id' ) ) ) {
+            $_orderby = "$table.`$orderby`";
+        } elseif ( 'id' === strtolower( $orderby ) ) {
+            $_orderby = "$table.id";
+        } elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) {
+            $include     = wp_parse_id_list( $this->query_vars['include'] );
+            $include_sql = implode( ',', $include );
+            $_orderby    = "FIELD( $table.id, $include_sql )";
+        }
+
+        return $_orderby;
+    }
+
+    /**
+     * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+     *
+     * @since 1.0.19
+     *
+     * @param string $order The 'order' query variable.
+     * @return string The sanitized 'order' query variable.
+     */
+    protected function parse_order( $order ) {
+        if ( ! is_string( $order ) || empty( $order ) ) {
+            return 'DESC';
+        }
+
+        if ( 'ASC' === strtoupper( $order ) ) {
+            return 'ASC';
+        } else {
+            return 'DESC';
+        }
+    }
 
 }

Spacing +88 added lines, -88 removed lines

@@ -97,9 +97,9 @@ 
 	 *
 	 * @param null|string|array $query Optional. The query variables.
 	 */
-	public function __construct( $query = null ) {
-		if ( ! is_null( $query ) ) {
-			$this->prepare_query( $query );
+	public function __construct($query = null) {
+		if (!is_null($query)) {
+			$this->prepare_query($query);
 			$this->query();
 		}
 	}
@@ -112,7 +112,7 @@ 
 	 * @param  string|array $args Query vars, as passed to `GetPaid_Subscriptions_Query`.
 	 * @return array Complete query variables with undefined ones filled in with defaults.
 	 */
-	public static function fill_query_vars( $args ) {
+	public static function fill_query_vars($args) {
 		$defaults = array(
 			'status'            => 'all',
 			'customer_in'       => array(),
@@ -130,7 +130,7 @@ 
 			'fields'            => 'all',
 		);
 
-		return wp_parse_args( $args, $defaults );
+		return wp_parse_args($args, $defaults);
 	}
 
 	/**
@@ -180,45 +180,45 @@ 
 	 *                                             Use 'all' for all fields. Default 'all'.
 	 * }
 	 */
-	public function prepare_query( $query = array() ) {
+	public function prepare_query($query = array()) {
 		global $wpdb;
 
-		if ( empty( $this->query_vars ) || ! empty( $query ) ) {
+		if (empty($this->query_vars) || !empty($query)) {
 			$this->query_limit = null;
-			$this->query_vars  = $this->fill_query_vars( $query );
+			$this->query_vars  = $this->fill_query_vars($query);
 		}
 
-		if ( ! empty( $this->query_vars['fields'] ) && 'all' !== $this->query_vars['fields'] ) {
-			$this->query_vars['fields'] = wpinv_parse_list( $this->query_vars['fields'] );
+		if (!empty($this->query_vars['fields']) && 'all' !== $this->query_vars['fields']) {
+			$this->query_vars['fields'] = wpinv_parse_list($this->query_vars['fields']);
 		}
 
-		do_action( 'getpaid_pre_get_subscriptions', array( &$this ) );
+		do_action('getpaid_pre_get_subscriptions', array(&$this));
 
 		// Ensure that query vars are filled after 'getpaid_pre_get_subscriptions'.
-		$qv                =& $this->query_vars;
-		$qv                = $this->fill_query_vars( $qv );
+		$qv                = & $this->query_vars;
+		$qv                = $this->fill_query_vars($qv);
 		$table             = $wpdb->prefix . 'wpinv_subscriptions';
 		$this->query_from  = "FROM $table";
 
 		// Prepare query fields.
-		$this->prepare_query_fields( $qv, $table );
+		$this->prepare_query_fields($qv, $table);
 
 		// Prepare query where.
-		$this->prepare_query_where( $qv, $table );
+		$this->prepare_query_where($qv, $table);
 
 		// Prepare query order.
-		$this->prepare_query_order( $qv, $table );
+		$this->prepare_query_order($qv, $table);
 
 		// limit
-		if ( isset( $qv['number'] ) && $qv['number'] > 0 ) {
-			if ( $qv['offset'] ) {
-				$this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['offset'], $qv['number'] );
+		if (isset($qv['number']) && $qv['number'] > 0) {
+			if ($qv['offset']) {
+				$this->query_limit = $wpdb->prepare('LIMIT %d, %d', $qv['offset'], $qv['number']);
 			} else {
-				$this->query_limit = $wpdb->prepare( 'LIMIT %d, %d', $qv['number'] * ( $qv['paged'] - 1 ), $qv['number'] );
+				$this->query_limit = $wpdb->prepare('LIMIT %d, %d', $qv['number'] * ($qv['paged'] - 1), $qv['number']);
 			}
 		}
 
-		do_action_ref_array( 'getpaid_after_subscriptions_query', array( &$this ) );
+		do_action_ref_array('getpaid_after_subscriptions_query', array(&$this));
 	}
 
 	/**
@@ -229,22 +229,22 @@ 
 	 * @param array $qv Query vars.
 	 * @param string $table Table name.
 	 */
-	protected function prepare_query_fields( &$qv, $table ) {
+	protected function prepare_query_fields(&$qv, $table) {
 
-		if ( is_array( $qv['fields'] ) ) {
-			$qv['fields'] = array_unique( $qv['fields'] );
+		if (is_array($qv['fields'])) {
+			$qv['fields'] = array_unique($qv['fields']);
 
 			$query_fields = array();
-			foreach ( $qv['fields'] as $field ) {
-				$field          = sanitize_key( $field );
+			foreach ($qv['fields'] as $field) {
+				$field          = sanitize_key($field);
 				$query_fields[] = "$table.`$field`";
 			}
-			$this->query_fields = implode( ',', $query_fields );
+			$this->query_fields = implode(',', $query_fields);
 		} else {
 			$this->query_fields = "$table.*";
 		}
 
-		if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
+		if (isset($qv['count_total']) && $qv['count_total']) {
 			$this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields;
 		}
 
@@ -258,50 +258,50 @@ 
 	 * @param array $qv Query vars.
 	 * @param string $table Table name.
 	 */
-	protected function prepare_query_where( &$qv, $table ) {
+	protected function prepare_query_where(&$qv, $table) {
 		global $wpdb;
 		$this->query_where = 'WHERE 1=1';
 
 		// Status.
-		if ( 'all' !== $qv['status'] ) {
-			$statuses           = wpinv_clean( wpinv_parse_list( $qv['status'] ) );
-			$prepared_statuses  = join( ',', array_fill( 0, count( $statuses ), '%s' ) );
-			$this->query_where .= $wpdb->prepare( " AND $table.`status` IN ( $prepared_statuses )", $statuses );
+		if ('all' !== $qv['status']) {
+			$statuses           = wpinv_clean(wpinv_parse_list($qv['status']));
+			$prepared_statuses  = join(',', array_fill(0, count($statuses), '%s'));
+			$this->query_where .= $wpdb->prepare(" AND $table.`status` IN ( $prepared_statuses )", $statuses);
 		}
 
-		if ( ! empty( $qv['customer_in'] ) ) {
-			$customer_in        = implode( ',', wp_parse_id_list( $qv['customer_in'] ) );
+		if (!empty($qv['customer_in'])) {
+			$customer_in        = implode(',', wp_parse_id_list($qv['customer_in']));
 			$this->query_where .= " AND $table.`customer_id` IN ($customer_in)";
-		} elseif ( ! empty( $qv['customer_not_in'] ) ) {
-			$customer_not_in    = implode( ',', wp_parse_id_list( $qv['customer_not_in'] ) );
+		} elseif (!empty($qv['customer_not_in'])) {
+			$customer_not_in    = implode(',', wp_parse_id_list($qv['customer_not_in']));
 			$this->query_where .= " AND $table.`customer_id` NOT IN ($customer_not_in)";
 		}
 
-		if ( ! empty( $qv['product_in'] ) ) {
-			$product_in         = implode( ',', wp_parse_id_list( $qv['product_in'] ) );
+		if (!empty($qv['product_in'])) {
+			$product_in         = implode(',', wp_parse_id_list($qv['product_in']));
 			$this->query_where .= " AND $table.`product_id` IN ($product_in)";
-		} elseif ( ! empty( $qv['product_not_in'] ) ) {
-			$product_not_in     = implode( ',', wp_parse_id_list( $qv['product_not_in'] ) );
+		} elseif (!empty($qv['product_not_in'])) {
+			$product_not_in     = implode(',', wp_parse_id_list($qv['product_not_in']));
 			$this->query_where .= " AND $table.`product_id` NOT IN ($product_not_in)";
 		}
 
-		if ( ! empty( $qv['include'] ) ) {
-			$include            = implode( ',', wp_parse_id_list( $qv['include'] ) );
+		if (!empty($qv['include'])) {
+			$include            = implode(',', wp_parse_id_list($qv['include']));
 			$this->query_where .= " AND $table.`id` IN ($include)";
-		} elseif ( ! empty( $qv['exclude'] ) ) {
-			$exclude            = implode( ',', wp_parse_id_list( $qv['exclude'] ) );
+		} elseif (!empty($qv['exclude'])) {
+			$exclude            = implode(',', wp_parse_id_list($qv['exclude']));
 			$this->query_where .= " AND $table.`id` NOT IN ($exclude)";
 		}
 
 		// Date queries are allowed for the subscription creation date.
-		if ( ! empty( $qv['date_created_query'] ) && is_array( $qv['date_created_query'] ) ) {
-			$date_created_query = new WP_Date_Query( $qv['date_created_query'], "$table.created" );
+		if (!empty($qv['date_created_query']) && is_array($qv['date_created_query'])) {
+			$date_created_query = new WP_Date_Query($qv['date_created_query'], "$table.created");
 			$this->query_where .= $date_created_query->get_sql();
 		}
 
 		// Date queries are also allowed for the subscription expiration date.
-		if ( ! empty( $qv['date_expires_query'] ) && is_array( $qv['date_expires_query'] ) ) {
-			$date_expires_query = new WP_Date_Query( $qv['date_expires_query'], "$table.expiration" );
+		if (!empty($qv['date_expires_query']) && is_array($qv['date_expires_query'])) {
+			$date_expires_query = new WP_Date_Query($qv['date_expires_query'], "$table.expiration");
 			$this->query_where .= $date_expires_query->get_sql();
 		}
 
@@ -315,24 +315,24 @@ 
 	 * @param array $qv Query vars.
 	 * @param string $table Table name.
 	 */
-	protected function prepare_query_order( &$qv, $table ) {
+	protected function prepare_query_order(&$qv, $table) {
 
 		// sorting.
-		$qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : '';
-		$order       = $this->parse_order( $qv['order'] );
+		$qv['order'] = isset($qv['order']) ? strtoupper($qv['order']) : '';
+		$order       = $this->parse_order($qv['order']);
 
 		// Default order is by 'id' (latest subscriptions).
-		if ( empty( $qv['orderby'] ) ) {
-			$qv['orderby'] = array( 'id' );
+		if (empty($qv['orderby'])) {
+			$qv['orderby'] = array('id');
 		}
 
 		// 'orderby' values may be an array, comma- or space-separated list.
-		$ordersby      = array_filter( wpinv_parse_list(  $qv['orderby'] ) );
+		$ordersby      = array_filter(wpinv_parse_list($qv['orderby']));
 
 		$orderby_array = array();
-		foreach ( $ordersby as $_key => $_value ) {
+		foreach ($ordersby as $_key => $_value) {
 
-			if ( is_int( $_key ) ) {
+			if (is_int($_key)) {
 				// Integer key means this is a flat array of 'orderby' fields.
 				$_orderby = $_value;
 				$_order   = $order;
@@ -342,20 +342,20 @@ 
 				$_order   = $_value;
 			}
 
-			$parsed = $this->parse_orderby( $_orderby, $table );
+			$parsed = $this->parse_orderby($_orderby, $table);
 
-			if ( $parsed ) {
-				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+			if ($parsed) {
+				$orderby_array[] = $parsed . ' ' . $this->parse_order($_order);
 			}
 
 		}
 
 		// If no valid clauses were found, order by id.
-		if ( empty( $orderby_array ) ) {
+		if (empty($orderby_array)) {
 			$orderby_array[] = "id $order";
 		}
 
-		$this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array );
+		$this->query_orderby = 'ORDER BY ' . implode(', ', $orderby_array);
 
 	}
 
@@ -369,30 +369,30 @@ 
 	public function query() {
 		global $wpdb;
 
-		$qv =& $this->query_vars;
+		$qv = & $this->query_vars;
 
 		// Return a non-null value to bypass the default GetPaid subscriptions query and remember to set the
 		// total_subscriptions property.
-		$this->results = apply_filters_ref_array( 'getpaid_subscriptions_pre_query', array( null, &$this ) );
+		$this->results = apply_filters_ref_array('getpaid_subscriptions_pre_query', array(null, &$this));
 
-		if ( null === $this->results ) {
+		if (null === $this->results) {
 			$this->request = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit";
 
-			if ( ( is_array( $qv['fields'] ) && 1 != count( $qv['fields'] ) ) || 'all' == $qv['fields'] ) {
-				$this->results = $wpdb->get_results( $this->request );
+			if ((is_array($qv['fields']) && 1 != count($qv['fields'])) || 'all' == $qv['fields']) {
+				$this->results = $wpdb->get_results($this->request);
 			} else {
-				$this->results = $wpdb->get_col( $this->request );
+				$this->results = $wpdb->get_col($this->request);
 			}
 
-			if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
-				$found_subscriptions_query = apply_filters( 'getpaid_found_subscriptions_query', 'SELECT FOUND_ROWS()', $this );
-				$this->total_subscriptions   = (int) $wpdb->get_var( $found_subscriptions_query );
+			if (isset($qv['count_total']) && $qv['count_total']) {
+				$found_subscriptions_query = apply_filters('getpaid_found_subscriptions_query', 'SELECT FOUND_ROWS()', $this);
+				$this->total_subscriptions = (int) $wpdb->get_var($found_subscriptions_query);
 			}
 		}
 
-		if ( 'all' == $qv['fields'] ) {
-			foreach ( $this->results as $key => $subscription ) {
-				$this->results[ $key ] = new WPInv_Subscription( $subscription );
+		if ('all' == $qv['fields']) {
+			foreach ($this->results as $key => $subscription) {
+				$this->results[$key] = new WPInv_Subscription($subscription);
 			}
 		}
 
@@ -406,9 +406,9 @@ 
 	 * @param string $query_var Query variable key.
 	 * @return mixed
 	 */
-	public function get( $query_var ) {
-		if ( isset( $this->query_vars[ $query_var ] ) ) {
-			return $this->query_vars[ $query_var ];
+	public function get($query_var) {
+		if (isset($this->query_vars[$query_var])) {
+			return $this->query_vars[$query_var];
 		}
 
 		return null;
@@ -422,8 +422,8 @@ 
 	 * @param string $query_var Query variable key.
 	 * @param mixed $value Query variable value.
 	 */
-	public function set( $query_var, $value ) {
-		$this->query_vars[ $query_var ] = $value;
+	public function set($query_var, $value) {
+		$this->query_vars[$query_var] = $value;
 	}
 
 	/**
@@ -457,16 +457,16 @@ 
 	 *  @param string $table The current table.
 	 * @return string Value to use in the ORDER clause, if `$orderby` is valid.
 	 */
-	protected function parse_orderby( $orderby, $table ) {
+	protected function parse_orderby($orderby, $table) {
 
 		$_orderby = '';
-		if ( in_array( $orderby, array( 'customer_id', 'frequency', 'period', 'initial_amount', 'recurring_amount', 'bill_times', 'transaction_id', 'parent_payment_id', 'product_id', 'created', 'expiration', 'trial_period', 'status', 'profile_id' ) ) ) {
+		if (in_array($orderby, array('customer_id', 'frequency', 'period', 'initial_amount', 'recurring_amount', 'bill_times', 'transaction_id', 'parent_payment_id', 'product_id', 'created', 'expiration', 'trial_period', 'status', 'profile_id'))) {
 			$_orderby = "$table.`$orderby`";
-		} elseif ( 'id' === strtolower( $orderby ) ) {
+		} elseif ('id' === strtolower($orderby)) {
 			$_orderby = "$table.id";
-		} elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) {
-			$include     = wp_parse_id_list( $this->query_vars['include'] );
-			$include_sql = implode( ',', $include );
+		} elseif ('include' === $orderby && !empty($this->query_vars['include'])) {
+			$include     = wp_parse_id_list($this->query_vars['include']);
+			$include_sql = implode(',', $include);
 			$_orderby    = "FIELD( $table.id, $include_sql )";
 		}
 
@@ -481,12 +481,12 @@ 
 	 * @param string $order The 'order' query variable.
 	 * @return string The sanitized 'order' query variable.
 	 */
-	protected function parse_order( $order ) {
-		if ( ! is_string( $order ) || empty( $order ) ) {
+	protected function parse_order($order) {
+		if (!is_string($order) || empty($order)) {
 			return 'DESC';
 		}
 
-		if ( 'ASC' === strtoupper( $order ) ) {
+		if ('ASC' === strtoupper($order)) {
 			return 'ASC';
 		} else {
 			return 'DESC';

includes/wpinv-subscription.php

Indentation +949 added lines, -949 removed lines

@@ -15,127 +15,127 @@ 
  */
 class WPInv_Subscription extends GetPaid_Data {
 
-	/**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
-	protected $data_store_name = 'subscription';
-
-	/**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
-	protected $object_type = 'subscription';
-
-	/**
-	 * Item Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'customer_id'       => 0,
-		'frequency'         => 1,
-		'period'            => 'D',
-		'initial_amount'    => null,
-		'recurring_amount'  => null,
-		'bill_times'        => 0,
-		'transaction_id'    => '',
-		'parent_payment_id' => null,
-		'product_id'        => 0,
-		'created'           => '0000-00-00 00:00:00',
-		'expiration'        => '0000-00-00 00:00:00',
-		'trial_period'      => '',
-		'status'            => 'pending',
-		'profile_id'        => '',
-		'gateway'           => '',
-		'customer'          => '',
-	);
-
-	/**
-	 * Stores the status transition information.
-	 *
-	 * @since 1.0.19
-	 * @var bool
-	 */
-	protected $status_transition = false;
-
-	private $subs_db;
-
-	/**
-	 * Get the subscription if ID is passed, otherwise the subscription is new and empty.
-	 *
-	 * @param  int|string|object|WPInv_Subscription $subscription Subscription id, profile_id, or object to read.
-	 * @param  bool $deprecated
-	 */
-	function __construct( $subscription = 0, $deprecated = false ) {
-
-		parent::__construct( $subscription );
-
-		if ( ! $deprecated && ! empty( $subscription ) && is_numeric( $subscription ) ) {
-			$this->set_id( $subscription );
-		} elseif ( $subscription instanceof self ) {
-			$this->set_id( $subscription->get_id() );
-		} elseif ( ! empty( $subscription->id ) ) {
-			$this->set_id( $subscription->id );
-		} elseif ( $deprecated && $subscription_id = self::get_subscription_id_by_field( $subscription, 'profile_id' ) ) {
-			$this->set_id( $subscription_id );
-		} else {
-			$this->set_object_read( true );
-		}
-
-		// Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
-
-		if ( $this->get_id() > 0 ) {
-			$this->data_store->read( $this );
-		}
-
-	}
-
-	/**
-	 * Given an invoice id, profile id, transaction id, it returns the subscription's id.
-	 *
-	 *
-	 * @static
-	 * @param string $value
-	 * @param string $field Either invoice_id, transaction_id or profile_id.
-	 * @since 1.0.19
-	 * @return int
-	 */
-	public static function get_subscription_id_by_field( $value, $field = 'profile_id' ) {
+    /**
+     * Which data store to load.
+     *
+     * @var string
+     */
+    protected $data_store_name = 'subscription';
+
+    /**
+     * This is the name of this object type.
+     *
+     * @var string
+     */
+    protected $object_type = 'subscription';
+
+    /**
+     * Item Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'customer_id'       => 0,
+        'frequency'         => 1,
+        'period'            => 'D',
+        'initial_amount'    => null,
+        'recurring_amount'  => null,
+        'bill_times'        => 0,
+        'transaction_id'    => '',
+        'parent_payment_id' => null,
+        'product_id'        => 0,
+        'created'           => '0000-00-00 00:00:00',
+        'expiration'        => '0000-00-00 00:00:00',
+        'trial_period'      => '',
+        'status'            => 'pending',
+        'profile_id'        => '',
+        'gateway'           => '',
+        'customer'          => '',
+    );
+
+    /**
+     * Stores the status transition information.
+     *
+     * @since 1.0.19
+     * @var bool
+     */
+    protected $status_transition = false;
+
+    private $subs_db;
+
+    /**
+     * Get the subscription if ID is passed, otherwise the subscription is new and empty.
+     *
+     * @param  int|string|object|WPInv_Subscription $subscription Subscription id, profile_id, or object to read.
+     * @param  bool $deprecated
+     */
+    function __construct( $subscription = 0, $deprecated = false ) {
+
+        parent::__construct( $subscription );
+
+        if ( ! $deprecated && ! empty( $subscription ) && is_numeric( $subscription ) ) {
+            $this->set_id( $subscription );
+        } elseif ( $subscription instanceof self ) {
+            $this->set_id( $subscription->get_id() );
+        } elseif ( ! empty( $subscription->id ) ) {
+            $this->set_id( $subscription->id );
+        } elseif ( $deprecated && $subscription_id = self::get_subscription_id_by_field( $subscription, 'profile_id' ) ) {
+            $this->set_id( $subscription_id );
+        } else {
+            $this->set_object_read( true );
+        }
+
+        // Load the datastore.
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+
+        if ( $this->get_id() > 0 ) {
+            $this->data_store->read( $this );
+        }
+
+    }
+
+    /**
+     * Given an invoice id, profile id, transaction id, it returns the subscription's id.
+     *
+     *
+     * @static
+     * @param string $value
+     * @param string $field Either invoice_id, transaction_id or profile_id.
+     * @since 1.0.19
+     * @return int
+     */
+    public static function get_subscription_id_by_field( $value, $field = 'profile_id' ) {
         global $wpdb;
 
-		// Trim the value.
-		$value = trim( $value );
+        // Trim the value.
+        $value = trim( $value );
 
-		if ( empty( $value ) ) {
-			return 0;
-		}
+        if ( empty( $value ) ) {
+            return 0;
+        }
 
-		if ( 'invoice_id' == $field ) {
-			$field = 'parent_payment_id';
-		}
+        if ( 'invoice_id' == $field ) {
+            $field = 'parent_payment_id';
+        }
 
         // Valid fields.
         $fields = array(
-			'parent_payment_id',
-			'transaction_id',
-			'profile_id'
-		);
-
-		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
-			return 0;
-		}
-
-		// Maybe retrieve from the cache.
-		$subscription_id   = wp_cache_get( $value, "getpaid_subscription_{$field}s_to_subscription_ids" );
-		if ( ! empty( $subscription_id ) ) {
-			return $subscription_id;
-		}
+            'parent_payment_id',
+            'transaction_id',
+            'profile_id'
+        );
+
+        // Ensure a field has been passed.
+        if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+            return 0;
+        }
+
+        // Maybe retrieve from the cache.
+        $subscription_id   = wp_cache_get( $value, "getpaid_subscription_{$field}s_to_subscription_ids" );
+        if ( ! empty( $subscription_id ) ) {
+            return $subscription_id;
+        }
 
         // Fetch from the db.
         $table            = $wpdb->prefix . 'wpinv_subscriptions';
@@ -143,34 +143,34 @@ 
             $wpdb->prepare( "SELECT `id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
         );
 
-		if ( empty( $subscription_id ) ) {
-			return 0;
-		}
+        if ( empty( $subscription_id ) ) {
+            return 0;
+        }
 
-		// Update the cache with our data.
-		wp_cache_set( $value, $subscription_id, "getpaid_subscription_{$field}s_to_subscription_ids" );
+        // Update the cache with our data.
+        wp_cache_set( $value, $subscription_id, "getpaid_subscription_{$field}s_to_subscription_ids" );
 
-		return $subscription_id;
-	}
+        return $subscription_id;
+    }
 
-	/**
+    /**
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_parent_payment_id(), 'getpaid_subscription_parent_payment_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_subscription_transaction_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_profile_id(), 'getpaid_subscription_profile_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_id(), 'getpaid_subscriptions' );
-	}
+        wp_cache_delete( $this->get_parent_payment_id(), 'getpaid_subscription_parent_payment_ids_to_subscription_ids' );
+        wp_cache_delete( $this->get_transaction_id(), 'getpaid_subscription_transaction_ids_to_subscription_ids' );
+        wp_cache_delete( $this->get_profile_id(), 'getpaid_subscription_profile_ids_to_subscription_ids' );
+        wp_cache_delete( $this->get_id(), 'getpaid_subscriptions' );
+    }
 
-	/**
+    /**
      * Checks if a subscription key is set.
      */
     public function _isset( $key ) {
         return isset( $this->data[$key] ) || method_exists( $this, "get_$key" );
-	}
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD methods
 	|--------------------------------------------------------------------------
@@ -179,57 +179,57 @@ 
 	|
     */
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Getters
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Get customer id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'customer_id', $context );
-	}
-
-	/**
-	 * Get customer information.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return WP_User|false WP_User object on success, false on failure.
-	 */
-	public function get_customer( $context = 'view' ) {
-		return get_userdata( $this->get_customer_id( $context ) );
-	}
-
-	/**
-	 * Get parent invoice id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_parent_invoice_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_payment_id', $context );
-	}
-
-	/**
-	 * Alias for self::get_parent_invoice_id().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
+    /**
+     * Get customer id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'customer_id', $context );
+    }
+
+    /**
+     * Get customer information.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return WP_User|false WP_User object on success, false on failure.
+     */
+    public function get_customer( $context = 'view' ) {
+        return get_userdata( $this->get_customer_id( $context ) );
+    }
+
+    /**
+     * Get parent invoice id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_parent_invoice_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'parent_payment_id', $context );
+    }
+
+    /**
+     * Alias for self::get_parent_invoice_id().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
     public function get_parent_payment_id( $context = 'view' ) {
         return $this->get_parent_invoice_id( $context );
-	}
+    }
 
-	/**
+    /**
      * Alias for self::get_parent_invoice_id().
      *
      * @since  1.0.0
@@ -239,390 +239,390 @@ 
         return $this->get_parent_invoice_id( $context );
     }
 
-	/**
-	 * Get parent invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return WPInv_Invoice
-	 */
-	public function get_parent_invoice( $context = 'view' ) {
-		return new WPInv_Invoice( $this->get_parent_invoice_id( $context ) );
-	}
-
-	/**
-	 * Alias for self::get_parent_invoice().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return WPInv_Invoice
-	 */
+    /**
+     * Get parent invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return WPInv_Invoice
+     */
+    public function get_parent_invoice( $context = 'view' ) {
+        return new WPInv_Invoice( $this->get_parent_invoice_id( $context ) );
+    }
+
+    /**
+     * Alias for self::get_parent_invoice().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return WPInv_Invoice
+     */
     public function get_parent_payment( $context = 'view' ) {
         return $this->get_parent_invoice( $context );
-	}
-
-	/**
-	 * Get subscription's product id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_product_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'product_id', $context );
-	}
-
-	/**
-	 * Get the subscription product.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return WPInv_Item
-	 */
-	public function get_product( $context = 'view' ) {
-		return new WPInv_Item( $this->get_product_id( $context ) );
-	}
-
-	/**
-	 * Get parent invoice's gateway.
-	 *
-	 * Here for backwards compatibility.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_parent_invoice( $context )->get_gateway();
-	}
-
-	/**
-	 * Get the period of a renewal.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_period( $context = 'view' ) {
-		return $this->get_prop( 'period', $context );
-	}
-
-	/**
-	 * Get number of periods each renewal is valid for.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_frequency( $context = 'view' ) {
-		return (int) $this->get_prop( 'frequency', $context );
-	}
-
-	/**
-	 * Get the initial amount for the subscription.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_initial_amount( $context = 'view' ) {
-		return (float) wpinv_sanitize_amount( $this->get_prop( 'initial_amount', $context ) );
-	}
-
-	/**
-	 * Get the recurring amount for the subscription.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_recurring_amount( $context = 'view' ) {
-		return (float) wpinv_sanitize_amount( $this->get_prop( 'recurring_amount', $context ) );
-	}
-
-	/**
-	 * Get number of times that this subscription can be renewed.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_bill_times( $context = 'view' ) {
-		return (int) $this->get_prop( 'bill_times', $context );
-	}
-
-	/**
-	 * Get transaction id of this subscription's parent invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
-	}
-
-	/**
-	 * Get the date that the subscription was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_created( $context = 'view' ) {
-		return $this->get_prop( 'created', $context );
-	}
-
-	/**
-	 * Alias for self::get_created().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_created( $context );
-	}
-
-	/**
-	 * Retrieves the creation date in a timestamp
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_time_created() {
-		$created = $this->get_date_created();
-		return empty( $created ) ? current_time( 'timestamp' ) : strtotime( $created, current_time( 'timestamp' ) );
-	}
-
-	/**
-	 * Get GMT date when the subscription was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+    }
+
+    /**
+     * Get subscription's product id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_product_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'product_id', $context );
+    }
+
+    /**
+     * Get the subscription product.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return WPInv_Item
+     */
+    public function get_product( $context = 'view' ) {
+        return new WPInv_Item( $this->get_product_id( $context ) );
+    }
+
+    /**
+     * Get parent invoice's gateway.
+     *
+     * Here for backwards compatibility.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gateway( $context = 'view' ) {
+        return $this->get_parent_invoice( $context )->get_gateway();
+    }
+
+    /**
+     * Get the period of a renewal.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_period( $context = 'view' ) {
+        return $this->get_prop( 'period', $context );
+    }
+
+    /**
+     * Get number of periods each renewal is valid for.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_frequency( $context = 'view' ) {
+        return (int) $this->get_prop( 'frequency', $context );
+    }
+
+    /**
+     * Get the initial amount for the subscription.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_initial_amount( $context = 'view' ) {
+        return (float) wpinv_sanitize_amount( $this->get_prop( 'initial_amount', $context ) );
+    }
+
+    /**
+     * Get the recurring amount for the subscription.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_recurring_amount( $context = 'view' ) {
+        return (float) wpinv_sanitize_amount( $this->get_prop( 'recurring_amount', $context ) );
+    }
+
+    /**
+     * Get number of times that this subscription can be renewed.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_bill_times( $context = 'view' ) {
+        return (int) $this->get_prop( 'bill_times', $context );
+    }
+
+    /**
+     * Get transaction id of this subscription's parent invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_transaction_id( $context = 'view' ) {
+        return $this->get_prop( 'transaction_id', $context );
+    }
+
+    /**
+     * Get the date that the subscription was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_created( $context = 'view' ) {
+        return $this->get_prop( 'created', $context );
+    }
+
+    /**
+     * Alias for self::get_created().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_created( $context );
+    }
+
+    /**
+     * Retrieves the creation date in a timestamp
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_time_created() {
+        $created = $this->get_date_created();
+        return empty( $created ) ? current_time( 'timestamp' ) : strtotime( $created, current_time( 'timestamp' ) );
+    }
+
+    /**
+     * Get GMT date when the subscription was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
-	}
-
-	/**
-	 * Get the date that the subscription will renew.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_next_renewal_date( $context = 'view' ) {
-		return $this->get_prop( 'expiration', $context );
-	}
-
-	/**
-	 * Alias for self::get_next_renewal_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_expiration( $context = 'view' ) {
-		return $this->get_next_renewal_date( $context );
-	}
-
-	/**
-	 * Retrieves the expiration date in a timestamp
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_expiration_time() {
-		$expiration = $this->get_expiration();
-
-		if ( empty( $expiration ) || '0000-00-00 00:00:00' == $expiration ) {
-			return current_time( 'timestamp' );
-		}
-
-		$expiration = strtotime( $expiration, current_time( 'timestamp' ) );
-		return $expiration < current_time( 'timestamp' ) ? current_time( 'timestamp' ) : $expiration;
-	}
-
-	/**
-	 * Get GMT date when the subscription will renew.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_next_renewal_date_gmt( $context = 'view' ) {
+        return $date;
+    }
+
+    /**
+     * Get the date that the subscription will renew.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_next_renewal_date( $context = 'view' ) {
+        return $this->get_prop( 'expiration', $context );
+    }
+
+    /**
+     * Alias for self::get_next_renewal_date().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_expiration( $context = 'view' ) {
+        return $this->get_next_renewal_date( $context );
+    }
+
+    /**
+     * Retrieves the expiration date in a timestamp
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_expiration_time() {
+        $expiration = $this->get_expiration();
+
+        if ( empty( $expiration ) || '0000-00-00 00:00:00' == $expiration ) {
+            return current_time( 'timestamp' );
+        }
+
+        $expiration = strtotime( $expiration, current_time( 'timestamp' ) );
+        return $expiration < current_time( 'timestamp' ) ? current_time( 'timestamp' ) : $expiration;
+    }
+
+    /**
+     * Get GMT date when the subscription will renew.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_next_renewal_date_gmt( $context = 'view' ) {
         $date = $this->get_next_renewal_date( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
-	}
-
-	/**
-	 * Get the subscription's trial period.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_trial_period( $context = 'view' ) {
-		return $this->get_prop( 'trial_period', $context );
-	}
-
-	/**
-	 * Get the subscription's status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
-	}
-
-	/**
-	 * Get the subscription's profile id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_profile_id( $context = 'view' ) {
-		return $this->get_prop( 'profile_id', $context );
-	}
-
-	/*
+        return $date;
+    }
+
+    /**
+     * Get the subscription's trial period.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_trial_period( $context = 'view' ) {
+        return $this->get_prop( 'trial_period', $context );
+    }
+
+    /**
+     * Get the subscription's status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
+    }
+
+    /**
+     * Get the subscription's profile id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_profile_id( $context = 'view' ) {
+        return $this->get_prop( 'profile_id', $context );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Setters
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Set customer id.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value The customer's id.
-	 */
-	public function set_customer_id( $value ) {
-		$this->set_prop( 'customer_id', (int) $value );
-	}
-
-	/**
-	 * Set parent invoice id.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value The parent invoice id.
-	 */
-	public function set_parent_invoice_id( $value ) {
-		$this->set_prop( 'parent_payment_id', (int) $value );
-	}
-
-	/**
-	 * Alias for self::set_parent_invoice_id().
-	 *
-	 * @since 1.0.19
-	 * @param  int $value The parent invoice id.
-	 */
+    /**
+     * Set customer id.
+     *
+     * @since 1.0.19
+     * @param  int $value The customer's id.
+     */
+    public function set_customer_id( $value ) {
+        $this->set_prop( 'customer_id', (int) $value );
+    }
+
+    /**
+     * Set parent invoice id.
+     *
+     * @since 1.0.19
+     * @param  int $value The parent invoice id.
+     */
+    public function set_parent_invoice_id( $value ) {
+        $this->set_prop( 'parent_payment_id', (int) $value );
+    }
+
+    /**
+     * Alias for self::set_parent_invoice_id().
+     *
+     * @since 1.0.19
+     * @param  int $value The parent invoice id.
+     */
     public function set_parent_payment_id( $value ) {
         $this->set_parent_invoice_id( $value );
-	}
+    }
 
-	/**
+    /**
      * Alias for self::set_parent_invoice_id().
      *
      * @since 1.0.19
-	 * @param  int $value The parent invoice id.
+     * @param  int $value The parent invoice id.
      */
     public function set_original_payment_id( $value ) {
         $this->set_parent_invoice_id( $value );
-	}
-
-	/**
-	 * Set subscription's product id.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value The subscription product id.
-	 */
-	public function set_product_id( $value ) {
-		$this->set_prop( 'product_id', (int) $value );
-	}
-
-	/**
-	 * Set the period of a renewal.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value The renewal period.
-	 */
-	public function set_period( $value ) {
-		$this->set_prop( 'period', $value );
-	}
-
-	/**
-	 * Set number of periods each renewal is valid for.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value The subscription frequency.
-	 */
-	public function set_frequency( $value ) {
-		$value = empty( $value ) ? 1 : (int) $value;
-		$this->set_prop( 'frequency', absint( $value ) );
-	}
-
-	/**
-	 * Set the initial amount for the subscription.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value The initial subcription amount.
-	 */
-	public function set_initial_amount( $value ) {
-		$this->set_prop( 'initial_amount', wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Set the recurring amount for the subscription.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value The recurring subcription amount.
-	 */
-	public function set_recurring_amount( $value ) {
-		$this->set_prop( 'recurring_amount', wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Set number of times that this subscription can be renewed.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value Bill times.
-	 */
-	public function set_bill_times( $value ) {
-		$this->set_prop( 'bill_times', (int) $value );
-	}
-
-	/**
-	 * Get transaction id of this subscription's parent invoice.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Bill times.
-	 */
-	public function set_transaction_id( $value ) {
-		$this->set_prop( 'transaction_id', sanitize_text_field( $value ) );
-	}
-
-	/**
-	 * Set date when this subscription started.
-	 *
-	 * @since 1.0.19
-	 * @param string $value strtotime compliant date.
-	 */
-	public function set_created( $value ) {
+    }
+
+    /**
+     * Set subscription's product id.
+     *
+     * @since 1.0.19
+     * @param  int $value The subscription product id.
+     */
+    public function set_product_id( $value ) {
+        $this->set_prop( 'product_id', (int) $value );
+    }
+
+    /**
+     * Set the period of a renewal.
+     *
+     * @since 1.0.19
+     * @param  string $value The renewal period.
+     */
+    public function set_period( $value ) {
+        $this->set_prop( 'period', $value );
+    }
+
+    /**
+     * Set number of periods each renewal is valid for.
+     *
+     * @since 1.0.19
+     * @param  int $value The subscription frequency.
+     */
+    public function set_frequency( $value ) {
+        $value = empty( $value ) ? 1 : (int) $value;
+        $this->set_prop( 'frequency', absint( $value ) );
+    }
+
+    /**
+     * Set the initial amount for the subscription.
+     *
+     * @since 1.0.19
+     * @param  float $value The initial subcription amount.
+     */
+    public function set_initial_amount( $value ) {
+        $this->set_prop( 'initial_amount', wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Set the recurring amount for the subscription.
+     *
+     * @since 1.0.19
+     * @param  float $value The recurring subcription amount.
+     */
+    public function set_recurring_amount( $value ) {
+        $this->set_prop( 'recurring_amount', wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Set number of times that this subscription can be renewed.
+     *
+     * @since 1.0.19
+     * @param  int $value Bill times.
+     */
+    public function set_bill_times( $value ) {
+        $this->set_prop( 'bill_times', (int) $value );
+    }
+
+    /**
+     * Get transaction id of this subscription's parent invoice.
+     *
+     * @since 1.0.19
+     * @param string $value Bill times.
+     */
+    public function set_transaction_id( $value ) {
+        $this->set_prop( 'transaction_id', sanitize_text_field( $value ) );
+    }
+
+    /**
+     * Set date when this subscription started.
+     *
+     * @since 1.0.19
+     * @param string $value strtotime compliant date.
+     */
+    public function set_created( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -630,94 +630,94 @@ 
             return;
         }
 
-		$this->set_prop( 'created', '' );
+        $this->set_prop( 'created', '' );
 
-	}
+    }
 
-	/**
-	 * Alias for self::set_created().
-	 *
-	 * @since 1.0.19
-	 * @param string $value strtotime compliant date.
-	 */
-	public function set_date_created( $value ) {
-		$this->set_created( $value );
+    /**
+     * Alias for self::set_created().
+     *
+     * @since 1.0.19
+     * @param string $value strtotime compliant date.
+     */
+    public function set_date_created( $value ) {
+        $this->set_created( $value );
     }
 
-	/**
-	 * Set the date that the subscription will renew.
-	 *
-	 * @since 1.0.19
-	 * @param string $value strtotime compliant date.
-	 */
-	public function set_next_renewal_date( $value ) {
-		$date = strtotime( $value );
+    /**
+     * Set the date that the subscription will renew.
+     *
+     * @since 1.0.19
+     * @param string $value strtotime compliant date.
+     */
+    public function set_next_renewal_date( $value ) {
+        $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
             $this->set_prop( 'expiration', date( 'Y-m-d H:i:s', $date ) );
             return;
-		}
-
-		$this->set_prop( 'expiration', '' );
-
-	}
-
-	/**
-	 * Alias for self::set_next_renewal_date().
-	 *
-	 * @since 1.0.19
-	 * @param string $value strtotime compliant date.
-	 */
-	public function set_expiration( $value ) {
-		$this->set_next_renewal_date( $value );
-    }
-
-	/**
-	 * Set the subscription's trial period.
-	 *
-	 * @since 1.0.19
-	 * @param string $value trial period e.g 1 year.
-	 */
-	public function set_trial_period( $value ) {
-		$this->set_prop( 'trial_period', $value );
-	}
-
-	/**
-	 * Set the subscription's status.
-	 *
-	 * @since 1.0.19
-	 * @param string $new_status    New subscription status.
-	 */
-	public function set_status( $new_status ) {
-
-		// Abort if this is not a valid status;
-		if ( ! array_key_exists( $new_status, getpaid_get_subscription_statuses() ) ) {
-			return;
-		}
-
-		$old_status = $this->get_status();
-		$this->set_prop( 'status', $new_status );
-
-		if ( true === $this->object_read && $old_status !== $new_status ) {
-			$this->status_transition = array(
-				'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
-				'to'     => $new_status,
-			);
-		}
-
-	}
-
-	/**
-	 * Set the subscription's (remote) profile id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value the remote profile id.
-	 */
-	public function set_profile_id( $value ) {
-		$this->set_prop( 'profile_id', sanitize_text_field( $value ) );
-	}
-
-	/*
+        }
+
+        $this->set_prop( 'expiration', '' );
+
+    }
+
+    /**
+     * Alias for self::set_next_renewal_date().
+     *
+     * @since 1.0.19
+     * @param string $value strtotime compliant date.
+     */
+    public function set_expiration( $value ) {
+        $this->set_next_renewal_date( $value );
+    }
+
+    /**
+     * Set the subscription's trial period.
+     *
+     * @since 1.0.19
+     * @param string $value trial period e.g 1 year.
+     */
+    public function set_trial_period( $value ) {
+        $this->set_prop( 'trial_period', $value );
+    }
+
+    /**
+     * Set the subscription's status.
+     *
+     * @since 1.0.19
+     * @param string $new_status    New subscription status.
+     */
+    public function set_status( $new_status ) {
+
+        // Abort if this is not a valid status;
+        if ( ! array_key_exists( $new_status, getpaid_get_subscription_statuses() ) ) {
+            return;
+        }
+
+        $old_status = $this->get_status();
+        $this->set_prop( 'status', $new_status );
+
+        if ( true === $this->object_read && $old_status !== $new_status ) {
+            $this->status_transition = array(
+                'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+                'to'     => $new_status,
+            );
+        }
+
+    }
+
+    /**
+     * Set the subscription's (remote) profile id.
+     *
+     * @since 1.0.19
+     * @param  string $value the remote profile id.
+     */
+    public function set_profile_id( $value ) {
+        $this->set_prop( 'profile_id', sanitize_text_field( $value ) );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Boolean methods
 	|--------------------------------------------------------------------------
@@ -726,45 +726,45 @@ 
 	|
 	*/
 
-	/**
+    /**
      * Checks if the subscription has a given status.
-	 *
-	 * @param string|array String or array of strings to check for.
-	 * @return bool
+     *
+     * @param string|array String or array of strings to check for.
+     * @return bool
      */
     public function has_status( $status ) {
         return in_array( $this->get_status(), wpinv_parse_list( $status ) );
-	}
+    }
 
-	/**
+    /**
      * Checks if the subscription has a trial period.
-	 *
-	 * @return bool
+     *
+     * @return bool
      */
     public function has_trial_period() {
-		$period = $this->get_trial_period();
+        $period = $this->get_trial_period();
         return ! empty( $period );
-	}
-
-	/**
-	 * Is the subscription active?
-	 *
-	 * @return bool
-	 */
-	public function is_active() {
-		return $this->has_status( 'active trialling' ) && $this->get_expiration_time() > current_time( 'mysql' );
-	}
-
-	/**
-	 * Is the subscription expired?
-	 *
-	 * @return bool
-	 */
-	public function is_expired() {
-		return $this->has_status( 'expired' ) || ( $this->has_status( 'active cancelled trialling' ) && $this->get_expiration_time() < current_time( 'mysql' ) );
-	}
-
-	/*
+    }
+
+    /**
+     * Is the subscription active?
+     *
+     * @return bool
+     */
+    public function is_active() {
+        return $this->has_status( 'active trialling' ) && $this->get_expiration_time() > current_time( 'mysql' );
+    }
+
+    /**
+     * Is the subscription expired?
+     *
+     * @return bool
+     */
+    public function is_expired() {
+        return $this->has_status( 'expired' ) || ( $this->has_status( 'active cancelled trialling' ) && $this->get_expiration_time() < current_time( 'mysql' ) );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional methods
 	|--------------------------------------------------------------------------
@@ -773,27 +773,27 @@ 
 	|
 	*/
 
-	/**
-	 * Backwards compatibilty.
-	 */
-	public function create( $data = array() ) {
+    /**
+     * Backwards compatibilty.
+     */
+    public function create( $data = array() ) {
 
-		// Set the properties.
-		if ( is_array( $data ) ) {
-			$this->set_props( $data );
-		}
+        // Set the properties.
+        if ( is_array( $data ) ) {
+            $this->set_props( $data );
+        }
 
-		// Save the item.
-		return $this->save();
+        // Save the item.
+        return $this->save();
 
-	}
+    }
 
-	/**
-	 * Backwards compatibilty.
-	 */
-	public function update( $args = array() ) {
-		return $this->create( $args );
-	}
+    /**
+     * Backwards compatibilty.
+     */
+    public function update( $args = array() ) {
+        return $this->create( $args );
+    }
 
     /**
      * Retrieve renewal payments for a subscription
@@ -803,15 +803,15 @@ 
      */
     public function get_child_payments() {
         return get_posts(
-			array(
-            	'post_parent'    => $this->get_parent_payment_id(),
-            	'numberposts'    => -1,
-            	'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
-            	'orderby'        => 'ID',
-            	'order'          => 'DESC',
-            	'post_type'      => 'wpi_invoice'
-			)
-		);
+            array(
+                'post_parent'    => $this->get_parent_payment_id(),
+                'numberposts'    => -1,
+                'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+                'orderby'        => 'ID',
+                'order'          => 'DESC',
+                'post_type'      => 'wpi_invoice'
+            )
+        );
     }
 
     /**
@@ -821,16 +821,16 @@ 
      * @return int
      */
     public function get_total_payments() {
-		global $wpdb;
+        global $wpdb;
 
-		$count = (int) $wpdb->get_var(
-			$wpdb->prepare(
-				"SELECT COUNT(ID) FROM $wpdb->posts WHERE post_parent=%d AND post_status IN ( 'publish', 'wpi-processing', 'wpi-renewal' )",
-				$this->get_parent_invoice_id()
-			)
-		);
+        $count = (int) $wpdb->get_var(
+            $wpdb->prepare(
+                "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_parent=%d AND post_status IN ( 'publish', 'wpi-processing', 'wpi-renewal' )",
+                $this->get_parent_invoice_id()
+            )
+        );
 
-		// Maybe include parent invoice.
+        // Maybe include parent invoice.
         if ( ! $this->has_status( 'pending' ) ) {
             $count++;
         }
@@ -859,57 +859,57 @@ 
      *
      * @since  2.4
      * @param  array $args Array of values for the payment, including amount and transaction ID
-	 * @param  WPInv_Invoice $invoice If adding an existing invoice.
+     * @param  WPInv_Invoice $invoice If adding an existing invoice.
      * @return bool
      */
     public function add_payment( $args = array(), $invoice = false ) {
 
-		// Process each payment once.
+        // Process each payment once.
         if ( ! empty( $args['transaction_id'] ) && $this->payment_exists( $args['transaction_id'] ) ) {
             return false;
         }
 
-		// Are we creating a new invoice?
-		if ( empty( $invoice ) ) {
-			$invoice = $this->create_payment();
+        // Are we creating a new invoice?
+        if ( empty( $invoice ) ) {
+            $invoice = $this->create_payment();
 
-			if ( empty( $invoice ) ) {
-				return false;
-			}
+            if ( empty( $invoice ) ) {
+                return false;
+            }
 
-			$invoice->set_status( 'wpi-renewal' );
+            $invoice->set_status( 'wpi-renewal' );
 
-		}
+        }
 
-		// Maybe set a transaction id.
-		if ( ! empty( $args['transaction_id'] ) ) {
-			$invoice->set_transaction_id( $args['transaction_id'] );
-		}
+        // Maybe set a transaction id.
+        if ( ! empty( $args['transaction_id'] ) ) {
+            $invoice->set_transaction_id( $args['transaction_id'] );
+        }
 
-		// Set the completed date.
-		$invoice->set_completed_date( current_time( 'mysql' ) );
+        // Set the completed date.
+        $invoice->set_completed_date( current_time( 'mysql' ) );
 
-		// And the gateway.
-		if ( ! empty( $args['gateway'] ) ) {
-			$invoice->set_gateway( $args['gateway'] );
-		}
+        // And the gateway.
+        if ( ! empty( $args['gateway'] ) ) {
+            $invoice->set_gateway( $args['gateway'] );
+        }
 
-		$invoice->save();
+        $invoice->save();
 
-		if ( ! $invoice->get_id() ) {
-			return 0;
-		}
+        if ( ! $invoice->get_id() ) {
+            return 0;
+        }
 
-		do_action( 'getpaid_after_create_subscription_renewal_invoice', $invoice, $this );
-		do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $this );
+        do_action( 'getpaid_after_create_subscription_renewal_invoice', $invoice, $this );
+        do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $this );
         do_action( 'wpinv_recurring_record_payment', $invoice->get_id(), $this->get_parent_invoice_id(), $invoice->get_recurring_total(), $invoice->get_transaction_id() );
 
         update_post_meta( $invoice->get_id(), '_wpinv_subscription_id', $this->id );
 
         return $invoice->get_id();
-	}
+    }
 
-	/**
+    /**
      * Creates a new invoice and returns it.
      *
      * @since  1.0.19
@@ -917,104 +917,104 @@ 
      */
     public function create_payment() {
 
-		$parent_invoice = $this->get_parent_payment();
-
-		if ( ! $parent_invoice->get_id() ) {
-			return false;
-		}
-
-		// Duplicate the parent invoice.
-		$invoice = new WPInv_Invoice();
-		$invoice->set_props( $parent_invoice->get_data() );
-		$invoice->set_id( 0 );
-		$invoice->set_items( $parent_invoice->get_items() );
-		$invoice->set_parent_id( $parent_invoice->get_id() );
-		$invoice->set_transaction_id( '' );
-		$invoice->set_key( $invoice->generate_key( 'renewal_' ) );
-		$invoice->set_number( '' );
-		$invoice->set_completed_date( '' );
-		$invoice->set_status( 'wpi-pending' );
-		$invoice->recalculate_total();
-		$invoice->save();
-
-		return $invoice->get_id() ? $invoice : false;
-    }
-
-	/**
-	 * Renews or completes a subscription
-	 *
-	 * @since  1.0.0
-	 * @return int The subscription's id
-	 */
-	public function renew() {
-
-		// Complete subscription if applicable
-		if ( $this->get_bill_times() > 0 && $this->get_times_billed() >= $this->get_bill_times() ) {
-			return $this->complete();
-		}
-
-		// Calculate new expiration
-		$frequency      = $this->get_frequency();
-		$period         = $this->get_period();
-		$new_expiration = strtotime( "+ $frequency $period", $this->get_expiration_time() );
-
-		$this->set_expiration( date( 'Y-m-d H:i:s',$new_expiration ) );
-		$this->set_status( 'active' );
-		return $this->save();
-
-		do_action( 'getpaid_subscription_renewed', $this );
-
-	}
-
-	/**
-	 * Marks a subscription as completed
-	 *
-	 * Subscription is completed when the number of payments matches the billing_times field
-	 *
-	 * @since  1.0.0
-	 * @return int|bool Subscription id or false if the subscription is cancelled.
-	 */
-	public function complete() {
-
-		// Only mark a subscription as complete if it's not already cancelled.
-		if ( $this->has_status( 'cancelled' ) ) {
-			return false;
-		}
-
-		$this->set_status( 'completed' );
-		return $this->save();
-
-	}
-
-	/**
-	 * Marks a subscription as expired
-	 *
-	 * @since  1.0.0
-	 * @param  bool $check_expiration
-	 * @return int|bool Subscription id or false if $check_expiration is true and expiration date is in the future.
-	 */
-	public function expire( $check_expiration = false ) {
-
-		if ( $check_expiration && $this->get_expiration_time() > current_time( 'timestamp' ) ) {
-			// Do not mark as expired since real expiration date is in the future
-			return false;
-		}
-
-		$this->set_status( 'expired' );
-		return $this->save();
-
-	}
-
-	/**
-	 * Marks a subscription as failing
-	 *
-	 * @since  2.4.2
-	 * @return int Subscription id.
-	 */
-	public function failing() {
-		$this->set_status( 'failing' );
-		return $this->save();
-	}
+        $parent_invoice = $this->get_parent_payment();
+
+        if ( ! $parent_invoice->get_id() ) {
+            return false;
+        }
+
+        // Duplicate the parent invoice.
+        $invoice = new WPInv_Invoice();
+        $invoice->set_props( $parent_invoice->get_data() );
+        $invoice->set_id( 0 );
+        $invoice->set_items( $parent_invoice->get_items() );
+        $invoice->set_parent_id( $parent_invoice->get_id() );
+        $invoice->set_transaction_id( '' );
+        $invoice->set_key( $invoice->generate_key( 'renewal_' ) );
+        $invoice->set_number( '' );
+        $invoice->set_completed_date( '' );
+        $invoice->set_status( 'wpi-pending' );
+        $invoice->recalculate_total();
+        $invoice->save();
+
+        return $invoice->get_id() ? $invoice : false;
+    }
+
+    /**
+     * Renews or completes a subscription
+     *
+     * @since  1.0.0
+     * @return int The subscription's id
+     */
+    public function renew() {
+
+        // Complete subscription if applicable
+        if ( $this->get_bill_times() > 0 && $this->get_times_billed() >= $this->get_bill_times() ) {
+            return $this->complete();
+        }
+
+        // Calculate new expiration
+        $frequency      = $this->get_frequency();
+        $period         = $this->get_period();
+        $new_expiration = strtotime( "+ $frequency $period", $this->get_expiration_time() );
+
+        $this->set_expiration( date( 'Y-m-d H:i:s',$new_expiration ) );
+        $this->set_status( 'active' );
+        return $this->save();
+
+        do_action( 'getpaid_subscription_renewed', $this );
+
+    }
+
+    /**
+     * Marks a subscription as completed
+     *
+     * Subscription is completed when the number of payments matches the billing_times field
+     *
+     * @since  1.0.0
+     * @return int|bool Subscription id or false if the subscription is cancelled.
+     */
+    public function complete() {
+
+        // Only mark a subscription as complete if it's not already cancelled.
+        if ( $this->has_status( 'cancelled' ) ) {
+            return false;
+        }
+
+        $this->set_status( 'completed' );
+        return $this->save();
+
+    }
+
+    /**
+     * Marks a subscription as expired
+     *
+     * @since  1.0.0
+     * @param  bool $check_expiration
+     * @return int|bool Subscription id or false if $check_expiration is true and expiration date is in the future.
+     */
+    public function expire( $check_expiration = false ) {
+
+        if ( $check_expiration && $this->get_expiration_time() > current_time( 'timestamp' ) ) {
+            // Do not mark as expired since real expiration date is in the future
+            return false;
+        }
+
+        $this->set_status( 'expired' );
+        return $this->save();
+
+    }
+
+    /**
+     * Marks a subscription as failing
+     *
+     * @since  2.4.2
+     * @return int Subscription id.
+     */
+    public function failing() {
+        $this->set_status( 'failing' );
+        return $this->save();
+    }
 
     /**
      * Marks a subscription as cancelled
@@ -1023,19 +1023,19 @@ 
      * @return int Subscription id.
      */
     public function cancel() {
-		$this->set_status( 'cancelled' );
-		return $this->save();
+        $this->set_status( 'cancelled' );
+        return $this->save();
     }
 
-	/**
-	 * Determines if a subscription can be cancelled both locally and with a payment processor.
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function can_cancel() {
-		return apply_filters( 'wpinv_subscription_can_cancel', $this->has_status( $this->get_cancellable_statuses() ), $this );
-	}
+    /**
+     * Determines if a subscription can be cancelled both locally and with a payment processor.
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function can_cancel() {
+        return apply_filters( 'wpinv_subscription_can_cancel', $this->has_status( $this->get_cancellable_statuses() ), $this );
+    }
 
     /**
      * Returns an array of subscription statuses that can be cancelled
@@ -1048,82 +1048,82 @@ 
         return apply_filters( 'wpinv_recurring_cancellable_statuses', array( 'active', 'trialling', 'failing' ) );
     }
 
-	/**
-	 * Retrieves the URL to cancel subscription
-	 *
-	 * @since  1.0.0
-	 * @return string
-	 */
-	public function get_cancel_url() {
-		$url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'subscription_cancel', 'sub_id' => $this->get_id() ) ), 'getpaid-nonce' );
-		return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
-	}
-
-	/**
-	 * Determines if subscription can be manually renewed
-	 *
-	 * This method is filtered by payment gateways in order to return true on subscriptions
-	 * that can be renewed manually
-	 *
-	 * @since  2.5
-	 * @return bool
-	 */
-	public function can_renew() {
-		return apply_filters( 'wpinv_subscription_can_renew', true, $this );
-	}
-
-	/**
-	 * Retrieves the URL to renew a subscription
-	 *
-	 * @since  2.5
-	 * @return string
-	 */
-	public function get_renew_url() {
-		$url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'renew_subscription', 'sub_id' => $this->get_id ) ), 'getpaid-nonce' );
-		return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
-	}
-
-	/**
-	 * Determines if subscription can have their payment method updated
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function can_update() {
-		return apply_filters( 'wpinv_subscription_can_update', false, $this );
-	}
-
-	/**
-	 * Retrieves the URL to update subscription
-	 *
-	 * @since  1.0.0
-	 * @return string
-	 */
-	public function get_update_url() {
-		$url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->get_id() ) );
-		return apply_filters( 'wpinv_subscription_update_url', $url, $this );
-	}
-
-	/**
-	 * Retrieves the subscription status label
-	 *
-	 * @since  1.0.0
-	 * @return string
-	 */
-	public function get_status_label() {
-		return getpaid_get_subscription_status_label( $this->get_status() );
-	}
-
-	/**
-	 * Retrieves the subscription status class
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	public function get_status_class() {
-		$statuses = getpaid_get_subscription_status_classes();
-		return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'text-white bg-secondary';
-	}
+    /**
+     * Retrieves the URL to cancel subscription
+     *
+     * @since  1.0.0
+     * @return string
+     */
+    public function get_cancel_url() {
+        $url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'subscription_cancel', 'sub_id' => $this->get_id() ) ), 'getpaid-nonce' );
+        return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+    }
+
+    /**
+     * Determines if subscription can be manually renewed
+     *
+     * This method is filtered by payment gateways in order to return true on subscriptions
+     * that can be renewed manually
+     *
+     * @since  2.5
+     * @return bool
+     */
+    public function can_renew() {
+        return apply_filters( 'wpinv_subscription_can_renew', true, $this );
+    }
+
+    /**
+     * Retrieves the URL to renew a subscription
+     *
+     * @since  2.5
+     * @return string
+     */
+    public function get_renew_url() {
+        $url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'renew_subscription', 'sub_id' => $this->get_id ) ), 'getpaid-nonce' );
+        return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
+    }
+
+    /**
+     * Determines if subscription can have their payment method updated
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function can_update() {
+        return apply_filters( 'wpinv_subscription_can_update', false, $this );
+    }
+
+    /**
+     * Retrieves the URL to update subscription
+     *
+     * @since  1.0.0
+     * @return string
+     */
+    public function get_update_url() {
+        $url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->get_id() ) );
+        return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+    }
+
+    /**
+     * Retrieves the subscription status label
+     *
+     * @since  1.0.0
+     * @return string
+     */
+    public function get_status_label() {
+        return getpaid_get_subscription_status_label( $this->get_status() );
+    }
+
+    /**
+     * Retrieves the subscription status class
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    public function get_status_class() {
+        $statuses = getpaid_get_subscription_status_classes();
+        return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'text-white bg-secondary';
+    }
 
     /**
      * Retrieves the subscription status label
@@ -1133,11 +1133,11 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_label() );
-		$class        = esc_attr( $this->get_status_class() );
-		$status       = sanitize_html_class( $this->get_status_label() );
+        $status_label = sanitize_text_field( $this->get_status_label() );
+        $class        = esc_attr( $this->get_status_class() );
+        $status       = sanitize_html_class( $this->get_status_label() );
 
-		return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded $class $status'>$status_label</span></span>";
+        return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded $class $status'>$status_label</span></span>";
     }
 
     /**
@@ -1148,63 +1148,63 @@ 
      * @return bool
      */
     public function payment_exists( $txn_id = '' ) {
-		$invoice_id = WPInv_Invoice::get_invoice_id_by_field( $txn_id, 'transaction_id' );
+        $invoice_id = WPInv_Invoice::get_invoice_id_by_field( $txn_id, 'transaction_id' );
         return ! empty( $invoice_id );
-	}
-
-	/**
-	 * Handle the status transition.
-	 */
-	protected function status_transition() {
-		$status_transition = $this->status_transition;
-
-		// Reset status transition variable.
-		$this->status_transition = false;
-
-		if ( $status_transition ) {
-			try {
-
-				// Fire a hook for the status change.
-				do_action( 'wpinv_subscription_' . $status_transition['to'], $this->get_id(), $this, $status_transition );
-				do_action( 'getpaid_subscription_' . $status_transition['to'], $this, $status_transition );
-
-				if ( ! empty( $status_transition['from'] ) ) {
-
-					/* translators: 1: old subscription status 2: new subscription status */
-					$transition_note = sprintf( __( 'Subscription status changed from %1$s to %2$s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['from'] ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
-
-					// Note the transition occurred.
-					$this->get_parent_payment()->add_note( $transition_note, false, false, true );
-
-					// Fire another hook.
-					do_action( 'getpaid_subscription_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this );
-					do_action( 'getpaid_subscription_status_changed', $this, $status_transition['from'], $status_transition['to'] );
-
-				} else {
-					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Subscription status set to %s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
-
-					// Note the transition occurred.
-					$this->get_parent_payment()->add_note( $transition_note, false, false, true );
-
-				}
-			} catch ( Exception $e ) {
-				$this->get_parent_payment()->add_note( __( 'Error during subscription status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
-			}
-		}
-
-	}
-
-	/**
-	 * Save data to the database.
-	 *
-	 * @since 1.0.19
-	 * @return int subscription ID
-	 */
-	public function save() {
-		parent::save();
-		$this->status_transition();
-		return $this->get_id();
-	}
+    }
+
+    /**
+     * Handle the status transition.
+     */
+    protected function status_transition() {
+        $status_transition = $this->status_transition;
+
+        // Reset status transition variable.
+        $this->status_transition = false;
+
+        if ( $status_transition ) {
+            try {
+
+                // Fire a hook for the status change.
+                do_action( 'wpinv_subscription_' . $status_transition['to'], $this->get_id(), $this, $status_transition );
+                do_action( 'getpaid_subscription_' . $status_transition['to'], $this, $status_transition );
+
+                if ( ! empty( $status_transition['from'] ) ) {
+
+                    /* translators: 1: old subscription status 2: new subscription status */
+                    $transition_note = sprintf( __( 'Subscription status changed from %1$s to %2$s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['from'] ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
+
+                    // Note the transition occurred.
+                    $this->get_parent_payment()->add_note( $transition_note, false, false, true );
+
+                    // Fire another hook.
+                    do_action( 'getpaid_subscription_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this );
+                    do_action( 'getpaid_subscription_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+
+                } else {
+                    /* translators: %s: new invoice status */
+                    $transition_note = sprintf( __( 'Subscription status set to %s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
+
+                    // Note the transition occurred.
+                    $this->get_parent_payment()->add_note( $transition_note, false, false, true );
+
+                }
+            } catch ( Exception $e ) {
+                $this->get_parent_payment()->add_note( __( 'Error during subscription status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+            }
+        }
+
+    }
+
+    /**
+     * Save data to the database.
+     *
+     * @since 1.0.19
+     * @return int subscription ID
+     */
+    public function save() {
+        parent::save();
+        $this->status_transition();
+        return $this->get_id();
+    }
 
 }

Spacing +216 added lines, -216 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * The Subscription Class
@@ -70,27 +70,27 @@ 
 	 * @param  int|string|object|WPInv_Subscription $subscription Subscription id, profile_id, or object to read.
 	 * @param  bool $deprecated
 	 */
-	function __construct( $subscription = 0, $deprecated = false ) {
+	function __construct($subscription = 0, $deprecated = false) {
 
-		parent::__construct( $subscription );
+		parent::__construct($subscription);
 
-		if ( ! $deprecated && ! empty( $subscription ) && is_numeric( $subscription ) ) {
-			$this->set_id( $subscription );
-		} elseif ( $subscription instanceof self ) {
-			$this->set_id( $subscription->get_id() );
-		} elseif ( ! empty( $subscription->id ) ) {
-			$this->set_id( $subscription->id );
-		} elseif ( $deprecated && $subscription_id = self::get_subscription_id_by_field( $subscription, 'profile_id' ) ) {
-			$this->set_id( $subscription_id );
+		if (!$deprecated && !empty($subscription) && is_numeric($subscription)) {
+			$this->set_id($subscription);
+		} elseif ($subscription instanceof self) {
+			$this->set_id($subscription->get_id());
+		} elseif (!empty($subscription->id)) {
+			$this->set_id($subscription->id);
+		} elseif ($deprecated && $subscription_id = self::get_subscription_id_by_field($subscription, 'profile_id')) {
+			$this->set_id($subscription_id);
 		} else {
-			$this->set_object_read( true );
+			$this->set_object_read(true);
 		}
 
 		// Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-			$this->data_store->read( $this );
+		if ($this->get_id() > 0) {
+			$this->data_store->read($this);
 		}
 
 	}
@@ -105,17 +105,17 @@ 
 	 * @since 1.0.19
 	 * @return int
 	 */
-	public static function get_subscription_id_by_field( $value, $field = 'profile_id' ) {
+	public static function get_subscription_id_by_field($value, $field = 'profile_id') {
         global $wpdb;
 
 		// Trim the value.
-		$value = trim( $value );
+		$value = trim($value);
 
-		if ( empty( $value ) ) {
+		if (empty($value)) {
 			return 0;
 		}
 
-		if ( 'invoice_id' == $field ) {
+		if ('invoice_id' == $field) {
 			$field = 'parent_payment_id';
 		}
 
@@ -127,28 +127,28 @@ 
 		);
 
 		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+		if (empty($field) || !in_array($field, $fields)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$subscription_id   = wp_cache_get( $value, "getpaid_subscription_{$field}s_to_subscription_ids" );
-		if ( ! empty( $subscription_id ) ) {
+		$subscription_id = wp_cache_get($value, "getpaid_subscription_{$field}s_to_subscription_ids");
+		if (!empty($subscription_id)) {
 			return $subscription_id;
 		}
 
         // Fetch from the db.
         $table            = $wpdb->prefix . 'wpinv_subscriptions';
         $subscription_id  = (int) $wpdb->get_var(
-            $wpdb->prepare( "SELECT `id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
+            $wpdb->prepare("SELECT `id` FROM $table WHERE `$field`=%s LIMIT 1", $value)
         );
 
-		if ( empty( $subscription_id ) ) {
+		if (empty($subscription_id)) {
 			return 0;
 		}
 
 		// Update the cache with our data.
-		wp_cache_set( $value, $subscription_id, "getpaid_subscription_{$field}s_to_subscription_ids" );
+		wp_cache_set($value, $subscription_id, "getpaid_subscription_{$field}s_to_subscription_ids");
 
 		return $subscription_id;
 	}
@@ -157,17 +157,17 @@ 
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_parent_payment_id(), 'getpaid_subscription_parent_payment_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_subscription_transaction_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_profile_id(), 'getpaid_subscription_profile_ids_to_subscription_ids' );
-		wp_cache_delete( $this->get_id(), 'getpaid_subscriptions' );
+		wp_cache_delete($this->get_parent_payment_id(), 'getpaid_subscription_parent_payment_ids_to_subscription_ids');
+		wp_cache_delete($this->get_transaction_id(), 'getpaid_subscription_transaction_ids_to_subscription_ids');
+		wp_cache_delete($this->get_profile_id(), 'getpaid_subscription_profile_ids_to_subscription_ids');
+		wp_cache_delete($this->get_id(), 'getpaid_subscriptions');
 	}
 
 	/**
      * Checks if a subscription key is set.
      */
-    public function _isset( $key ) {
-        return isset( $this->data[$key] ) || method_exists( $this, "get_$key" );
+    public function _isset($key) {
+        return isset($this->data[$key]) || method_exists($this, "get_$key");
 	}
 
 	/*
@@ -192,8 +192,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'customer_id', $context );
+	public function get_customer_id($context = 'view') {
+		return (int) $this->get_prop('customer_id', $context);
 	}
 
 	/**
@@ -203,8 +203,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return WP_User|false WP_User object on success, false on failure.
 	 */
-	public function get_customer( $context = 'view' ) {
-		return get_userdata( $this->get_customer_id( $context ) );
+	public function get_customer($context = 'view') {
+		return get_userdata($this->get_customer_id($context));
 	}
 
 	/**
@@ -214,8 +214,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_parent_invoice_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_payment_id', $context );
+	public function get_parent_invoice_id($context = 'view') {
+		return (int) $this->get_prop('parent_payment_id', $context);
 	}
 
 	/**
@@ -225,8 +225,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_parent_payment_id( $context = 'view' ) {
-        return $this->get_parent_invoice_id( $context );
+    public function get_parent_payment_id($context = 'view') {
+        return $this->get_parent_invoice_id($context);
 	}
 
 	/**
@@ -235,8 +235,8 @@ 
      * @since  1.0.0
      * @return int
      */
-    public function get_original_payment_id( $context = 'view' ) {
-        return $this->get_parent_invoice_id( $context );
+    public function get_original_payment_id($context = 'view') {
+        return $this->get_parent_invoice_id($context);
     }
 
 	/**
@@ -246,8 +246,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return WPInv_Invoice
 	 */
-	public function get_parent_invoice( $context = 'view' ) {
-		return new WPInv_Invoice( $this->get_parent_invoice_id( $context ) );
+	public function get_parent_invoice($context = 'view') {
+		return new WPInv_Invoice($this->get_parent_invoice_id($context));
 	}
 
 	/**
@@ -257,8 +257,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return WPInv_Invoice
 	 */
-    public function get_parent_payment( $context = 'view' ) {
-        return $this->get_parent_invoice( $context );
+    public function get_parent_payment($context = 'view') {
+        return $this->get_parent_invoice($context);
 	}
 
 	/**
@@ -268,8 +268,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_product_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'product_id', $context );
+	public function get_product_id($context = 'view') {
+		return (int) $this->get_prop('product_id', $context);
 	}
 
 	/**
@@ -279,8 +279,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return WPInv_Item
 	 */
-	public function get_product( $context = 'view' ) {
-		return new WPInv_Item( $this->get_product_id( $context ) );
+	public function get_product($context = 'view') {
+		return new WPInv_Item($this->get_product_id($context));
 	}
 
 	/**
@@ -292,8 +292,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_parent_invoice( $context )->get_gateway();
+	public function get_gateway($context = 'view') {
+		return $this->get_parent_invoice($context)->get_gateway();
 	}
 
 	/**
@@ -303,8 +303,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_period( $context = 'view' ) {
-		return $this->get_prop( 'period', $context );
+	public function get_period($context = 'view') {
+		return $this->get_prop('period', $context);
 	}
 
 	/**
@@ -314,8 +314,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_frequency( $context = 'view' ) {
-		return (int) $this->get_prop( 'frequency', $context );
+	public function get_frequency($context = 'view') {
+		return (int) $this->get_prop('frequency', $context);
 	}
 
 	/**
@@ -325,8 +325,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_initial_amount( $context = 'view' ) {
-		return (float) wpinv_sanitize_amount( $this->get_prop( 'initial_amount', $context ) );
+	public function get_initial_amount($context = 'view') {
+		return (float) wpinv_sanitize_amount($this->get_prop('initial_amount', $context));
 	}
 
 	/**
@@ -336,8 +336,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_recurring_amount( $context = 'view' ) {
-		return (float) wpinv_sanitize_amount( $this->get_prop( 'recurring_amount', $context ) );
+	public function get_recurring_amount($context = 'view') {
+		return (float) wpinv_sanitize_amount($this->get_prop('recurring_amount', $context));
 	}
 
 	/**
@@ -347,8 +347,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_bill_times( $context = 'view' ) {
-		return (int) $this->get_prop( 'bill_times', $context );
+	public function get_bill_times($context = 'view') {
+		return (int) $this->get_prop('bill_times', $context);
 	}
 
 	/**
@@ -358,8 +358,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+	public function get_transaction_id($context = 'view') {
+		return $this->get_prop('transaction_id', $context);
 	}
 
 	/**
@@ -369,8 +369,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_created( $context = 'view' ) {
-		return $this->get_prop( 'created', $context );
+	public function get_created($context = 'view') {
+		return $this->get_prop('created', $context);
 	}
 
 	/**
@@ -380,8 +380,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_created( $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_created($context);
 	}
 
 	/**
@@ -392,7 +392,7 @@ 
 	 */
 	public function get_time_created() {
 		$created = $this->get_date_created();
-		return empty( $created ) ? current_time( 'timestamp' ) : strtotime( $created, current_time( 'timestamp' ) );
+		return empty($created) ? current_time('timestamp') : strtotime($created, current_time('timestamp'));
 	}
 
 	/**
@@ -402,11 +402,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
 	}
@@ -418,8 +418,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_next_renewal_date( $context = 'view' ) {
-		return $this->get_prop( 'expiration', $context );
+	public function get_next_renewal_date($context = 'view') {
+		return $this->get_prop('expiration', $context);
 	}
 
 	/**
@@ -429,8 +429,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_expiration( $context = 'view' ) {
-		return $this->get_next_renewal_date( $context );
+	public function get_expiration($context = 'view') {
+		return $this->get_next_renewal_date($context);
 	}
 
 	/**
@@ -442,12 +442,12 @@ 
 	public function get_expiration_time() {
 		$expiration = $this->get_expiration();
 
-		if ( empty( $expiration ) || '0000-00-00 00:00:00' == $expiration ) {
-			return current_time( 'timestamp' );
+		if (empty($expiration) || '0000-00-00 00:00:00' == $expiration) {
+			return current_time('timestamp');
 		}
 
-		$expiration = strtotime( $expiration, current_time( 'timestamp' ) );
-		return $expiration < current_time( 'timestamp' ) ? current_time( 'timestamp' ) : $expiration;
+		$expiration = strtotime($expiration, current_time('timestamp'));
+		return $expiration < current_time('timestamp') ? current_time('timestamp') : $expiration;
 	}
 
 	/**
@@ -457,11 +457,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_next_renewal_date_gmt( $context = 'view' ) {
-        $date = $this->get_next_renewal_date( $context );
+	public function get_next_renewal_date_gmt($context = 'view') {
+        $date = $this->get_next_renewal_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
 	}
@@ -473,8 +473,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_trial_period( $context = 'view' ) {
-		return $this->get_prop( 'trial_period', $context );
+	public function get_trial_period($context = 'view') {
+		return $this->get_prop('trial_period', $context);
 	}
 
 	/**
@@ -484,8 +484,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
 	}
 
 	/**
@@ -495,8 +495,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_profile_id( $context = 'view' ) {
-		return $this->get_prop( 'profile_id', $context );
+	public function get_profile_id($context = 'view') {
+		return $this->get_prop('profile_id', $context);
 	}
 
 	/*
@@ -511,8 +511,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value The customer's id.
 	 */
-	public function set_customer_id( $value ) {
-		$this->set_prop( 'customer_id', (int) $value );
+	public function set_customer_id($value) {
+		$this->set_prop('customer_id', (int) $value);
 	}
 
 	/**
@@ -521,8 +521,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value The parent invoice id.
 	 */
-	public function set_parent_invoice_id( $value ) {
-		$this->set_prop( 'parent_payment_id', (int) $value );
+	public function set_parent_invoice_id($value) {
+		$this->set_prop('parent_payment_id', (int) $value);
 	}
 
 	/**
@@ -531,8 +531,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value The parent invoice id.
 	 */
-    public function set_parent_payment_id( $value ) {
-        $this->set_parent_invoice_id( $value );
+    public function set_parent_payment_id($value) {
+        $this->set_parent_invoice_id($value);
 	}
 
 	/**
@@ -541,8 +541,8 @@ 
      * @since 1.0.19
 	 * @param  int $value The parent invoice id.
      */
-    public function set_original_payment_id( $value ) {
-        $this->set_parent_invoice_id( $value );
+    public function set_original_payment_id($value) {
+        $this->set_parent_invoice_id($value);
 	}
 
 	/**
@@ -551,8 +551,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value The subscription product id.
 	 */
-	public function set_product_id( $value ) {
-		$this->set_prop( 'product_id', (int) $value );
+	public function set_product_id($value) {
+		$this->set_prop('product_id', (int) $value);
 	}
 
 	/**
@@ -561,8 +561,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value The renewal period.
 	 */
-	public function set_period( $value ) {
-		$this->set_prop( 'period', $value );
+	public function set_period($value) {
+		$this->set_prop('period', $value);
 	}
 
 	/**
@@ -571,9 +571,9 @@ 
 	 * @since 1.0.19
 	 * @param  int $value The subscription frequency.
 	 */
-	public function set_frequency( $value ) {
-		$value = empty( $value ) ? 1 : (int) $value;
-		$this->set_prop( 'frequency', absint( $value ) );
+	public function set_frequency($value) {
+		$value = empty($value) ? 1 : (int) $value;
+		$this->set_prop('frequency', absint($value));
 	}
 
 	/**
@@ -582,8 +582,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value The initial subcription amount.
 	 */
-	public function set_initial_amount( $value ) {
-		$this->set_prop( 'initial_amount', wpinv_sanitize_amount( $value ) );
+	public function set_initial_amount($value) {
+		$this->set_prop('initial_amount', wpinv_sanitize_amount($value));
 	}
 
 	/**
@@ -592,8 +592,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value The recurring subcription amount.
 	 */
-	public function set_recurring_amount( $value ) {
-		$this->set_prop( 'recurring_amount', wpinv_sanitize_amount( $value ) );
+	public function set_recurring_amount($value) {
+		$this->set_prop('recurring_amount', wpinv_sanitize_amount($value));
 	}
 
 	/**
@@ -602,8 +602,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value Bill times.
 	 */
-	public function set_bill_times( $value ) {
-		$this->set_prop( 'bill_times', (int) $value );
+	public function set_bill_times($value) {
+		$this->set_prop('bill_times', (int) $value);
 	}
 
 	/**
@@ -612,8 +612,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value Bill times.
 	 */
-	public function set_transaction_id( $value ) {
-		$this->set_prop( 'transaction_id', sanitize_text_field( $value ) );
+	public function set_transaction_id($value) {
+		$this->set_prop('transaction_id', sanitize_text_field($value));
 	}
 
 	/**
@@ -622,15 +622,15 @@ 
 	 * @since 1.0.19
 	 * @param string $value strtotime compliant date.
 	 */
-	public function set_created( $value ) {
-        $date = strtotime( $value );
+	public function set_created($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('created', date('Y-m-d H:i:s', $date));
             return;
         }
 
-		$this->set_prop( 'created', '' );
+		$this->set_prop('created', '');
 
 	}
 
@@ -640,8 +640,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value strtotime compliant date.
 	 */
-	public function set_date_created( $value ) {
-		$this->set_created( $value );
+	public function set_date_created($value) {
+		$this->set_created($value);
     }
 
 	/**
@@ -650,15 +650,15 @@ 
 	 * @since 1.0.19
 	 * @param string $value strtotime compliant date.
 	 */
-	public function set_next_renewal_date( $value ) {
-		$date = strtotime( $value );
+	public function set_next_renewal_date($value) {
+		$date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'expiration', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('expiration', date('Y-m-d H:i:s', $date));
             return;
 		}
 
-		$this->set_prop( 'expiration', '' );
+		$this->set_prop('expiration', '');
 
 	}
 
@@ -668,8 +668,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value strtotime compliant date.
 	 */
-	public function set_expiration( $value ) {
-		$this->set_next_renewal_date( $value );
+	public function set_expiration($value) {
+		$this->set_next_renewal_date($value);
     }
 
 	/**
@@ -678,8 +678,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value trial period e.g 1 year.
 	 */
-	public function set_trial_period( $value ) {
-		$this->set_prop( 'trial_period', $value );
+	public function set_trial_period($value) {
+		$this->set_prop('trial_period', $value);
 	}
 
 	/**
@@ -688,19 +688,19 @@ 
 	 * @since 1.0.19
 	 * @param string $new_status    New subscription status.
 	 */
-	public function set_status( $new_status ) {
+	public function set_status($new_status) {
 
 		// Abort if this is not a valid status;
-		if ( ! array_key_exists( $new_status, getpaid_get_subscription_statuses() ) ) {
+		if (!array_key_exists($new_status, getpaid_get_subscription_statuses())) {
 			return;
 		}
 
 		$old_status = $this->get_status();
-		$this->set_prop( 'status', $new_status );
+		$this->set_prop('status', $new_status);
 
-		if ( true === $this->object_read && $old_status !== $new_status ) {
+		if (true === $this->object_read && $old_status !== $new_status) {
 			$this->status_transition = array(
-				'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+				'from'   => !empty($this->status_transition['from']) ? $this->status_transition['from'] : $old_status,
 				'to'     => $new_status,
 			);
 		}
@@ -713,8 +713,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value the remote profile id.
 	 */
-	public function set_profile_id( $value ) {
-		$this->set_prop( 'profile_id', sanitize_text_field( $value ) );
+	public function set_profile_id($value) {
+		$this->set_prop('profile_id', sanitize_text_field($value));
 	}
 
 	/*
@@ -732,8 +732,8 @@ 
 	 * @param string|array String or array of strings to check for.
 	 * @return bool
      */
-    public function has_status( $status ) {
-        return in_array( $this->get_status(), wpinv_parse_list( $status ) );
+    public function has_status($status) {
+        return in_array($this->get_status(), wpinv_parse_list($status));
 	}
 
 	/**
@@ -743,7 +743,7 @@ 
      */
     public function has_trial_period() {
 		$period = $this->get_trial_period();
-        return ! empty( $period );
+        return !empty($period);
 	}
 
 	/**
@@ -752,7 +752,7 @@ 
 	 * @return bool
 	 */
 	public function is_active() {
-		return $this->has_status( 'active trialling' ) && $this->get_expiration_time() > current_time( 'mysql' );
+		return $this->has_status('active trialling') && $this->get_expiration_time() > current_time('mysql');
 	}
 
 	/**
@@ -761,7 +761,7 @@ 
 	 * @return bool
 	 */
 	public function is_expired() {
-		return $this->has_status( 'expired' ) || ( $this->has_status( 'active cancelled trialling' ) && $this->get_expiration_time() < current_time( 'mysql' ) );
+		return $this->has_status('expired') || ($this->has_status('active cancelled trialling') && $this->get_expiration_time() < current_time('mysql'));
 	}
 
 	/*
@@ -776,11 +776,11 @@ 
 	/**
 	 * Backwards compatibilty.
 	 */
-	public function create( $data = array() ) {
+	public function create($data = array()) {
 
 		// Set the properties.
-		if ( is_array( $data ) ) {
-			$this->set_props( $data );
+		if (is_array($data)) {
+			$this->set_props($data);
 		}
 
 		// Save the item.
@@ -791,8 +791,8 @@ 
 	/**
 	 * Backwards compatibilty.
 	 */
-	public function update( $args = array() ) {
-		return $this->create( $args );
+	public function update($args = array()) {
+		return $this->create($args);
 	}
 
     /**
@@ -806,7 +806,7 @@ 
 			array(
             	'post_parent'    => $this->get_parent_payment_id(),
             	'numberposts'    => -1,
-            	'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+            	'post_status'    => array('publish', 'wpi-processing', 'wpi-renewal'),
             	'orderby'        => 'ID',
             	'order'          => 'DESC',
             	'post_type'      => 'wpi_invoice'
@@ -831,7 +831,7 @@ 
 		);
 
 		// Maybe include parent invoice.
-        if ( ! $this->has_status( 'pending' ) ) {
+        if (!$this->has_status('pending')) {
             $count++;
         }
 
@@ -847,7 +847,7 @@ 
     public function get_times_billed() {
         $times_billed = $this->get_total_payments();
 
-        if ( $this->has_trial_period() && $times_billed > 0 ) {
+        if ($this->has_trial_period() && $times_billed > 0) {
             $times_billed--;
         }
 
@@ -862,49 +862,49 @@ 
 	 * @param  WPInv_Invoice $invoice If adding an existing invoice.
      * @return bool
      */
-    public function add_payment( $args = array(), $invoice = false ) {
+    public function add_payment($args = array(), $invoice = false) {
 
 		// Process each payment once.
-        if ( ! empty( $args['transaction_id'] ) && $this->payment_exists( $args['transaction_id'] ) ) {
+        if (!empty($args['transaction_id']) && $this->payment_exists($args['transaction_id'])) {
             return false;
         }
 
 		// Are we creating a new invoice?
-		if ( empty( $invoice ) ) {
+		if (empty($invoice)) {
 			$invoice = $this->create_payment();
 
-			if ( empty( $invoice ) ) {
+			if (empty($invoice)) {
 				return false;
 			}
 
-			$invoice->set_status( 'wpi-renewal' );
+			$invoice->set_status('wpi-renewal');
 
 		}
 
 		// Maybe set a transaction id.
-		if ( ! empty( $args['transaction_id'] ) ) {
-			$invoice->set_transaction_id( $args['transaction_id'] );
+		if (!empty($args['transaction_id'])) {
+			$invoice->set_transaction_id($args['transaction_id']);
 		}
 
 		// Set the completed date.
-		$invoice->set_completed_date( current_time( 'mysql' ) );
+		$invoice->set_completed_date(current_time('mysql'));
 
 		// And the gateway.
-		if ( ! empty( $args['gateway'] ) ) {
-			$invoice->set_gateway( $args['gateway'] );
+		if (!empty($args['gateway'])) {
+			$invoice->set_gateway($args['gateway']);
 		}
 
 		$invoice->save();
 
-		if ( ! $invoice->get_id() ) {
+		if (!$invoice->get_id()) {
 			return 0;
 		}
 
-		do_action( 'getpaid_after_create_subscription_renewal_invoice', $invoice, $this );
-		do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $this );
-        do_action( 'wpinv_recurring_record_payment', $invoice->get_id(), $this->get_parent_invoice_id(), $invoice->get_recurring_total(), $invoice->get_transaction_id() );
+		do_action('getpaid_after_create_subscription_renewal_invoice', $invoice, $this);
+		do_action('wpinv_recurring_add_subscription_payment', $invoice, $this);
+        do_action('wpinv_recurring_record_payment', $invoice->get_id(), $this->get_parent_invoice_id(), $invoice->get_recurring_total(), $invoice->get_transaction_id());
 
-        update_post_meta( $invoice->get_id(), '_wpinv_subscription_id', $this->id );
+        update_post_meta($invoice->get_id(), '_wpinv_subscription_id', $this->id);
 
         return $invoice->get_id();
 	}
@@ -919,21 +919,21 @@ 
 
 		$parent_invoice = $this->get_parent_payment();
 
-		if ( ! $parent_invoice->get_id() ) {
+		if (!$parent_invoice->get_id()) {
 			return false;
 		}
 
 		// Duplicate the parent invoice.
 		$invoice = new WPInv_Invoice();
-		$invoice->set_props( $parent_invoice->get_data() );
-		$invoice->set_id( 0 );
-		$invoice->set_items( $parent_invoice->get_items() );
-		$invoice->set_parent_id( $parent_invoice->get_id() );
-		$invoice->set_transaction_id( '' );
-		$invoice->set_key( $invoice->generate_key( 'renewal_' ) );
-		$invoice->set_number( '' );
-		$invoice->set_completed_date( '' );
-		$invoice->set_status( 'wpi-pending' );
+		$invoice->set_props($parent_invoice->get_data());
+		$invoice->set_id(0);
+		$invoice->set_items($parent_invoice->get_items());
+		$invoice->set_parent_id($parent_invoice->get_id());
+		$invoice->set_transaction_id('');
+		$invoice->set_key($invoice->generate_key('renewal_'));
+		$invoice->set_number('');
+		$invoice->set_completed_date('');
+		$invoice->set_status('wpi-pending');
 		$invoice->recalculate_total();
 		$invoice->save();
 
@@ -949,20 +949,20 @@ 
 	public function renew() {
 
 		// Complete subscription if applicable
-		if ( $this->get_bill_times() > 0 && $this->get_times_billed() >= $this->get_bill_times() ) {
+		if ($this->get_bill_times() > 0 && $this->get_times_billed() >= $this->get_bill_times()) {
 			return $this->complete();
 		}
 
 		// Calculate new expiration
 		$frequency      = $this->get_frequency();
 		$period         = $this->get_period();
-		$new_expiration = strtotime( "+ $frequency $period", $this->get_expiration_time() );
+		$new_expiration = strtotime("+ $frequency $period", $this->get_expiration_time());
 
-		$this->set_expiration( date( 'Y-m-d H:i:s',$new_expiration ) );
-		$this->set_status( 'active' );
+		$this->set_expiration(date('Y-m-d H:i:s', $new_expiration));
+		$this->set_status('active');
 		return $this->save();
 
-		do_action( 'getpaid_subscription_renewed', $this );
+		do_action('getpaid_subscription_renewed', $this);
 
 	}
 
@@ -977,11 +977,11 @@ 
 	public function complete() {
 
 		// Only mark a subscription as complete if it's not already cancelled.
-		if ( $this->has_status( 'cancelled' ) ) {
+		if ($this->has_status('cancelled')) {
 			return false;
 		}
 
-		$this->set_status( 'completed' );
+		$this->set_status('completed');
 		return $this->save();
 
 	}
@@ -993,14 +993,14 @@ 
 	 * @param  bool $check_expiration
 	 * @return int|bool Subscription id or false if $check_expiration is true and expiration date is in the future.
 	 */
-	public function expire( $check_expiration = false ) {
+	public function expire($check_expiration = false) {
 
-		if ( $check_expiration && $this->get_expiration_time() > current_time( 'timestamp' ) ) {
+		if ($check_expiration && $this->get_expiration_time() > current_time('timestamp')) {
 			// Do not mark as expired since real expiration date is in the future
 			return false;
 		}
 
-		$this->set_status( 'expired' );
+		$this->set_status('expired');
 		return $this->save();
 
 	}
@@ -1012,7 +1012,7 @@ 
 	 * @return int Subscription id.
 	 */
 	public function failing() {
-		$this->set_status( 'failing' );
+		$this->set_status('failing');
 		return $this->save();
 	}
 
@@ -1023,7 +1023,7 @@ 
      * @return int Subscription id.
      */
     public function cancel() {
-		$this->set_status( 'cancelled' );
+		$this->set_status('cancelled');
 		return $this->save();
     }
 
@@ -1034,7 +1034,7 @@ 
 	 * @return bool
 	 */
 	public function can_cancel() {
-		return apply_filters( 'wpinv_subscription_can_cancel', $this->has_status( $this->get_cancellable_statuses() ), $this );
+		return apply_filters('wpinv_subscription_can_cancel', $this->has_status($this->get_cancellable_statuses()), $this);
 	}
 
     /**
@@ -1045,7 +1045,7 @@ 
      * @return      array
      */
     public function get_cancellable_statuses() {
-        return apply_filters( 'wpinv_recurring_cancellable_statuses', array( 'active', 'trialling', 'failing' ) );
+        return apply_filters('wpinv_recurring_cancellable_statuses', array('active', 'trialling', 'failing'));
     }
 
 	/**
@@ -1055,8 +1055,8 @@ 
 	 * @return string
 	 */
 	public function get_cancel_url() {
-		$url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'subscription_cancel', 'sub_id' => $this->get_id() ) ), 'getpaid-nonce' );
-		return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+		$url = wp_nonce_url(add_query_arg(array('getpaid-action' => 'subscription_cancel', 'sub_id' => $this->get_id())), 'getpaid-nonce');
+		return apply_filters('wpinv_subscription_cancel_url', $url, $this);
 	}
 
 	/**
@@ -1069,7 +1069,7 @@ 
 	 * @return bool
 	 */
 	public function can_renew() {
-		return apply_filters( 'wpinv_subscription_can_renew', true, $this );
+		return apply_filters('wpinv_subscription_can_renew', true, $this);
 	}
 
 	/**
@@ -1079,8 +1079,8 @@ 
 	 * @return string
 	 */
 	public function get_renew_url() {
-		$url = wp_nonce_url( add_query_arg( array( 'getpaid-action' => 'renew_subscription', 'sub_id' => $this->get_id ) ), 'getpaid-nonce' );
-		return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
+		$url = wp_nonce_url(add_query_arg(array('getpaid-action' => 'renew_subscription', 'sub_id' => $this->get_id)), 'getpaid-nonce');
+		return apply_filters('wpinv_subscription_renew_url', $url, $this);
 	}
 
 	/**
@@ -1090,7 +1090,7 @@ 
 	 * @return bool
 	 */
 	public function can_update() {
-		return apply_filters( 'wpinv_subscription_can_update', false, $this );
+		return apply_filters('wpinv_subscription_can_update', false, $this);
 	}
 
 	/**
@@ -1100,8 +1100,8 @@ 
 	 * @return string
 	 */
 	public function get_update_url() {
-		$url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->get_id() ) );
-		return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+		$url = add_query_arg(array('action' => 'update', 'subscription_id' => $this->get_id()));
+		return apply_filters('wpinv_subscription_update_url', $url, $this);
 	}
 
 	/**
@@ -1111,7 +1111,7 @@ 
 	 * @return string
 	 */
 	public function get_status_label() {
-		return getpaid_get_subscription_status_label( $this->get_status() );
+		return getpaid_get_subscription_status_label($this->get_status());
 	}
 
 	/**
@@ -1122,7 +1122,7 @@ 
 	 */
 	public function get_status_class() {
 		$statuses = getpaid_get_subscription_status_classes();
-		return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'text-white bg-secondary';
+		return isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : 'text-white bg-secondary';
 	}
 
     /**
@@ -1133,9 +1133,9 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_label() );
-		$class        = esc_attr( $this->get_status_class() );
-		$status       = sanitize_html_class( $this->get_status_label() );
+		$status_label = sanitize_text_field($this->get_status_label());
+		$class        = esc_attr($this->get_status_class());
+		$status       = sanitize_html_class($this->get_status_label());
 
 		return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded $class $status'>$status_label</span></span>";
     }
@@ -1147,9 +1147,9 @@ 
      * @param  string $txn_id The transaction ID from the merchant processor
      * @return bool
      */
-    public function payment_exists( $txn_id = '' ) {
-		$invoice_id = WPInv_Invoice::get_invoice_id_by_field( $txn_id, 'transaction_id' );
-        return ! empty( $invoice_id );
+    public function payment_exists($txn_id = '') {
+		$invoice_id = WPInv_Invoice::get_invoice_id_by_field($txn_id, 'transaction_id');
+        return !empty($invoice_id);
 	}
 
 	/**
@@ -1161,35 +1161,35 @@ 
 		// Reset status transition variable.
 		$this->status_transition = false;
 
-		if ( $status_transition ) {
+		if ($status_transition) {
 			try {
 
 				// Fire a hook for the status change.
-				do_action( 'wpinv_subscription_' . $status_transition['to'], $this->get_id(), $this, $status_transition );
-				do_action( 'getpaid_subscription_' . $status_transition['to'], $this, $status_transition );
+				do_action('wpinv_subscription_' . $status_transition['to'], $this->get_id(), $this, $status_transition);
+				do_action('getpaid_subscription_' . $status_transition['to'], $this, $status_transition);
 
-				if ( ! empty( $status_transition['from'] ) ) {
+				if (!empty($status_transition['from'])) {
 
 					/* translators: 1: old subscription status 2: new subscription status */
-					$transition_note = sprintf( __( 'Subscription status changed from %1$s to %2$s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['from'] ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
+					$transition_note = sprintf(__('Subscription status changed from %1$s to %2$s.', 'invoicing'), getpaid_get_subscription_status_label($status_transition['from']), getpaid_get_subscription_status_label($status_transition['to']));
 
 					// Note the transition occurred.
-					$this->get_parent_payment()->add_note( $transition_note, false, false, true );
+					$this->get_parent_payment()->add_note($transition_note, false, false, true);
 
 					// Fire another hook.
-					do_action( 'getpaid_subscription_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this );
-					do_action( 'getpaid_subscription_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+					do_action('getpaid_subscription_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this);
+					do_action('getpaid_subscription_status_changed', $this, $status_transition['from'], $status_transition['to']);
 
 				} else {
 					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Subscription status set to %s.', 'invoicing' ), getpaid_get_subscription_status_label( $status_transition['to'] ) );
+					$transition_note = sprintf(__('Subscription status set to %s.', 'invoicing'), getpaid_get_subscription_status_label($status_transition['to']));
 
 					// Note the transition occurred.
-					$this->get_parent_payment()->add_note( $transition_note, false, false, true );
+					$this->get_parent_payment()->add_note($transition_note, false, false, true);
 
 				}
-			} catch ( Exception $e ) {
-				$this->get_parent_payment()->add_note( __( 'Error during subscription status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+			} catch (Exception $e) {
+				$this->get_parent_payment()->add_note(__('Error during subscription status transition.', 'invoicing') . ' ' . $e->getMessage());
 			}
 		}
 

includes/wpinv-template-functions.php

Spacing +532 added lines, -532 removed lines

@@ -4,99 +4,99 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Displays an invoice.
  * 
  * @param WPInv_Invoice $invoice.
  */
-function getpaid_invoice( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice.php', compact( 'invoice' ) );
+function getpaid_invoice($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice', 'getpaid_invoice', 10 );
+add_action('getpaid_invoice', 'getpaid_invoice', 10);
 
 /**
  * Displays the invoice footer.
  */
-function getpaid_invoice_footer( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/footer.php', compact( 'invoice' ) );
+function getpaid_invoice_footer($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/footer.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_footer', 'getpaid_invoice_footer', 10 );
+add_action('getpaid_invoice_footer', 'getpaid_invoice_footer', 10);
 
 /**
  * Displays the invoice top bar.
  */
-function getpaid_invoice_header( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header.php', compact( 'invoice' ) );
+function getpaid_invoice_header($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header', 'getpaid_invoice_header', 10 );
+add_action('getpaid_invoice_header', 'getpaid_invoice_header', 10);
 
 /**
  * Displays actions on the left side of the header.
  */
-function getpaid_invoice_header_left_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-left-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_left_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-left-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10 );
+add_action('getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10);
 
 /**
  * Displays actions on the right side of the invoice top bar.
  */
-function getpaid_invoice_header_right_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-right-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_right_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-right-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10 );
+add_action('getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10);
 
 /**
  * Displays the invoice title, watermark, logo etc.
  */
-function getpaid_invoice_details_top( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details-top.php', compact( 'invoice' ) );
+function getpaid_invoice_details_top($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details-top.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_top', 10 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_top', 10);
 
 /**
  * Displays the company logo.
  */
-function getpaid_invoice_logo( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-logo.php', compact( 'invoice' ) );
+function getpaid_invoice_logo($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-logo.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_left', 'getpaid_invoice_logo' );
+add_action('getpaid_invoice_details_top_left', 'getpaid_invoice_logo');
 
 /**
  * Displays the type of invoice.
  */
-function getpaid_invoice_type( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-type.php', compact( 'invoice' ) );
+function getpaid_invoice_type($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-type.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_right', 'getpaid_invoice_type' );
+add_action('getpaid_invoice_details_top_right', 'getpaid_invoice_type');
 
 /**
  * Displays the invoice details.
  */
-function getpaid_invoice_details_main( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details.php', compact( 'invoice' ) );
+function getpaid_invoice_details_main($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_main', 50 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_main', 50);
 
 /**
  * Returns a path to the templates directory.
@@ -125,8 +125,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-    return getpaid_template()->display_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template($template_name, $args = array(), $template_path = '', $default_path = '') {
+    return getpaid_template()->display_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -139,8 +139,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template_html($template_name, $args = array(), $template_path = '', $default_path = '') {
+	return getpaid_template()->get_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -149,7 +149,7 @@ 
  * @return string
  */
 function wpinv_template_path() {
-    return apply_filters( 'wpinv_template_path', wpinv_get_theme_template_dir_name() );
+    return apply_filters('wpinv_template_path', wpinv_get_theme_template_dir_name());
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+	return trailingslashit(apply_filters('wpinv_templates_dir', 'invoicing'));
 }
 
 /**
@@ -170,56 +170,56 @@ 
  * @param string $template_path The template path relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_locate_template( $template_name, $template_path = '', $default_path = '' ) {
-    return getpaid_template()->locate_template( $template_name, $template_path, $default_path );
+function wpinv_locate_template($template_name, $template_path = '', $default_path = '') {
+    return getpaid_template()->locate_template($template_name, $template_path, $default_path);
 }
 
-function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+function wpinv_get_template_part($slug, $name = null, $load = true) {
+	do_action('get_template_part_' . $slug, $slug, $name);
 
 	// Setup possible parts
 	$templates = array();
-	if ( isset( $name ) )
+	if (isset($name))
 		$templates[] = $slug . '-' . $name . '.php';
 	$templates[] = $slug . '.php';
 
 	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+	$templates = apply_filters('wpinv_get_template_part', $templates, $slug, $name);
 
 	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+	return wpinv_locate_tmpl($templates, $load, false);
 }
 
-function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
+function wpinv_locate_tmpl($template_names, $load = false, $require_once = true) {
 	// No file found yet
 	$located = false;
 
 	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+	foreach ((array) $template_names as $template_name) {
 
 		// Continue if template is empty
-		if ( empty( $template_name ) )
+		if (empty($template_name))
 			continue;
 
 		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+		$template_name = ltrim($template_name, '/');
 
 		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+		foreach (wpinv_get_theme_template_paths() as $template_path) {
 
-			if( file_exists( $template_path . $template_name ) ) {
+			if (file_exists($template_path . $template_name)) {
 				$located = $template_path . $template_name;
 				break;
 			}
 		}
 
-		if( !empty( $located ) ) {
+		if (!empty($located)) {
 			break;
 		}
 	}
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+	if ((true == $load) && !empty($located))
+		load_template($located, $require_once);
 
 	return $located;
 }
@@ -228,155 +228,155 @@ 
 	$template_dir = wpinv_get_theme_template_dir_name();
 
 	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
+		1 => trailingslashit(get_stylesheet_directory()) . $template_dir,
+		10 => trailingslashit(get_template_directory()) . $template_dir,
 		100 => wpinv_get_templates_dir()
 	);
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+	$file_paths = apply_filters('wpinv_template_paths', $file_paths);
 
 	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+	ksort($file_paths, SORT_NUMERIC);
 
-	return array_map( 'trailingslashit', $file_paths );
+	return array_map('trailingslashit', $file_paths);
 }
 
 function wpinv_checkout_meta_tags() {
 
 	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+	$pages[] = wpinv_get_option('success_page');
+	$pages[] = wpinv_get_option('failure_page');
+	$pages[] = wpinv_get_option('invoice_history_page');
+	$pages[] = wpinv_get_option('invoice_subscription_page');
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+	if (!wpinv_is_checkout() && !is_page($pages)) {
 		return;
 	}
 
 	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
-add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
+add_action('wp_head', 'wpinv_checkout_meta_tags');
 
-function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+function wpinv_add_body_classes($class) {
+	$classes = (array) $class;
 
-	if( wpinv_is_checkout() ) {
+	if (wpinv_is_checkout()) {
 		$classes[] = 'wpinv-checkout';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_success_page() ) {
+	if (wpinv_is_success_page()) {
 		$classes[] = 'wpinv-success';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_failed_transaction_page() ) {
+	if (wpinv_is_failed_transaction_page()) {
 		$classes[] = 'wpinv-failed-transaction';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_invoice_history_page() ) {
+	if (wpinv_is_invoice_history_page()) {
 		$classes[] = 'wpinv-history';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_subscriptions_history_page() ) {
+	if (wpinv_is_subscriptions_history_page()) {
 		$classes[] = 'wpinv-subscription';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_test_mode() ) {
+	if (wpinv_is_test_mode()) {
 		$classes[] = 'wpinv-test-mode';
 		$classes[] = 'wpinv-page';
 	}
 
-	return array_unique( $classes );
+	return array_unique($classes);
 }
-add_filter( 'body_class', 'wpinv_add_body_classes' );
+add_filter('body_class', 'wpinv_add_body_classes');
 
-function wpinv_html_dropdown( $name = 'wpinv_discounts', $selected = 0, $status = '' ) {
-    $args = array( 'nopaging' => true );
+function wpinv_html_dropdown($name = 'wpinv_discounts', $selected = 0, $status = '') {
+    $args = array('nopaging' => true);
 
-    if ( ! empty( $status ) )
+    if (!empty($status))
         $args['post_status'] = $status;
 
-    $discounts = wpinv_get_discounts( $args );
+    $discounts = wpinv_get_discounts($args);
     $options   = array();
 
-    if ( $discounts ) {
-        foreach ( $discounts as $discount ) {
-            $options[ absint( $discount->ID ) ] = esc_html( get_the_title( $discount->ID ) );
+    if ($discounts) {
+        foreach ($discounts as $discount) {
+            $options[absint($discount->ID)] = esc_html(get_the_title($discount->ID));
         }
     } else {
-        $options[0] = __( 'No discounts found', 'invoicing' );
+        $options[0] = __('No discounts found', 'invoicing');
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false,
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_year_dropdown( $name = 'year', $selected = 0, $years_before = 5, $years_after = 0 ) {
-    $current     = date( 'Y' );
-    $start_year  = $current - absint( $years_before );
-    $end_year    = $current + absint( $years_after );
-    $selected    = empty( $selected ) ? date( 'Y' ) : $selected;
+function wpinv_html_year_dropdown($name = 'year', $selected = 0, $years_before = 5, $years_after = 0) {
+    $current     = date('Y');
+    $start_year  = $current - absint($years_before);
+    $end_year    = $current + absint($years_after);
+    $selected    = empty($selected) ? date('Y') : $selected;
     $options     = array();
 
-    while ( $start_year <= $end_year ) {
-        $options[ absint( $start_year ) ] = $start_year;
+    while ($start_year <= $end_year) {
+        $options[absint($start_year)] = $start_year;
         $start_year++;
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_month_dropdown( $name = 'month', $selected = 0 ) {
+function wpinv_html_month_dropdown($name = 'month', $selected = 0) {
 
     $options = array(
-        '1'  => __( 'January', 'invoicing' ),
-        '2'  => __( 'February', 'invoicing' ),
-        '3'  => __( 'March', 'invoicing' ),
-        '4'  => __( 'April', 'invoicing' ),
-        '5'  => __( 'May', 'invoicing' ),
-        '6'  => __( 'June', 'invoicing' ),
-        '7'  => __( 'July', 'invoicing' ),
-        '8'  => __( 'August', 'invoicing' ),
-        '9'  => __( 'September', 'invoicing' ),
-        '10' => __( 'October', 'invoicing' ),
-        '11' => __( 'November', 'invoicing' ),
-        '12' => __( 'December', 'invoicing' ),
+        '1'  => __('January', 'invoicing'),
+        '2'  => __('February', 'invoicing'),
+        '3'  => __('March', 'invoicing'),
+        '4'  => __('April', 'invoicing'),
+        '5'  => __('May', 'invoicing'),
+        '6'  => __('June', 'invoicing'),
+        '7'  => __('July', 'invoicing'),
+        '8'  => __('August', 'invoicing'),
+        '9'  => __('September', 'invoicing'),
+        '10' => __('October', 'invoicing'),
+        '11' => __('November', 'invoicing'),
+        '12' => __('December', 'invoicing'),
     );
 
     // If no month is selected, default to the current month
-    $selected = empty( $selected ) ? date( 'n' ) : $selected;
+    $selected = empty($selected) ? date('n') : $selected;
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_select( $args = array() ) {
+function wpinv_html_select($args = array()) {
     $defaults = array(
         'options'          => array(),
         'name'             => null,
@@ -385,8 +385,8 @@ 
         'selected'         => 0,
         'placeholder'      => null,
         'multiple'         => false,
-        'show_option_all'  => _x( 'All', 'all dropdown items', 'invoicing' ),
-        'show_option_none' => _x( 'None', 'no dropdown items', 'invoicing' ),
+        'show_option_all'  => _x('All', 'all dropdown items', 'invoicing'),
+        'show_option_none' => _x('None', 'no dropdown items', 'invoicing'),
         'data'             => array(),
         'onchange'         => null,
         'required'         => false,
@@ -394,74 +394,74 @@ 
         'readonly'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $data_elements = '';
-    foreach ( $args['data'] as $key => $value ) {
-        $data_elements .= ' data-' . esc_attr( $key ) . '="' . esc_attr( $value ) . '"';
+    foreach ($args['data'] as $key => $value) {
+        $data_elements .= ' data-' . esc_attr($key) . '="' . esc_attr($value) . '"';
     }
 
-    if( $args['multiple'] ) {
+    if ($args['multiple']) {
         $multiple = ' MULTIPLE';
     } else {
         $multiple = '';
     }
 
-    if( $args['placeholder'] ) {
+    if ($args['placeholder']) {
         $placeholder = $args['placeholder'];
     } else {
         $placeholder = '';
     }
     
     $options = '';
-    if( !empty( $args['onchange'] ) ) {
-        $options .= ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $options .= ' onchange="' . esc_attr($args['onchange']) . '"';
     }
     
-    if( !empty( $args['required'] ) ) {
+    if (!empty($args['required'])) {
         $options .= ' required="required"';
     }
     
-    if( !empty( $args['disabled'] ) ) {
+    if (!empty($args['disabled'])) {
         $options .= ' disabled';
     }
     
-    if( !empty( $args['readonly'] ) ) {
+    if (!empty($args['readonly'])) {
         $options .= ' readonly';
     }
 
-    $class  = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
-    $output = '<select name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim( $options ) . $data_elements . '>';
+    $class  = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
+    $output = '<select name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim($options) . $data_elements . '>';
 
-    if ( $args['show_option_all'] ) {
-        if( $args['multiple'] ) {
-            $selected = selected( true, in_array( 0, $args['selected'] ), false );
+    if ($args['show_option_all']) {
+        if ($args['multiple']) {
+            $selected = selected(true, in_array(0, $args['selected']), false);
         } else {
-            $selected = selected( $args['selected'], 0, false );
+            $selected = selected($args['selected'], 0, false);
         }
-        $output .= '<option value="all"' . $selected . '>' . esc_html( $args['show_option_all'] ) . '</option>';
+        $output .= '<option value="all"' . $selected . '>' . esc_html($args['show_option_all']) . '</option>';
     }
 
-    if ( !empty( $args['options'] ) ) {
+    if (!empty($args['options'])) {
 
-        if ( $args['show_option_none'] ) {
-            if( $args['multiple'] ) {
-                $selected = selected( true, in_array( "", $args['selected'] ), false );
+        if ($args['show_option_none']) {
+            if ($args['multiple']) {
+                $selected = selected(true, in_array("", $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'] === "", true, false );
+                $selected = selected($args['selected'] === "", true, false);
             }
-            $output .= '<option value=""' . $selected . '>' . esc_html( $args['show_option_none'] ) . '</option>';
+            $output .= '<option value=""' . $selected . '>' . esc_html($args['show_option_none']) . '</option>';
         }
 
-        foreach( $args['options'] as $key => $option ) {
+        foreach ($args['options'] as $key => $option) {
 
-            if( $args['multiple'] && is_array( $args['selected'] ) ) {
-                $selected = selected( true, (bool)in_array( $key, $args['selected'] ), false );
+            if ($args['multiple'] && is_array($args['selected'])) {
+                $selected = selected(true, (bool) in_array($key, $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'], $key, false );
+                $selected = selected($args['selected'], $key, false);
             }
 
-            $output .= '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option ) . '</option>';
+            $output .= '<option value="' . esc_attr($key) . '"' . $selected . '>' . esc_html($option) . '</option>';
         }
     }
 
@@ -470,7 +470,7 @@ 
     return $output;
 }
 
-function wpinv_item_dropdown( $args = array() ) {
+function wpinv_item_dropdown($args = array()) {
     $defaults = array(
         'name'              => 'wpi_item',
         'id'                => 'wpi_item',
@@ -478,14 +478,14 @@ 
         'multiple'          => false,
         'selected'          => 0,
         'number'            => 100,
-        'placeholder'       => __( 'Choose a item', 'invoicing' ),
-        'data'              => array( 'search-type' => 'item' ),
+        'placeholder'       => __('Choose a item', 'invoicing'),
+        'data'              => array('search-type' => 'item'),
         'show_option_all'   => false,
         'show_option_none'  => false,
         'show_recurring'    => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $item_args = array(
         'post_type'      => 'wpi_item',
@@ -494,44 +494,44 @@ 
         'posts_per_page' => $args['number']
     );
 
-    $item_args  = apply_filters( 'wpinv_item_dropdown_query_args', $item_args, $args, $defaults );
+    $item_args  = apply_filters('wpinv_item_dropdown_query_args', $item_args, $args, $defaults);
 
-    $items      = get_posts( $item_args );
+    $items      = get_posts($item_args);
     $options    = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $title = esc_html( $item->post_title );
+    if ($items) {
+        foreach ($items as $item) {
+            $title = esc_html($item->post_title);
             
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $item->ID, false );
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($item->ID, false);
             }
             
-            $options[ absint( $item->ID ) ] = $title;
+            $options[absint($item->ID)] = $title;
         }
     }
 
     // This ensures that any selected items are included in the drop down
-    if( is_array( $args['selected'] ) ) {
-        foreach( $args['selected'] as $item ) {
-            if( ! in_array( $item, $options ) ) {
-                $title = get_the_title( $item );
-                if ( !empty( $args['show_recurring'] ) ) {
-                    $title .= wpinv_get_item_suffix( $item, false );
+    if (is_array($args['selected'])) {
+        foreach ($args['selected'] as $item) {
+            if (!in_array($item, $options)) {
+                $title = get_the_title($item);
+                if (!empty($args['show_recurring'])) {
+                    $title .= wpinv_get_item_suffix($item, false);
                 }
                 $options[$item] = $title;
             }
         }
-    } elseif ( is_numeric( $args['selected'] ) && $args['selected'] !== 0 ) {
-        if ( ! in_array( $args['selected'], $options ) ) {
-            $title = get_the_title( $args['selected'] );
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $args['selected'], false );
+    } elseif (is_numeric($args['selected']) && $args['selected'] !== 0) {
+        if (!in_array($args['selected'], $options)) {
+            $title = get_the_title($args['selected']);
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($args['selected'], false);
             }
-            $options[$args['selected']] = get_the_title( $args['selected'] );
+            $options[$args['selected']] = get_the_title($args['selected']);
         }
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $args['name'],
         'selected'         => $args['selected'],
         'id'               => $args['id'],
@@ -542,7 +542,7 @@ 
         'show_option_all'  => $args['show_option_all'],
         'show_option_none' => $args['show_option_none'],
         'data'             => $args['data'],
-    ) );
+    ));
 
     return $output;
 }
@@ -562,16 +562,16 @@ 
     );
 
     $options = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $options[ $item->ID ] = esc_html( $item->post_title ) . wpinv_get_item_suffix( $item->ID, false );
+    if ($items) {
+        foreach ($items as $item) {
+            $options[$item->ID] = esc_html($item->post_title) . wpinv_get_item_suffix($item->ID, false);
         }
     }
 
     return $options;
 }
 
-function wpinv_html_checkbox( $args = array() ) {
+function wpinv_html_checkbox($args = array()) {
     $defaults = array(
         'name'     => null,
         'current'  => null,
@@ -582,17 +582,17 @@ 
         )
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if ( ! empty( $args['options']['disabled'] ) ) {
+    if (!empty($args['options']['disabled'])) {
         $options .= ' disabled="disabled"';
-    } elseif ( ! empty( $args['options']['readonly'] ) ) {
+    } elseif (!empty($args['options']['readonly'])) {
         $options .= ' readonly';
     }
 
-    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['name'] ) . '" class="' . $class . ' ' . esc_attr( $args['name'] ) . '" ' . checked( 1, $args['current'], false ) . ' />';
+    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['name']) . '" class="' . $class . ' ' . esc_attr($args['name']) . '" ' . checked(1, $args['current'], false) . ' />';
 
     return $output;
 }
@@ -600,30 +600,30 @@ 
 /**
  * Displays a hidden field.
  */
-function getpaid_hidden_field( $name, $value ) {
-    $name  = sanitize_text_field( $name );
-    $value = esc_attr( $value );
+function getpaid_hidden_field($name, $value) {
+    $name  = sanitize_text_field($name);
+    $value = esc_attr($value);
 
     echo "<input type='hidden' name='$name' value='$value' />";
 }
 
-function wpinv_html_text( $args = array() ) {
+function wpinv_html_text($args = array()) {
     // Backwards compatibility
-    if ( func_num_args() > 1 ) {
+    if (func_num_args() > 1) {
         $args = func_get_args();
 
         $name  = $args[0];
-        $value = isset( $args[1] ) ? $args[1] : '';
-        $label = isset( $args[2] ) ? $args[2] : '';
-        $desc  = isset( $args[3] ) ? $args[3] : '';
+        $value = isset($args[1]) ? $args[1] : '';
+        $label = isset($args[2]) ? $args[2] : '';
+        $desc  = isset($args[3]) ? $args[3] : '';
     }
 
     $defaults = array(
         'id'           => '',
-        'name'         => isset( $name )  ? $name  : 'text',
-        'value'        => isset( $value ) ? $value : null,
-        'label'        => isset( $label ) ? $label : null,
-        'desc'         => isset( $desc )  ? $desc  : null,
+        'name'         => isset($name) ? $name : 'text',
+        'value'        => isset($value) ? $value : null,
+        'label'        => isset($label) ? $label : null,
+        'desc'         => isset($desc) ? $desc : null,
         'placeholder'  => '',
         'class'        => 'regular-text',
         'disabled'     => false,
@@ -633,51 +633,51 @@ 
         'data'         => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if( $args['required'] ) {
+    if ($args['required']) {
         $options .= ' required="required"';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
 
     $data = '';
-    if ( !empty( $args['data'] ) ) {
-        foreach ( $args['data'] as $key => $value ) {
-            $data .= 'data-' . wpinv_sanitize_key( $key ) . '="' . esc_attr( $value ) . '" ';
+    if (!empty($args['data'])) {
+        foreach ($args['data'] as $key => $value) {
+            $data .= 'data-' . wpinv_sanitize_key($key) . '="' . esc_attr($value) . '" ';
         }
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['id'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['id']) . '">' . esc_html($args['label']) . '</label>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
 
-    $output .= '<input type="text" name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] )  . '" autocomplete="' . esc_attr( $args['autocomplete'] )  . '" value="' . esc_attr( $args['value'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" class="' . $class . '" ' . $data . ' ' . trim( $options ) . '/>';
+    $output .= '<input type="text" name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" autocomplete="' . esc_attr($args['autocomplete']) . '" value="' . esc_attr($args['value']) . '" placeholder="' . esc_attr($args['placeholder']) . '" class="' . $class . '" ' . $data . ' ' . trim($options) . '/>';
 
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_date_field( $args = array() ) {
-    if( empty( $args['class'] ) ) {
+function wpinv_html_date_field($args = array()) {
+    if (empty($args['class'])) {
         $args['class'] = 'wpiDatepicker';
-    } elseif( ! strpos( $args['class'], 'wpiDatepicker' ) ) {
+    } elseif (!strpos($args['class'], 'wpiDatepicker')) {
         $args['class'] .= ' wpiDatepicker';
     }
 
-    return wpinv_html_text( $args );
+    return wpinv_html_text($args);
 }
 
-function wpinv_html_textarea( $args = array() ) {
+function wpinv_html_textarea($args = array()) {
     $defaults = array(
         'name'        => 'textarea',
         'value'       => null,
@@ -688,31 +688,31 @@ 
         'placeholder' => '',
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $disabled = '';
-    if( $args['disabled'] ) {
+    if ($args['disabled']) {
         $disabled = ' disabled="disabled"';
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['name'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    $output .= '<textarea name="' . esc_attr( $args['name'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" id="' . wpinv_sanitize_key( $args['name'] ) . '" class="' . $class . '"' . $disabled . '>' . esc_attr( $args['value'] ) . '</textarea>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['name']) . '">' . esc_html($args['label']) . '</label>';
+    $output .= '<textarea name="' . esc_attr($args['name']) . '" placeholder="' . esc_attr($args['placeholder']) . '" id="' . wpinv_sanitize_key($args['name']) . '" class="' . $class . '"' . $disabled . '>' . esc_attr($args['value']) . '</textarea>';
 
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_ajax_user_search( $args = array() ) {
+function wpinv_html_ajax_user_search($args = array()) {
     $defaults = array(
         'name'        => 'user_id',
         'value'       => null,
-        'placeholder' => __( 'Enter username', 'invoicing' ),
+        'placeholder' => __('Enter username', 'invoicing'),
         'label'       => null,
         'desc'        => null,
         'class'       => '',
@@ -721,13 +721,13 @@ 
         'data'        => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $args['class'] = 'wpinv-ajax-user-search ' . $args['class'];
 
     $output  = '<span class="wpinv_user_search_wrap">';
-        $output .= wpinv_html_text( $args );
-        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __( 'Cancel', 'invoicing' ) . '" aria-label="' . __( 'Cancel', 'invoicing' ) . '" href="#">x</a><span></span></span>';
+        $output .= wpinv_html_text($args);
+        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __('Cancel', 'invoicing') . '" aria-label="' . __('Cancel', 'invoicing') . '" href="#">x</a><span></span></span>';
     $output .= '</span>';
 
     return $output;
@@ -743,20 +743,20 @@ 
  * 
  * @param string $template the template that is currently being used.
  */
-function wpinv_template( $template ) {
+function wpinv_template($template) {
     global $post;
 
-    if ( ! is_admin() && ( is_single() || is_404() ) && ! empty( $post->ID ) && getpaid_is_invoice_post_type( get_post_type( $post->ID ) ) ) {
+    if (!is_admin() && (is_single() || is_404()) && !empty($post->ID) && getpaid_is_invoice_post_type(get_post_type($post->ID))) {
 
         // If the user can view this invoice, display it.
-        if ( wpinv_user_can_view_invoice( $post->ID ) ) {
+        if (wpinv_user_can_view_invoice($post->ID)) {
 
-            return wpinv_get_template_part( 'wpinv-invoice-print', false, false );
+            return wpinv_get_template_part('wpinv-invoice-print', false, false);
 
         // Else display an error message.
         } else {
 
-            return wpinv_get_template_part( 'wpinv-invalid-access', false, false );
+            return wpinv_get_template_part('wpinv-invalid-access', false, false);
 
         }
 
@@ -764,46 +764,46 @@ 
 
     return $template;
 }
-add_filter( 'template_include', 'wpinv_template', 10, 1 );
+add_filter('template_include', 'wpinv_template', 10, 1);
 
 function wpinv_get_business_address() {
     $business_address   = wpinv_store_address();
-    $business_address   = !empty( $business_address ) ? wpautop( wp_kses_post( $business_address ) ) : '';
+    $business_address   = !empty($business_address) ? wpautop(wp_kses_post($business_address)) : '';
     
     $business_address = $business_address ? '<div class="address">' . $business_address . '</div>' : '';
     
-    return apply_filters( 'wpinv_get_business_address', $business_address );
+    return apply_filters('wpinv_get_business_address', $business_address);
 }
 
 /**
  * Displays the company address.
  */
 function wpinv_display_from_address() {
-    wpinv_get_template( 'invoice/company-address.php' );
+    wpinv_get_template('invoice/company-address.php');
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_from_address', 10 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_from_address', 10);
 
-function wpinv_watermark( $id = 0 ) {
-    $output = wpinv_get_watermark( $id );
-    return apply_filters( 'wpinv_get_watermark', $output, $id );
+function wpinv_watermark($id = 0) {
+    $output = wpinv_get_watermark($id);
+    return apply_filters('wpinv_get_watermark', $output, $id);
 }
 
-function wpinv_get_watermark( $id ) {
-    if ( !$id > 0 ) {
+function wpinv_get_watermark($id) {
+    if (!$id > 0) {
         return NULL;
     }
 
-    $invoice = wpinv_get_invoice( $id );
+    $invoice = wpinv_get_invoice($id);
     
-    if ( !empty( $invoice ) && "wpi_invoice" === $invoice->post_type ) {
-        if ( $invoice->is_paid() ) {
-            return __( 'Paid', 'invoicing' );
+    if (!empty($invoice) && "wpi_invoice" === $invoice->post_type) {
+        if ($invoice->is_paid()) {
+            return __('Paid', 'invoicing');
         }
-        if ( $invoice->is_refunded() ) {
-            return __( 'Refunded', 'invoicing' );
+        if ($invoice->is_refunded()) {
+            return __('Refunded', 'invoicing');
         }
-        if ( $invoice->has_status( array( 'wpi-cancelled' ) ) ) {
-            return __( 'Cancelled', 'invoicing' );
+        if ($invoice->has_status(array('wpi-cancelled'))) {
+            return __('Cancelled', 'invoicing');
         }
     }
     
@@ -813,140 +813,140 @@ 
 /**
  * @deprecated
  */
-function wpinv_display_invoice_details( $invoice ) {
-    return getpaid_invoice_meta( $invoice );
+function wpinv_display_invoice_details($invoice) {
+    return getpaid_invoice_meta($invoice);
 }
 
 /**
  * Displays invoice meta.
  */
-function getpaid_invoice_meta( $invoice ) {
+function getpaid_invoice_meta($invoice) {
 
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Ensure that we have an invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Load the invoice meta.
-    $meta    = array(
+    $meta = array(
 
         'number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Number', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => sanitize_text_field( $invoice->get_number() ),
+            'value' => sanitize_text_field($invoice->get_number()),
         ),
 
         'status' => array(
             'label' => sprintf(
-                __( '%s Status', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Status', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
             'value' => $invoice->get_status_label_html(),
         ),
 
         'date' => array(
             'label' => sprintf(
-                __( '%s Date', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Date', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => getpaid_format_date( $invoice->get_created_date() ),
+            'value' => getpaid_format_date($invoice->get_created_date()),
         ),
 
         'date_paid' => array(
-            'label' => __( 'Paid On', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_completed_date() ),
+            'label' => __('Paid On', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_completed_date()),
         ),
 
         'gateway'   => array(
-            'label' => __( 'Payment Method', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_gateway_title() ),
+            'label' => __('Payment Method', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_gateway_title()),
         ),
 
         'transaction_id' => array(
-            'label' => __( 'Transaction ID', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_transaction_id() ),
+            'label' => __('Transaction ID', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_transaction_id()),
         ),
 
         'due_date'  => array(
-            'label' => __( 'Due Date', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_due_date() ),
+            'label' => __('Due Date', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_due_date()),
         ),
 
         'vat_number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
+                __('%s Number', 'invoicing'),
                 getpaid_tax()->get_vat_name()
             ),
-            'value' => sanitize_text_field( $invoice->get_vat_number() ),
+            'value' => sanitize_text_field($invoice->get_vat_number()),
         ),
 
     );
 
     // If it is not paid, remove the date of payment.
-    if ( ! $invoice->is_paid() ) {
-        unset( $meta[ 'date_paid' ] );
-        unset( $meta[ 'transaction_id' ] );
+    if (!$invoice->is_paid()) {
+        unset($meta['date_paid']);
+        unset($meta['transaction_id']);
     }
 
-    if ( ! $invoice->is_paid() || 'none' == $invoice->get_gateway() ) {
-        unset( $meta[ 'gateway' ] );
+    if (!$invoice->is_paid() || 'none' == $invoice->get_gateway()) {
+        unset($meta['gateway']);
     }
 
     // Only display the due date if due dates are enabled.
-    if ( ! $invoice->needs_payment() || ! wpinv_get_option( 'overdue_active' ) ) {
-        unset( $meta[ 'due_date' ] );
+    if (!$invoice->needs_payment() || !wpinv_get_option('overdue_active')) {
+        unset($meta['due_date']);
     }
 
     // Only display the vat number if taxes are enabled.
-    if ( ! wpinv_use_taxes() ) {
-        unset( $meta[ 'vat_number' ] );
+    if (!wpinv_use_taxes()) {
+        unset($meta['vat_number']);
     }
 
-    if ( $invoice->is_recurring() ) {
+    if ($invoice->is_recurring()) {
 
         // Link to the parent invoice.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
 
-            $meta[ 'parent' ] = array(
+            $meta['parent'] = array(
 
                 'label' => sprintf(
-                    __( 'Parent %s', 'invoicing' ),
-                    ucfirst( $invoice->get_type() )
+                    __('Parent %s', 'invoicing'),
+                    ucfirst($invoice->get_type())
                 ),
 
-                'value' => wpinv_invoice_link( $invoice->get_parent_id() ),
+                'value' => wpinv_invoice_link($invoice->get_parent_id()),
 
             );
 
         }
 
-        $subscription = wpinv_get_subscription( $invoice );
+        $subscription = wpinv_get_subscription($invoice);
 
-        if ( ! empty ( $subscription ) ) {
+        if (!empty ($subscription)) {
 
             // Display the renewal date.
-            if ( $subscription->is_active() && 'cancelled' != $subscription->status ) {
+            if ($subscription->is_active() && 'cancelled' != $subscription->status) {
 
-                $meta[ 'renewal_date' ] = array(
+                $meta['renewal_date'] = array(
 
-                    'label' => __( 'Renews On', 'invoicing' ),
-                    'value' => getpaid_format_date( $subscription->expiration ),
+                    'label' => __('Renews On', 'invoicing'),
+                    'value' => getpaid_format_date($subscription->expiration),
         
                 );
 
             }
 
-            if ( $invoice->is_parent() ) {
+            if ($invoice->is_parent()) {
 
                 // Display the recurring amount.
-                $meta[ 'recurring_total' ] = array(
+                $meta['recurring_total'] = array(
 
-                    'label' => __( 'Recurring Amount', 'invoicing' ),
-                    'value' => wpinv_price( wpinv_format_amount( $subscription->recurring_amount ), $invoice->get_currency() ),
+                    'label' => __('Recurring Amount', 'invoicing'),
+                    'value' => wpinv_price(wpinv_format_amount($subscription->recurring_amount), $invoice->get_currency()),
         
                 );
 
@@ -956,20 +956,20 @@ 
     }
 
     // Add the invoice total to the meta.
-    $meta[ 'invoice_total' ] = array(
+    $meta['invoice_total'] = array(
 
-        'label' => __( 'Total Amount', 'invoicing' ),
-        'value' => wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() ),
+        'label' => __('Total Amount', 'invoicing'),
+        'value' => wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency()),
 
     );
 
     // Provide a way for third party plugins to filter the meta.
-    $meta = apply_filters( 'getpaid_invoice_meta_data', $meta, $invoice );
+    $meta = apply_filters('getpaid_invoice_meta_data', $meta, $invoice);
 
-    wpinv_get_template( 'invoice/invoice-meta.php', compact( 'invoice', 'meta' ) );
+    wpinv_get_template('invoice/invoice-meta.php', compact('invoice', 'meta'));
 
 }
-add_action( 'getpaid_invoice_details_right', 'getpaid_invoice_meta', 10 );
+add_action('getpaid_invoice_details_right', 'getpaid_invoice_meta', 10);
 
 /**
  * Retrieves the address markup to use on Invoices.
@@ -981,29 +981,29 @@ 
  * @param  string $separator How to separate address lines.
  * @return string
  */
-function wpinv_get_invoice_address_markup( $billing_details, $separator = '<br/>' ) {
+function wpinv_get_invoice_address_markup($billing_details, $separator = '<br/>') {
 
     // Retrieve the address markup...
-    $country= empty( $billing_details['country'] ) ? '' : $billing_details['country'];
-    $format = wpinv_get_full_address_format( $country );
+    $country = empty($billing_details['country']) ? '' : $billing_details['country'];
+    $format = wpinv_get_full_address_format($country);
 
     // ... and the replacements.
-    $replacements = wpinv_get_invoice_address_replacements( $billing_details );
+    $replacements = wpinv_get_invoice_address_replacements($billing_details);
 
-    $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
+    $formatted_address = str_ireplace(array_keys($replacements), $replacements, $format);
     
 	// Remove unavailable tags.
-    $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
+    $formatted_address = preg_replace("/\{\{\w+\}\}/", '', $formatted_address);
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
-    $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
+	$formatted_address = preg_replace('/  +/', ' ', trim($formatted_address));
+    $formatted_address = preg_replace('/\n\n+/', "\n", $formatted_address);
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+	$formatted_address = array_filter(array_map('wpinv_trim_formatted_address_line', explode("\n", $formatted_address)));
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+	$formatted_address = implode($separator, $formatted_address);
 
 	// We're done!
 	return $formatted_address;
@@ -1015,88 +1015,88 @@ 
  * 
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_to_address( $invoice = 0 ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/billing-address.php', compact( 'invoice' ) );
+function wpinv_display_to_address($invoice = 0) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/billing-address.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_to_address', 40 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_to_address', 40);
 
 
 /**
  * Displays invoice line items.
  */
-function wpinv_display_line_items( $invoice_id = 0 ) {
+function wpinv_display_line_items($invoice_id = 0) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Line item columns.
-    $columns = getpaid_invoice_item_columns( $invoice );
-    $columns = apply_filters( 'getpaid_invoice_line_items_table_columns', $columns, $invoice );
+    $columns = getpaid_invoice_item_columns($invoice);
+    $columns = apply_filters('getpaid_invoice_line_items_table_columns', $columns, $invoice);
 
-    wpinv_get_template( 'invoice/line-items.php', compact( 'invoice', 'columns' ) );
+    wpinv_get_template('invoice/line-items.php', compact('invoice', 'columns'));
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_line_items', 10 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_line_items', 10);
 
 /**
  * Displays invoice notices on invoices.
  */
 function wpinv_display_invoice_notice() {
 
-    $label  = wpinv_get_option( 'vat_invoice_notice_label' );
-    $notice = wpinv_get_option( 'vat_invoice_notice' );
+    $label  = wpinv_get_option('vat_invoice_notice_label');
+    $notice = wpinv_get_option('vat_invoice_notice');
 
-    if ( empty( $label ) && empty( $notice ) ) {
+    if (empty($label) && empty($notice)) {
         return;
     }
 
     echo '<div class="mt-4 mb-4 wpinv-vat-notice">';
 
-    if ( ! empty( $label ) ) {
-        $label = sanitize_text_field( $label );
+    if (!empty($label)) {
+        $label = sanitize_text_field($label);
         echo "<h5>$label</h5>";
     }
 
-    if ( ! empty( $notice ) ) {
-        echo '<small class="form-text text-muted">' . wpautop( wptexturize( $notice ) ) . '</small>';
+    if (!empty($notice)) {
+        echo '<small class="form-text text-muted">' . wpautop(wptexturize($notice)) . '</small>';
     }
 
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100);
 
 /**
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_invoice_notes( $invoice ) {
+function wpinv_display_invoice_notes($invoice) {
 
     // Retrieve the notes.
-    $notes = wpinv_get_invoice_notes( $invoice->get_id(), 'customer' );
+    $notes = wpinv_get_invoice_notes($invoice->get_id(), 'customer');
 
     // Abort if we have non.
-    if ( empty( $notes ) ) {
+    if (empty($notes)) {
         return;
     }
 
     // Echo the note.
     echo '<div class="getpaid-invoice-notes-wrapper border position-relative w-100 mb-4 p-0">';
-    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __( 'Notes', 'invoicing' ) .'</h3>';
+    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __('Notes', 'invoicing') . '</h3>';
     echo '<ul class="getpaid-invoice-notes mt-4 p-0">';
 
-    foreach( $notes as $note ) {
-        wpinv_get_invoice_note_line_item( $note );
+    foreach ($notes as $note) {
+        wpinv_get_invoice_note_line_item($note);
     }
 
     echo '</ul>';
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60);
 
 /**
  * Loads scripts on our invoice templates.
@@ -1104,32 +1104,32 @@ 
 function wpinv_display_style() {
 
     // Make sure that all scripts have been loaded.
-    if ( ! did_action( 'wp_enqueue_scripts' ) ) {
-        do_action( 'wp_enqueue_scripts' );
+    if (!did_action('wp_enqueue_scripts')) {
+        do_action('wp_enqueue_scripts');
     }
 
     // Register the invoices style.
-    wp_register_style( 'wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice.css' ) );
+    wp_register_style('wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice.css'));
 
     // Load required styles
-    wp_print_styles( 'open-sans' );
-    wp_print_styles( 'wpinv-single-style' );
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('open-sans');
+    wp_print_styles('wpinv-single-style');
+    wp_print_styles('ayecode-ui');
 
     // Maybe load custom css.
-    $custom_css = wpinv_get_option( 'template_custom_css' );
+    $custom_css = wpinv_get_option('template_custom_css');
 
-    if ( isset( $custom_css ) && ! empty( $custom_css ) ) {
-        $custom_css     = wp_kses( $custom_css, array( '\'', '\"' ) );
-        $custom_css     = str_replace( '&gt;', '>', $custom_css );
+    if (isset($custom_css) && !empty($custom_css)) {
+        $custom_css     = wp_kses($custom_css, array('\'', '\"'));
+        $custom_css     = str_replace('&gt;', '>', $custom_css);
         echo '<style type="text/css">';
         echo $custom_css;
         echo '</style>';
     }
 
 }
-add_action( 'wpinv_invoice_print_head', 'wpinv_display_style' );
-add_action( 'wpinv_invalid_invoice_head', 'wpinv_display_style' );
+add_action('wpinv_invoice_print_head', 'wpinv_display_style');
+add_action('wpinv_invalid_invoice_head', 'wpinv_display_style');
 
 
 /**
@@ -1141,41 +1141,41 @@ 
     // Retrieve the current invoice.
     $invoice_id = getpaid_get_current_invoice_id();
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Invalid invoice', 'invoicing' ),
+                'content' => __('Invalid invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_user_can_view_invoice( $invoice_id ) ) {
+    if (!wpinv_user_can_view_invoice($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this invoice', 'invoicing' ),
+                'content' => __('You are not allowed to view this invoice', 'invoicing'),
             )
         );
 
     }
 
     // Ensure that it is not yet paid for.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Maybe mark it as viewed.
-    getpaid_maybe_mark_invoice_as_viewed( $invoice );
+    getpaid_maybe_mark_invoice_as_viewed($invoice);
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 
         return aui()->alert(
             array(
                 'type'    => 'success',
-                'content' => __( 'This invoice has already been paid.', 'invoicing' ),
+                'content' => __('This invoice has already been paid.', 'invoicing'),
             )
         );
 
@@ -1185,14 +1185,14 @@ 
     $wpi_checkout_id = $invoice_id;
 
     // We'll display this invoice via the default form.
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
 
-    if ( 0 == $form->get_id() ) {
+    if (0 == $form->get_id()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Error loading the payment form', 'invoicing' ),
+                'content' => __('Error loading the payment form', 'invoicing'),
             )
         );
 
@@ -1200,7 +1200,7 @@ 
 
     // Set the invoice.
     $form->invoice = $invoice;
-    $form->set_items( $invoice->get_items() );
+    $form->set_items($invoice->get_items());
 
     // Generate the html.
     return $form->get_html();
@@ -1208,7 +1208,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+	return apply_filters('wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __('Your cart is empty.', 'invoicing') . '</span>');
 }
 
 /**
@@ -1225,38 +1225,38 @@ 
         )
     );
 }
-add_action( 'wpinv_cart_empty', 'wpinv_empty_checkout_cart' );
+add_action('wpinv_cart_empty', 'wpinv_empty_checkout_cart');
 
-function wpinv_receipt_billing_address( $invoice_id = 0 ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_receipt_billing_address($invoice_id = 0) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
     $billing_details = $invoice->get_user_info();
-    $address_row = wpinv_get_invoice_address_markup( $billing_details );
+    $address_row = wpinv_get_invoice_address_markup($billing_details);
 
     ob_start();
     ?>
     <table class="table table-bordered table-sm wpi-billing-details">
         <tbody>
             <tr class="wpi-receipt-name">
-                <th class="text-left"><?php _e( 'Name', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( trim( $billing_details['first_name'] . ' ' . $billing_details['last_name'] ) ) ;?></td>
+                <th class="text-left"><?php _e('Name', 'invoicing'); ?></th>
+                <td><?php echo esc_html(trim($billing_details['first_name'] . ' ' . $billing_details['last_name'])); ?></td>
             </tr>
             <tr class="wpi-receipt-email">
-                <th class="text-left"><?php _e( 'Email', 'invoicing' ); ?></th>
-                <td><?php echo $billing_details['email'] ;?></td>
+                <th class="text-left"><?php _e('Email', 'invoicing'); ?></th>
+                <td><?php echo $billing_details['email']; ?></td>
             </tr>
             <tr class="wpi-receipt-address">
-                <th class="text-left"><?php _e( 'Address', 'invoicing' ); ?></th>
-                <td><?php echo $address_row ;?></td>
+                <th class="text-left"><?php _e('Address', 'invoicing'); ?></th>
+                <td><?php echo $address_row; ?></td>
             </tr>
-            <?php if ( $billing_details['phone'] ) { ?>
+            <?php if ($billing_details['phone']) { ?>
             <tr class="wpi-receipt-phone">
-                <th class="text-left"><?php _e( 'Phone', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $billing_details['phone'] ) ;?></td>
+                <th class="text-left"><?php _e('Phone', 'invoicing'); ?></th>
+                <td><?php echo esc_html($billing_details['phone']); ?></td>
             </tr>
             <?php } ?>
         </tbody>
@@ -1264,7 +1264,7 @@ 
     <?php
     $output = ob_get_clean();
     
-    $output = apply_filters( 'wpinv_receipt_billing_address', $output, $invoice_id );
+    $output = apply_filters('wpinv_receipt_billing_address', $output, $invoice_id);
 
     echo $output;
 }
@@ -1272,56 +1272,56 @@ 
 /**
  * Filters the receipt page.
  */
-function wpinv_filter_success_page_content( $content ) {
+function wpinv_filter_success_page_content($content) {
 
     // Ensure this is our page.
-    if ( isset( $_GET['payment-confirm'] ) && wpinv_is_success_page() ) {
+    if (isset($_GET['payment-confirm']) && wpinv_is_success_page()) {
 
-        $gateway = sanitize_text_field( $_GET['payment-confirm'] );
-        return apply_filters( "wpinv_payment_confirm_$gateway", $content );
+        $gateway = sanitize_text_field($_GET['payment-confirm']);
+        return apply_filters("wpinv_payment_confirm_$gateway", $content);
 
     }
 
     return $content;
 }
-add_filter( 'the_content', 'wpinv_filter_success_page_content', 99999 );
+add_filter('the_content', 'wpinv_filter_success_page_content', 99999);
 
-function wpinv_invoice_link( $invoice_id ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_invoice_link($invoice_id) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
-    $invoice_link = '<a href="' . esc_url( $invoice->get_view_url() ) . '">' . $invoice->get_number() . '</a>';
+    $invoice_link = '<a href="' . esc_url($invoice->get_view_url()) . '">' . $invoice->get_number() . '</a>';
 
-    return apply_filters( 'wpinv_get_invoice_link', $invoice_link, $invoice );
+    return apply_filters('wpinv_get_invoice_link', $invoice_link, $invoice);
 }
 
-function wpinv_invoice_subscription_details( $invoice ) {
-    if ( !empty( $invoice ) && $invoice->is_recurring() && ! wpinv_is_subscription_payment( $invoice ) ) {
-        $subscription = wpinv_get_subscription( $invoice, true );
+function wpinv_invoice_subscription_details($invoice) {
+    if (!empty($invoice) && $invoice->is_recurring() && !wpinv_is_subscription_payment($invoice)) {
+        $subscription = wpinv_get_subscription($invoice, true);
 
-        if ( empty( $subscription ) ) {
+        if (empty($subscription)) {
             return;
         }
 
         $frequency = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency($subscription->period, $subscription->frequency);
-        $billing = wpinv_price(wpinv_format_amount($subscription->recurring_amount), $invoice->get_currency() ) . ' / ' . $frequency;
-        $initial = wpinv_price(wpinv_format_amount($subscription->initial_amount), $invoice->get_currency() );
+        $billing = wpinv_price(wpinv_format_amount($subscription->recurring_amount), $invoice->get_currency()) . ' / ' . $frequency;
+        $initial = wpinv_price(wpinv_format_amount($subscription->initial_amount), $invoice->get_currency());
 
         $payments = $subscription->get_child_payments();
         ?>
         <div class="wpinv-subscriptions-details">
-            <h3 class="wpinv-subscriptions-t"><?php echo apply_filters( 'wpinv_subscription_details_title', __( 'Subscription Details', 'invoicing' ) ); ?></h3>
+            <h3 class="wpinv-subscriptions-t"><?php echo apply_filters('wpinv_subscription_details_title', __('Subscription Details', 'invoicing')); ?></h3>
             <table class="table">
                 <thead>
                     <tr>
-                        <th><?php _e( 'Billing Cycle', 'invoicing' ) ;?></th>
-                        <th><?php _e( 'Start Date', 'invoicing' ) ;?></th>
-                        <th><?php _e( 'Expiration Date', 'invoicing' ) ;?></th>
-                        <th class="text-center"><?php _e( 'Times Billed', 'invoicing' ) ;?></th>
-                        <th class="text-center"><?php _e( 'Status', 'invoicing' ) ;?></th>
+                        <th><?php _e('Billing Cycle', 'invoicing'); ?></th>
+                        <th><?php _e('Start Date', 'invoicing'); ?></th>
+                        <th><?php _e('Expiration Date', 'invoicing'); ?></th>
+                        <th class="text-center"><?php _e('Times Billed', 'invoicing'); ?></th>
+                        <th class="text-center"><?php _e('Status', 'invoicing'); ?></th>
                     </tr>
                 </thead>
                 <tbody>
@@ -1329,35 +1329,35 @@ 
                         <td><?php printf(_x('%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing'), $initial, $billing); ?></td>
                         <td><?php echo date_i18n(get_option('date_format'), strtotime($subscription->created, current_time('timestamp'))); ?></td>
                         <td><?php echo date_i18n(get_option('date_format'), strtotime($subscription->expiration, current_time('timestamp'))); ?></td>
-                        <td class="text-center"><?php echo $subscription->get_times_billed() . ' / ' . (($subscription->bill_times == 0) ? __( 'Until Cancelled', 'invoicing' ) : $subscription->bill_times); ?></td>
+                        <td class="text-center"><?php echo $subscription->get_times_billed() . ' / ' . (($subscription->bill_times == 0) ? __('Until Cancelled', 'invoicing') : $subscription->bill_times); ?></td>
                         <td class="text-center wpi-sub-status"><?php echo $subscription->get_status_label(); ?></td>
                     </tr>
                 </tbody>
             </table>
         </div>
-        <?php if ( !empty( $payments ) ) { ?>
+        <?php if (!empty($payments)) { ?>
         <div class="wpinv-renewal-payments">
-            <h3 class="wpinv-renewals-t"><?php echo apply_filters( 'wpinv_renewal_payments_title', __( 'Renewal Payments', 'invoicing' ) ); ?></h3>
+            <h3 class="wpinv-renewals-t"><?php echo apply_filters('wpinv_renewal_payments_title', __('Renewal Payments', 'invoicing')); ?></h3>
             <table class="table">
                 <thead>
                     <tr>
                         <th>#</th>
-                        <th><?php _e( 'Invoice', 'invoicing' ) ;?></th>
-                        <th><?php _e( 'Date', 'invoicing' ) ;?></th>
-                        <th class="text-right"><?php _e( 'Amount', 'invoicing' ) ;?></th>
+                        <th><?php _e('Invoice', 'invoicing'); ?></th>
+                        <th><?php _e('Date', 'invoicing'); ?></th>
+                        <th class="text-right"><?php _e('Amount', 'invoicing'); ?></th>
                     </tr>
                 </thead>
                 <tbody>
                     <?php
                         $i = 1;
-                        foreach ( $payments as $payment ) {
+                        foreach ($payments as $payment) {
                             $invoice_id = $payment->ID;
                     ?>
                     <tr>
-                        <th scope="row"><?php echo $i;?></th>
-                        <td><?php echo wpinv_invoice_link( $invoice_id ) ;?></td>
+                        <th scope="row"><?php echo $i; ?></th>
+                        <td><?php echo wpinv_invoice_link($invoice_id); ?></td>
                         <td><?php echo$invoice->get_date_created(); ?></td>
-                        <td class="text-right"><?php echo wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() ); ?></td>
+                        <td class="text-right"><?php echo wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency()); ?></td>
                     </tr>
                     <?php $i++; } ?>
                 </tbody>
@@ -1367,64 +1367,64 @@ 
         <?php
     }
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_invoice_subscription_details', 20 );
+add_action('getpaid_invoice_line_items', 'wpinv_invoice_subscription_details', 20);
 
-function wpinv_cart_total_label( $label, $invoice ) {
-    if ( empty( $invoice ) ) {
+function wpinv_cart_total_label($label, $invoice) {
+    if (empty($invoice)) {
         return $label;
     }
 
     $prefix_label = '';
-    if ( $invoice->is_parent() && $item_id = $invoice->get_recurring() ) {
-        $prefix_label   = '<span class="label label-primary label-recurring">' . __( 'Recurring Payment', 'invoicing' ) . '</span> ' . wpinv_subscription_payment_desc( $invoice );
-    } else if ( $invoice->is_renewal() ) {
-        $prefix_label   = '<span class="label label-primary label-renewal">' . __( 'Renewal Payment', 'invoicing' ) . '</span> ';        
+    if ($invoice->is_parent() && $item_id = $invoice->get_recurring()) {
+        $prefix_label   = '<span class="label label-primary label-recurring">' . __('Recurring Payment', 'invoicing') . '</span> ' . wpinv_subscription_payment_desc($invoice);
+    } else if ($invoice->is_renewal()) {
+        $prefix_label   = '<span class="label label-primary label-renewal">' . __('Renewal Payment', 'invoicing') . '</span> ';        
     }
 
-    if ( $prefix_label != '' ) {
-        $label  = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
+    if ($prefix_label != '') {
+        $label = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
     }
 
     return $label;
 }
-add_filter( 'wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
+add_filter('wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2);
 
-function wpinv_get_invoice_note_line_item( $note, $echo = true ) {
-    if ( empty( $note ) ) {
+function wpinv_get_invoice_note_line_item($note, $echo = true) {
+    if (empty($note)) {
         return NULL;
     }
 
-    if ( is_int( $note ) ) {
-        $note = get_comment( $note );
+    if (is_int($note)) {
+        $note = get_comment($note);
     }
 
-    if ( !( is_object( $note ) && is_a( $note, 'WP_Comment' ) ) ) {
+    if (!(is_object($note) && is_a($note, 'WP_Comment'))) {
         return NULL;
     }
 
-    $note_classes   = array( 'note' );
-    $note_classes[] = get_comment_meta( $note->comment_ID, '_wpi_customer_note', true ) ? 'customer-note' : '';
+    $note_classes   = array('note');
+    $note_classes[] = get_comment_meta($note->comment_ID, '_wpi_customer_note', true) ? 'customer-note' : '';
     $note_classes[] = $note->comment_author === 'System' ? 'system-note' : '';
-    $note_classes   = apply_filters( 'wpinv_invoice_note_class', array_filter( $note_classes ), $note );
-    $note_classes   = !empty( $note_classes ) ? implode( ' ', $note_classes ) : '';
+    $note_classes   = apply_filters('wpinv_invoice_note_class', array_filter($note_classes), $note);
+    $note_classes   = !empty($note_classes) ? implode(' ', $note_classes) : '';
 
     ob_start();
     ?>
-    <li rel="<?php echo absint( $note->comment_ID ) ; ?>" class="<?php echo esc_attr( $note_classes ); ?> mt-4 pl-3 pr-3">
+    <li rel="<?php echo absint($note->comment_ID); ?>" class="<?php echo esc_attr($note_classes); ?> mt-4 pl-3 pr-3">
         <div class="note_content bg-light border position-relative p-4">
 
-            <?php echo wpautop( wptexturize( wp_kses_post( $note->comment_content ) ) ); ?>
+            <?php echo wpautop(wptexturize(wp_kses_post($note->comment_content))); ?>
 
-            <?php if ( ! is_admin() ) : ?>
+            <?php if (!is_admin()) : ?>
                 <em class="meta position-absolute form-text">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            date_i18n( get_option( 'date_format' ), strtotime( $note->comment_date ) ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            date_i18n(get_option('date_format'), strtotime($note->comment_date)),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </em>
@@ -1432,12 +1432,12 @@ 
 
         </div>
 
-        <?php if ( is_admin() ) : ?>
+        <?php if (is_admin()) : ?>
 
             <p class="meta px-4 py-2">
-                <abbr class="exact-date" title="<?php echo esc_attr( $note->comment_date ); ?>"><?php printf( __( '%1$s - %2$s at %3$s', 'invoicing' ), $note->comment_author, date_i18n( get_option( 'date_format' ), strtotime( $note->comment_date ) ), date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) ) ); ?></abbr>&nbsp;&nbsp;
-                <?php if ( $note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing() ) { ?>
-                    <a href="#" class="delete_note"><?php _e( 'Delete note', 'invoicing' ); ?></a>
+                <abbr class="exact-date" title="<?php echo esc_attr($note->comment_date); ?>"><?php printf(__('%1$s - %2$s at %3$s', 'invoicing'), $note->comment_author, date_i18n(get_option('date_format'), strtotime($note->comment_date)), date_i18n(get_option('time_format'), strtotime($note->comment_date))); ?></abbr>&nbsp;&nbsp;
+                <?php if ($note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing()) { ?>
+                    <a href="#" class="delete_note"><?php _e('Delete note', 'invoicing'); ?></a>
                 <?php } ?>
             </p>
 
@@ -1446,9 +1446,9 @@ 
     </li>
     <?php
     $note_content = ob_get_clean();
-    $note_content = apply_filters( 'wpinv_get_invoice_note_line_item', $note_content, $note, $echo );
+    $note_content = apply_filters('wpinv_get_invoice_note_line_item', $note_content, $note, $echo);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $note_content;
     } else {
         return $note_content;
@@ -1458,36 +1458,36 @@ 
 function wpinv_invalid_invoice_content() {
     global $post;
 
-    $invoice = wpinv_get_invoice( $post->ID );
+    $invoice = wpinv_get_invoice($post->ID);
 
-    $error = __( 'This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing' );
-    if ( !empty( $invoice->get_id() ) && $invoice->has_status( array_keys( wpinv_get_invoice_statuses() ) ) ) {
-        if ( is_user_logged_in() ) {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You are not allowed to view this invoice.', 'invoicing' );
+    $error = __('This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing');
+    if (!empty($invoice->get_id()) && $invoice->has_status(array_keys(wpinv_get_invoice_statuses()))) {
+        if (is_user_logged_in()) {
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You are not allowed to view this invoice.', 'invoicing');
                 }
             }
         } else {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You must be logged in to view this invoice.', 'invoicing' );
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You must be logged in to view this invoice.', 'invoicing');
                 }
             }
         }
     } else {
-        $error = __( 'This invoice is deleted or does not exist.', 'invoicing' );
+        $error = __('This invoice is deleted or does not exist.', 'invoicing');
     }
     ?>
     <div class="row wpinv-row-invalid">
         <div class="col-md-6 col-md-offset-3 wpinv-message error">
-            <h3><?php _e( 'Access Denied', 'invoicing' ); ?></h3>
+            <h3><?php _e('Access Denied', 'invoicing'); ?></h3>
             <p class="wpinv-msg-text"><?php echo $error; ?></p>
         </div>
     </div>
     <?php
 }
-add_action( 'wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content' );
+add_action('wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content');
 
 /**
  * Function to get privacy policy text.
@@ -1496,21 +1496,21 @@ 
  * @return string
  */
 function wpinv_get_policy_text() {
-    $privacy_page_id = get_option( 'wp_page_for_privacy_policy', 0 );
+    $privacy_page_id = get_option('wp_page_for_privacy_policy', 0);
 
-    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf( __( 'Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing' ), '[wpinv_privacy_policy]' ));
+    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf(__('Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing'), '[wpinv_privacy_policy]'));
 
-    if(!$privacy_page_id){
-        $privacy_page_id = wpinv_get_option( 'privacy_page', 0 );
+    if (!$privacy_page_id) {
+        $privacy_page_id = wpinv_get_option('privacy_page', 0);
     }
 
-    $privacy_link    = $privacy_page_id ? '<a href="' . esc_url( get_permalink( $privacy_page_id ) ) . '" class="wpinv-privacy-policy-link" target="_blank">' . __( 'privacy policy', 'invoicing' ) . '</a>' : __( 'privacy policy', 'invoicing' );
+    $privacy_link = $privacy_page_id ? '<a href="' . esc_url(get_permalink($privacy_page_id)) . '" class="wpinv-privacy-policy-link" target="_blank">' . __('privacy policy', 'invoicing') . '</a>' : __('privacy policy', 'invoicing');
 
     $find_replace = array(
         '[wpinv_privacy_policy]' => $privacy_link,
     );
 
-    $privacy_text = str_replace( array_keys( $find_replace ), array_values( $find_replace ), $text );
+    $privacy_text = str_replace(array_keys($find_replace), array_values($find_replace), $text);
 
     return wp_kses_post(wpautop($privacy_text));
 }
@@ -1518,21 +1518,21 @@ 
 function wpinv_oxygen_fix_conflict() {
     global $ct_ignore_post_types;
 
-    if ( ! is_array( $ct_ignore_post_types ) ) {
+    if (!is_array($ct_ignore_post_types)) {
         $ct_ignore_post_types = array();
     }
 
-    $post_types = array( 'wpi_discount', 'wpi_invoice', 'wpi_item' );
+    $post_types = array('wpi_discount', 'wpi_invoice', 'wpi_item');
 
-    foreach ( $post_types as $post_type ) {
+    foreach ($post_types as $post_type) {
         $ct_ignore_post_types[] = $post_type;
 
         // Ignore post type
-        add_filter( 'pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999 );
+        add_filter('pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999);
     }
 
-    remove_filter( 'template_include', 'wpinv_template', 10, 1 );
-    add_filter( 'template_include', 'wpinv_template', 999, 1 );
+    remove_filter('template_include', 'wpinv_template', 10, 1);
+    add_filter('template_include', 'wpinv_template', 999, 1);
 }
 
 /**
@@ -1540,10 +1540,10 @@ 
  * 
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_display_payment_form( $form ) {
+function getpaid_display_payment_form($form) {
 
-    if ( is_numeric( $form ) ) {
-        $form = new GetPaid_Payment_Form( $form );
+    if (is_numeric($form)) {
+        $form = new GetPaid_Payment_Form($form);
     }
 
     $form->display();
@@ -1553,16 +1553,16 @@ 
 /**
  * Helper function to display a item payment form on the frontend.
  */
-function getpaid_display_item_payment_form( $items ) {
+function getpaid_display_item_payment_form($items) {
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $items );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($items);
 
-    if ( 0 == count( $form->get_items() ) ) {
+    if (0 == count($form->get_items())) {
         echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
+				'content' => __('No published items found', 'invoicing'),
 			)
         );
         return;
@@ -1574,75 +1574,75 @@ 
 /**
  * Helper function to display an invoice payment form on the frontend.
  */
-function getpaid_display_invoice_payment_form( $invoice_id ) {
+function getpaid_display_invoice_payment_form($invoice_id) {
     global $invoicing;
 
-    $invoice = wpinv_get_invoice( $invoice_id );
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
 		return aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
+				'content' => __('Invoice not found', 'invoicing'),
 			)
 		);
     }
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 		return aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
+				'content' => __('Invoice has already been paid', 'invoicing'),
 			)
 		);
     }
 
     // Get the form elements and items.
-    $form     = wpinv_get_default_payment_form();
-	$elements = $invoicing->form_elements->get_form_elements( $form );
-	$items    = $invoicing->form_elements->convert_checkout_items( $invoice->cart_details, $invoice );
+    $form = wpinv_get_default_payment_form();
+	$elements = $invoicing->form_elements->get_form_elements($form);
+	$items    = $invoicing->form_elements->convert_checkout_items($invoice->cart_details, $invoice);
 
 	ob_start();
 	echo "<form class='wpinv_payment_form'>";
-	do_action( 'wpinv_payment_form_top' );
+	do_action('wpinv_payment_form_top');
     echo "<input type='hidden' name='form_id' value='$form'/>";
     echo "<input type='hidden' name='invoice_id' value='$invoice_id'/>";
-	wp_nonce_field( 'wpinv_payment_form', 'wpinv_payment_form' );
-	wp_nonce_field( 'vat_validation', '_wpi_nonce' );
+	wp_nonce_field('wpinv_payment_form', 'wpinv_payment_form');
+	wp_nonce_field('vat_validation', '_wpi_nonce');
 
-	foreach ( $elements as $element ) {
-		do_action( 'wpinv_frontend_render_payment_form_element', $element, $items, $form );
-		do_action( "wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $form );
+	foreach ($elements as $element) {
+		do_action('wpinv_frontend_render_payment_form_element', $element, $items, $form);
+		do_action("wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $form);
 	}
 
 	echo "<div class='wpinv_payment_form_errors alert alert-danger d-none'></div>";
-	do_action( 'wpinv_payment_form_bottom' );
+	do_action('wpinv_payment_form_bottom');
 	echo '</form>';
 
 	$content = ob_get_clean();
-	return str_replace( 'sr-only', '', $content );
+	return str_replace('sr-only', '', $content);
 }
 
 /**
  * Helper function to convert item string to array.
  */
-function getpaid_convert_items_to_array( $items ) {
-    $items    = array_filter( array_map( 'trim', explode( ',', $items ) ) );
+function getpaid_convert_items_to_array($items) {
+    $items    = array_filter(array_map('trim', explode(',', $items)));
     $prepared = array();
 
-    foreach ( $items as $item ) {
-        $data = array_map( 'trim', explode( '|', $item ) );
+    foreach ($items as $item) {
+        $data = array_map('trim', explode('|', $item));
 
-        if ( empty( $data[0] ) || ! is_numeric( $data[0] ) ) {
+        if (empty($data[0]) || !is_numeric($data[0])) {
             continue;
         }
 
         $quantity = 1;
-        if ( isset( $data[1] ) && is_numeric( $data[1] ) ) {
+        if (isset($data[1]) && is_numeric($data[1])) {
             $quantity = (int) $data[1];
         }
 
-        $prepared[ $data[0] ] = $quantity;
+        $prepared[$data[0]] = $quantity;
 
     }
 
@@ -1652,13 +1652,13 @@ 
 /**
  * Helper function to convert item array to string.
  */
-function getpaid_convert_items_to_string( $items ) {
+function getpaid_convert_items_to_string($items) {
     $prepared = array();
 
-    foreach ( $items as $item => $quantity ) {
+    foreach ($items as $item => $quantity) {
         $prepared[] = "$item|$quantity";
     }
-    return implode( ',', $prepared );
+    return implode(',', $prepared);
 }
 
 /**
@@ -1666,22 +1666,22 @@ 
  * 
  * Provide a label and one of $form, $items or $invoice.
  */
-function getpaid_get_payment_button( $label, $form = null, $items = null, $invoice = null ) {
-    $label = sanitize_text_field( $label );
+function getpaid_get_payment_button($label, $form = null, $items = null, $invoice = null) {
+    $label = sanitize_text_field($label);
     $nonce = wp_create_nonce('getpaid_ajax_form');
 
-    if ( ! empty( $form ) ) {
-        $form  = esc_attr( $form );
+    if (!empty($form)) {
+        $form = esc_attr($form);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
-        $items  = esc_attr( $items );
+	if (!empty($items)) {
+        $items = esc_attr($items);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-item='$items'>$label</button>"; 
     }
     
-    if ( ! empty( $invoice ) ) {
-        $invoice  = esc_attr( $invoice );
+    if (!empty($invoice)) {
+        $invoice = esc_attr($invoice);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-invoice='$invoice'>$label</button>"; 
     }
 
@@ -1692,17 +1692,17 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_the_invoice_description( $invoice ) {
+function getpaid_the_invoice_description($invoice) {
     $description = $invoice->get_description();
 
-    if ( empty( $description ) ) {
+    if (empty($description)) {
         return;
     }
 
-    $description = wp_kses_post( $description );
+    $description = wp_kses_post($description);
     echo "<small class='getpaid-invoice-description text-dark p-2 form-text'><em>$description</em></small>";
 }
-add_action( 'getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100 );
+add_action('getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100);
 
 /**
  * Render element on a form.
@@ -1710,41 +1710,41 @@ 
  * @param array $element
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_payment_form_element( $element, $form ) {
+function getpaid_payment_form_element($element, $form) {
 
     // Set up the args.
-    $element_type    = trim( $element['type'] );
+    $element_type    = trim($element['type']);
     $element['form'] = $form;
-    extract( $element );
+    extract($element);
 
     // Try to locate the appropriate template.
-    $located = wpinv_locate_template( "payment-forms/elements/$element_type.php" );
+    $located = wpinv_locate_template("payment-forms/elements/$element_type.php");
     
     // Abort if this is not our element.
-    if ( empty( $located ) || ! file_exists( $located ) ) {
+    if (empty($located) || !file_exists($located)) {
         return;
     }
 
     // Generate the class and id of the element.
-    $wrapper_class = 'getpaid-payment-form-element-' . trim( esc_attr( $element_type ) );
-    $id            = isset( $id ) ? $id : uniqid( 'gp' );
+    $wrapper_class = 'getpaid-payment-form-element-' . trim(esc_attr($element_type));
+    $id            = isset($id) ? $id : uniqid('gp');
 
     // Echo the opening wrapper.
     echo "<div class='getpaid-payment-form-element $wrapper_class'>";
 
     // Fires before displaying a given element type's content.
-    do_action( "getpaid_before_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_before_payment_form_{$element_type}_element", $element, $form);
 
     // Include the template for the element.
     include $located;
 
     // Fires after displaying a given element type's content.
-    do_action( "getpaid_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_payment_form_{$element_type}_element", $element, $form);
 
     // Echo the closing wrapper.
     echo '</div>';
 }
-add_action( 'getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2 );
+add_action('getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2);
 
 /**
  * Shows a list of gateways that support recurring payments.
@@ -1752,17 +1752,17 @@ 
 function wpinv_get_recurring_gateways_text() {
     $gateways = array();
 
-    foreach ( wpinv_get_payment_gateways() as $key => $gateway ) {
-        if ( wpinv_gateway_support_subscription( $key ) ) {
-            $gateways[] = sanitize_text_field( $gateway['admin_label'] );
+    foreach (wpinv_get_payment_gateways() as $key => $gateway) {
+        if (wpinv_gateway_support_subscription($key)) {
+            $gateways[] = sanitize_text_field($gateway['admin_label']);
         }
     }
 
-    if ( empty( $gateways ) ) {
-        return "<span class='form-text text-danger'>" . __( 'No active gateways support subscription payments.', 'invoicing' ) ."</span>";
+    if (empty($gateways)) {
+        return "<span class='form-text text-danger'>" . __('No active gateways support subscription payments.', 'invoicing') . "</span>";
     }
 
-    return "<span class='form-text text-muted'>" . wp_sprintf( __( 'Subscription payments only supported by: %s', 'invoicing' ), implode( ', ', $gateways ) ) ."</span>";
+    return "<span class='form-text text-muted'>" . wp_sprintf(__('Subscription payments only supported by: %s', 'invoicing'), implode(', ', $gateways)) . "</span>";
 
 }
 
@@ -1772,5 +1772,5 @@ 
  * @return GetPaid_Template
  */
 function getpaid_template() {
-    return getpaid()->get( 'template' );
+    return getpaid()->get('template');
 }

includes/class-wpinv-subscriptions.php

Spacing +87 added lines, -87 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 /**
  * Main Subscriptions class.
  *
@@ -14,22 +14,22 @@ 
     /**
 	 * Class constructor.
 	 */
-    public function __construct(){
+    public function __construct() {
 
         // Fire gateway specific hooks when a subscription changes.
-        add_action( 'getpaid_subscription_status_changed', array( $this, 'process_subscription_status_change' ), 10, 3 );
+        add_action('getpaid_subscription_status_changed', array($this, 'process_subscription_status_change'), 10, 3);
 
         // Handles subscription cancelations.
-        add_action( 'getpaid_authenticated_action_subscription_cancel', array( $this, 'user_cancel_single_subscription' ) );
+        add_action('getpaid_authenticated_action_subscription_cancel', array($this, 'user_cancel_single_subscription'));
 
         // Create a subscription whenever an invoice is created, (and update it when it is updated).
-        add_action( 'getpaid_new_invoice', array( $this, 'maybe_create_invoice_subscription' ) );
-        add_action( 'getpaid_update_invoice', array( $this, 'maybe_update_invoice_subscription' ) );
+        add_action('getpaid_new_invoice', array($this, 'maybe_create_invoice_subscription'));
+        add_action('getpaid_update_invoice', array($this, 'maybe_update_invoice_subscription'));
 
         // Handles admin subscription update actions.
-        add_action( 'getpaid_authenticated_admin_action_update_single_subscription', array( $this, 'admin_update_single_subscription' ) );
-        add_action( 'getpaid_authenticated_admin_action_subscription_manual_renew', array( $this, 'admin_renew_single_subscription' ) );
-        add_action( 'getpaid_authenticated_admin_action_subscription_manual_delete', array( $this, 'admin_delete_single_subscription' ) );
+        add_action('getpaid_authenticated_admin_action_update_single_subscription', array($this, 'admin_update_single_subscription'));
+        add_action('getpaid_authenticated_admin_action_subscription_manual_renew', array($this, 'admin_renew_single_subscription'));
+        add_action('getpaid_authenticated_admin_action_subscription_manual_delete', array($this, 'admin_delete_single_subscription'));
     }
 
     /**
@@ -39,15 +39,15 @@ 
      * @param string $from
      * @param string $to
 	 */
-    public function process_subscription_status_change( $subscription, $from, $to ) {
+    public function process_subscription_status_change($subscription, $from, $to) {
 
         $gateway = $subscription->get_gateway();
 
-        if ( ! empty( $gateway ) ) {
-            $gateway = sanitize_key( $gateway );
-            $from    = sanitize_key( $from );
-            $to      = sanitize_key( $to );
-            do_action( "getpaid_{$gateway}subscription_$to", $subscription, $from );
+        if (!empty($gateway)) {
+            $gateway = sanitize_key($gateway);
+            $from    = sanitize_key($from);
+            $to      = sanitize_key($to);
+            do_action("getpaid_{$gateway}subscription_$to", $subscription, $from);
         }
 
     }
@@ -59,29 +59,29 @@ 
      * @param int $frequency_count The frequency of the period.
      * @return mixed|string|void
      */
-    public static function wpinv_get_pretty_subscription_frequency( $period, $frequency_count = 1) {
+    public static function wpinv_get_pretty_subscription_frequency($period, $frequency_count = 1) {
 
         $frequency = '';
         //Format period details
-        switch ( strtolower( $period ) ) {
+        switch (strtolower($period)) {
             case 'day' :
             case 'd' :
-                $frequency = sprintf( _n('%d Day', '%d Days', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Day', '%d Days', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'week' :
             case 'w' :
-                $frequency = sprintf( _n('%d Week', '%d Weeks', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Week', '%d Weeks', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'month' :
             case 'm' :
-                $frequency = sprintf( _n('%d Month', '%d Months', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Month', '%d Months', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'year' :
             case 'y' :
-                $frequency = sprintf( _n('%d Year', '%d Years', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Year', '%d Years', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             default :
-                $frequency = apply_filters( 'wpinv_recurring_subscription_frequency', $frequency, $period, $frequency_count );
+                $frequency = apply_filters('wpinv_recurring_subscription_frequency', $frequency, $period, $frequency_count);
                 break;
         }
 
@@ -96,29 +96,29 @@ 
      * @since       1.0.0
      * @return      void
      */
-    public function user_cancel_single_subscription( $data ) {
+    public function user_cancel_single_subscription($data) {
 
         // Ensure there is a subscription to cancel.
-        if ( empty( $data['sub_id'] ) ) {
+        if (empty($data['sub_id'])) {
             return;
         }
 
-        $subscription = new WPInv_Subscription( (int) $data['sub_id'] );
+        $subscription = new WPInv_Subscription((int) $data['sub_id']);
 
         // Ensure that it exists and that it belongs to the current user.
-        if ( ! $subscription->get_id() || $subscription->get_customer_id() != get_current_user_id() ) {
-            wpinv_set_error( 'invalid_subscription', __( 'You do not have permission to cancel this subscription', 'invoicing' ) );
+        if (!$subscription->get_id() || $subscription->get_customer_id() != get_current_user_id()) {
+            wpinv_set_error('invalid_subscription', __('You do not have permission to cancel this subscription', 'invoicing'));
 
         // Can it be cancelled.
-        } else if ( ! $subscription->can_cancel() ) {
-            wpinv_set_error( 'cannot_cancel', __( 'This subscription cannot be cancelled as it is not active.', 'invoicing' ) );
+        } else if (!$subscription->can_cancel()) {
+            wpinv_set_error('cannot_cancel', __('This subscription cannot be cancelled as it is not active.', 'invoicing'));
             
 
         // Cancel it.
         } else {
 
             $subscription->cancel();
-            wpinv_set_error( 'cancelled', __( 'This subscription is now cancelled.', 'invoicing' ), 'info' );
+            wpinv_set_error('cancelled', __('This subscription is now cancelled.', 'invoicing'), 'info');
         }
 
 
@@ -130,7 +130,7 @@ 
             )
         );
 
-        wp_safe_redirect( esc_url( $redirect ) );
+        wp_safe_redirect(esc_url($redirect));
         exit;
 
     }
@@ -142,15 +142,15 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.0
      */
-    public function maybe_create_invoice_subscription( $invoice ) {
+    public function maybe_create_invoice_subscription($invoice) {
 
         // Abort if it is not recurring.
-        if ( $invoice->is_free() || ! $invoice->is_recurring() || $invoice->is_renewal() ) {
+        if ($invoice->is_free() || !$invoice->is_recurring() || $invoice->is_renewal()) {
             return;
         }
 
         $subscription = new WPInv_Subscription();
-        return $this->update_invoice_subscription( $subscription, $invoice );
+        return $this->update_invoice_subscription($subscription, $invoice);
 
     }
 
@@ -161,33 +161,33 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.19
      */
-    public function maybe_update_invoice_subscription( $invoice ) {
+    public function maybe_update_invoice_subscription($invoice) {
 
         // Do not process renewals.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
             return;
         }
 
         // (Maybe) create a new subscription.
-        if ( ! $invoice->get_subscription_id() ) {
-            return $this->maybe_create_invoice_subscription( $invoice );
+        if (!$invoice->get_subscription_id()) {
+            return $this->maybe_create_invoice_subscription($invoice);
         }
 
-        $subscription = new WPInv_Subscription( $invoice->get_subscription_id() );
+        $subscription = new WPInv_Subscription($invoice->get_subscription_id());
 
         // In case the subscription was deleted...
-        if ( ! $subscription->get_id() ) {
+        if (!$subscription->get_id()) {
             $invoice->set_subscription_id(0);
             $invoice->save();
-            return $this->maybe_create_invoice_subscription( $invoice );
+            return $this->maybe_create_invoice_subscription($invoice);
         }
 
         // Abort if an invoice is paid and already has a subscription.
-        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+        if ($invoice->is_paid() || $invoice->is_refunded()) {
             return;
         }
 
-        return $this->update_invoice_subscription( $subscription, $invoice );
+        return $this->update_invoice_subscription($subscription, $invoice);
 
     }
 
@@ -199,53 +199,53 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.19
      */
-    public function update_invoice_subscription( $subscription, $invoice ) {
+    public function update_invoice_subscription($subscription, $invoice) {
 
         // Delete the subscription if an invoice is free.
-        if ( $invoice->is_free() || ! $invoice->is_recurring() ) {
+        if ($invoice->is_free() || !$invoice->is_recurring()) {
             return $subscription->delete();
         }
 
-        $subscription->set_customer_id( $invoice->get_customer_id() );
-        $subscription->set_parent_invoice_id( $invoice->get_id() );
-        $subscription->set_initial_amount( $invoice->get_initial_total() );
-        $subscription->set_recurring_amount( $invoice->get_recurring_total() );
-        $subscription->set_date_created( current_time( 'mysql' ) );
-        $subscription->set_status( $invoice->is_paid() ? 'active' : 'pending' );
+        $subscription->set_customer_id($invoice->get_customer_id());
+        $subscription->set_parent_invoice_id($invoice->get_id());
+        $subscription->set_initial_amount($invoice->get_initial_total());
+        $subscription->set_recurring_amount($invoice->get_recurring_total());
+        $subscription->set_date_created(current_time('mysql'));
+        $subscription->set_status($invoice->is_paid() ? 'active' : 'pending');
 
         // Get the recurring item and abort if it does not exist.
-        $subscription_item = $invoice->get_recurring( true );
-        if ( ! $subscription_item->get_id() ) {
+        $subscription_item = $invoice->get_recurring(true);
+        if (!$subscription_item->get_id()) {
             return $subscription->delete();
         }
 
-        $subscription->set_product_id( $subscription_item->get_id() );
-        $subscription->set_period( $subscription_item->get_recurring_period( true ) );
-        $subscription->set_frequency( $subscription_item->get_recurring_interval() );
-        $subscription->set_bill_times( $subscription_item->get_recurring_limit() );
+        $subscription->set_product_id($subscription_item->get_id());
+        $subscription->set_period($subscription_item->get_recurring_period(true));
+        $subscription->set_frequency($subscription_item->get_recurring_interval());
+        $subscription->set_bill_times($subscription_item->get_recurring_limit());
 
         // Calculate the next renewal date.
-        $period       = $subscription_item->get_recurring_period( true );
+        $period       = $subscription_item->get_recurring_period(true);
         $interval     = $subscription_item->get_recurring_interval();
 
         // If the subscription item has a trial period...
-        if ( $subscription_item->has_free_trial() ) {
-            $period   = $subscription_item->get_trial_period( true );
+        if ($subscription_item->has_free_trial()) {
+            $period   = $subscription_item->get_trial_period(true);
             $interval = $subscription_item->get_trial_interval();
-            $subscription->set_trial_period( $interval . ' ' . $period );
-            $subscription->set_status( 'trialling' );
+            $subscription->set_trial_period($interval . ' ' . $period);
+            $subscription->set_status('trialling');
         }
 
         // If initial amount is free, treat it as a free trial even if the subscription item does not have a free trial.
-        if ( $invoice->has_free_trial() ) {
-            $subscription->set_trial_period( $interval . ' ' . $period );
-            $subscription->set_status( 'trialling' );
+        if ($invoice->has_free_trial()) {
+            $subscription->set_trial_period($interval . ' ' . $period);
+            $subscription->set_status('trialling');
         }
 
         // Calculate the next renewal date.
-        $expiration = date( 'Y-m-d H:i:s', strtotime( "+ $interval $period", strtotime( $subscription->get_date_created() ) ) );
+        $expiration = date('Y-m-d H:i:s', strtotime("+ $interval $period", strtotime($subscription->get_date_created())));
 
-        $subscription->set_next_renewal_date( $expiration );
+        $subscription->set_next_renewal_date($expiration);
         return $subscription->save();
 
     }
@@ -256,21 +256,21 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_update_single_subscription( $args ) {
+    public function admin_update_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['subscription_id'] ) || empty( $args['subscription_status'] ) ) {
+        if (empty($args['subscription_id']) || empty($args['subscription_status'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['subscription_id'] );
+        $subscription = new WPInv_Subscription($args['subscription_id']);
 
-        if ( $subscription->get_id() ) {
+        if ($subscription->get_id()) {
 
-            $subscription->set_status( $args['subscription_status'] );
+            $subscription->set_status($args['subscription_status']);
             $subscription->save();
-            getpaid_admin()->show_info( __( 'Your changes have been saved', 'invoicing' ) );
+            getpaid_admin()->show_info(__('Your changes have been saved', 'invoicing'));
 
         }
 
@@ -282,25 +282,25 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_renew_single_subscription( $args ) {
+    public function admin_renew_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['id'] ) ) {
+        if (empty($args['id'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['id'] );
+        $subscription = new WPInv_Subscription($args['id']);
 
-        if ( $subscription->get_id() ) {
+        if ($subscription->get_id()) {
 
-            $args = array( 'transaction_id', $subscription->get_parent_invoice()->generate_key( 'renewal_' ) );
+            $args = array('transaction_id', $subscription->get_parent_invoice()->generate_key('renewal_'));
 
-            if ( $subscription->add_payment( $args ) ) {
+            if ($subscription->add_payment($args)) {
                 $subscription->renew();
-                getpaid_admin()->show_info( __( 'This subscription has been renewed and extended.', 'invoicing' ) );
+                getpaid_admin()->show_info(__('This subscription has been renewed and extended.', 'invoicing'));
             } else {
-                getpaid_admin()->show_error( __( 'We are unable to renew this subscription as the parent invoice does not exist.', 'invoicing' ) );
+                getpaid_admin()->show_error(__('We are unable to renew this subscription as the parent invoice does not exist.', 'invoicing'));
             }
     
             wp_safe_redirect(
@@ -323,20 +323,20 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_delete_single_subscription( $args ) {
+    public function admin_delete_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['id'] ) ) {
+        if (empty($args['id'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['id'] );
+        $subscription = new WPInv_Subscription($args['id']);
 
-        if ( $subscription->delete() ) {
-            getpaid_admin()->show_info( __( 'This subscription has been deleted.', 'invoicing' ) );
+        if ($subscription->delete()) {
+            getpaid_admin()->show_info(__('This subscription has been deleted.', 'invoicing'));
         } else {
-            getpaid_admin()->show_error( __( 'We are unable to delete this subscription. Please try again.', 'invoicing' ) );
+            getpaid_admin()->show_error(__('We are unable to delete this subscription. Please try again.', 'invoicing'));
         }
     
         wp_safe_redirect(

templates/wpinv-subscriptions-history.php

Spacing +13 added lines, -13 removed lines

@@ -13,7 +13,7 @@ 
 global $wpdb;
 
 $db = new WPInv_Subscriptions_DB;
-$page = isset($_GET['cpage']) ? abs((int)$_GET['cpage']) : 1;
+$page = isset($_GET['cpage']) ? abs((int) $_GET['cpage']) : 1;
 $items_per_page = get_option('posts_per_page');
 $offset = ($page * $items_per_page) - $items_per_page;
 $args = array('customer_id' => $user_id, 'offset' => $offset);
@@ -30,16 +30,16 @@ 
     <table class="table table-bordered table-hover table-responsive wpi-user-subscriptions">
         <thead>
         <tr>
-            <th class="sub-no"><span class="nobr"><?php _e( 'No.', 'invoicing' ); ?></span></th>
-            <th class="sub-amount"><span class="nobr"><?php _e( 'Initial Amount', 'invoicing' ); ?></span></th>
-            <th class="sub-cycle"><span class="nobr"><?php _e( 'Billing Cycle', 'invoicing' ); ?></span></th>
-            <th class="sub-billed"><span class="nobr"><?php _e( 'Times Billed', 'invoicing' ); ?></span></th>
-            <th class="sub-status"><span class="nobr"><?php _e( 'Status', 'invoicing' ); ?></span></th>
-            <th class="sub-invoice"><span class="nobr"><?php _e( 'Invoice', 'invoicing' ); ?></span></th>
-            <th class="sub-item"><span class="nobr"><?php _e( 'Item', 'invoicing' ); ?></span></th>
-            <th class="sub-gateway"><span class="nobr"><?php _e( 'Gateway', 'invoicing' ); ?></span></th>
-            <th class="sub-expiry"><span class="nobr"><?php _e( 'Expires On', 'invoicing' ); ?></span></th>
-            <th class="sub-actions"><span class="nobr"><?php _e( 'Actions', 'invoicing' ); ?></span></th>
+            <th class="sub-no"><span class="nobr"><?php _e('No.', 'invoicing'); ?></span></th>
+            <th class="sub-amount"><span class="nobr"><?php _e('Initial Amount', 'invoicing'); ?></span></th>
+            <th class="sub-cycle"><span class="nobr"><?php _e('Billing Cycle', 'invoicing'); ?></span></th>
+            <th class="sub-billed"><span class="nobr"><?php _e('Times Billed', 'invoicing'); ?></span></th>
+            <th class="sub-status"><span class="nobr"><?php _e('Status', 'invoicing'); ?></span></th>
+            <th class="sub-invoice"><span class="nobr"><?php _e('Invoice', 'invoicing'); ?></span></th>
+            <th class="sub-item"><span class="nobr"><?php _e('Item', 'invoicing'); ?></span></th>
+            <th class="sub-gateway"><span class="nobr"><?php _e('Gateway', 'invoicing'); ?></span></th>
+            <th class="sub-expiry"><span class="nobr"><?php _e('Expires On', 'invoicing'); ?></span></th>
+            <th class="sub-actions"><span class="nobr"><?php _e('Actions', 'invoicing'); ?></span></th>
         </tr>
         </thead>
 
@@ -57,7 +57,7 @@ 
                     $initial = wpinv_price(wpinv_format_amount($sub->initial_amount), wpinv_get_invoice_currency_code($sub->parent_payment_id));
                     printf(_x('%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing'), $initial, $billing); ?>
                 </td>
-                <td><?php echo $sub->get_times_billed() . ' / ' . (($sub->bill_times == 0) ? __( 'Until Cancelled', 'invoicing' ) : $sub->bill_times); ?></td>
+                <td><?php echo $sub->get_times_billed() . ' / ' . (($sub->bill_times == 0) ? __('Until Cancelled', 'invoicing') : $sub->bill_times); ?></td>
                 <td><?php echo $sub->get_status_label_html(); ?></td>
                 <td><a href="<?php echo get_permalink($invoice); ?>" target="_blank">#<?php echo $invoice; ?></a></td>
                 <td><?php echo get_the_title($sub->product_id); ?></td>
@@ -65,7 +65,7 @@ 
                 <td><?php echo date_i18n(get_option('date_format'), strtotime($sub->expiration, current_time('timestamp'))); ?></td>
                 <td><?php
                     if ($sub->can_cancel()) {
-                        $message = esc_attr__( 'Are you sure you want to cancel this subscription?', 'invoicing' );
+                        $message = esc_attr__('Are you sure you want to cancel this subscription?', 'invoicing');
                         echo '<a class="btn btn-sm btn-primary" onclick="return confirm(\'' . $message . '\')" href="' . $sub->get_cancel_url() . '" >' . __("Cancel", "invoicing") . '</a>';
                     }
                     do_action('wpinv_subscription_item_actions', $sub);