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<?php |
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/** |
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* Contains utilities related to the Jetpack Newsletter Categories. |
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* |
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* @package automattic/jetpack |
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*/ |
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|
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/** |
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* Jetpack_Newsletter_Category_Helper class |
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*/ |
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class Jetpack_Newsletter_Category_Helper { |
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|
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const NEWSLETTER_CATEGORIES_OPTION = 'wpcom_newsletter_categories'; |
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|
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/** |
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* Return category ID's |
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* |
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* @return array An array of integers |
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*/ |
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public static function get_category_ids() { |
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$newsletter_categories = maybe_unserialize( get_option( 'wpcom_newsletter_categories', array() ) ); |
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|
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if ( ! is_array( $newsletter_categories ) || empty( $newsletter_categories ) ) { |
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return array(); |
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} |
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|
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// Check if it is an array of integers. |
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// [123, 456] |
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if ( isset( $newsletter_categories[0] ) && is_int( $newsletter_categories[0] ) ) { |
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return $newsletter_categories; |
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} |
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|
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// Check if it is an array of arrays with term_id keys. |
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// [{term_id: 123}, {term_id: 456}] |
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if ( isset( $newsletter_categories[0] ) && is_array( $newsletter_categories[0] ) && isset( $newsletter_categories[0]['term_id'] ) ) { |
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$ids = array(); |
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foreach ( $newsletter_categories as $category ) { |
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if ( isset( $category['term_id'] ) && is_numeric( $category['term_id'] ) ) { |
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$ids[] = (int) $category['term_id']; |
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} |
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} |
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return $ids; |
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} |
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|
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return array(); |
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} |
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|
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/** |
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* Handles category ID's ready to be saved as an option |
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* |
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* @param array $newsletter_categories An array of id's that could be in a few different forms. |
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* @return array|bool An associated array with term_id keys on success, or the boolean result from update_option. |
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* [{term_id: 123}, {term_id: 456}] |
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*/ |
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public static function save_category_ids( $newsletter_categories ) { |
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if ( ! is_array( $newsletter_categories ) || empty( $newsletter_categories ) ) { |
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return false; |
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} |
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|
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$formatted_categories = array(); |
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|
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// Check if it is an array of integers. |
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// [123, 456] |
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if ( isset( $newsletter_categories[0] ) && is_numeric( $newsletter_categories[0] ) ) { |
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foreach ( $newsletter_categories as $id ) { |
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if ( is_numeric( $id ) ) { |
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$formatted_categories[] = array( 'term_id' => (int) $id ); |
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} |
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} |
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} |
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|
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// Check if it is an array of arrays with term_id keys. |
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// [{term_id: 123}, {term_id: 456}] |
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if ( isset( $newsletter_categories[0] ) && is_array( $newsletter_categories[0] ) && isset( $newsletter_categories[0]['term_id'] ) ) { |
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foreach ( $newsletter_categories as $category ) { |
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if ( isset( $category['term_id'] ) && is_numeric( $category['term_id'] ) ) { |
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$formatted_categories[] = array( 'term_id' => (int) $category['term_id'] ); |
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} |
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} |
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} |
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|
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if ( empty( $formatted_categories ) ) { |
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return false; |
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} |
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|
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return update_option( self::NEWSLETTER_CATEGORIES_OPTION, $formatted_categories ) |
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? $formatted_categories |
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: false; |
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} |
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} |
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|
