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<?php |
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/** |
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* CMB2 Utilities |
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* |
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* @since 1.1.0 |
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* |
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* @category WordPress_Plugin |
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* @package CMB2 |
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* @author WebDevStudios |
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* @license GPL-2.0+ |
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* @link http://webdevstudios.com |
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*/ |
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class CMB2_Utils { |
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/** |
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* The WordPress ABSPATH constant. |
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* @var string |
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* @since 2.2.3 |
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*/ |
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protected static $ABSPATH = ABSPATH; |
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/** |
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* The url which is used to load local resources. |
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* @var string |
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* @since 2.0.0 |
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*/ |
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protected static $url = ''; |
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/** |
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* Utility method that attempts to get an attachment's ID by it's url |
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* @since 1.0.0 |
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* @param string $img_url Attachment url |
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* @return int|false Attachment ID or false |
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*/ |
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public static function image_id_from_url( $img_url ) { |
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$attachment_id = 0; |
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$dir = wp_upload_dir(); |
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// Is URL in uploads directory? |
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if ( false === strpos( $img_url, $dir['baseurl'] . '/' ) ) { |
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return false; |
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} |
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$file = basename( $img_url ); |
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$query_args = array( |
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'post_type' => 'attachment', |
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'post_status' => 'inherit', |
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'fields' => 'ids', |
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'meta_query' => array( |
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array( |
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'value' => $file, |
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'compare' => 'LIKE', |
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'key' => '_wp_attachment_metadata', |
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), |
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) |
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); |
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$query = new WP_Query( $query_args ); |
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if ( $query->have_posts() ) { |
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foreach ( $query->posts as $post_id ) { |
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$meta = wp_get_attachment_metadata( $post_id ); |
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$original_file = basename( $meta['file'] ); |
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$cropped_image_files = isset( $meta['sizes'] ) ? wp_list_pluck( $meta['sizes'], 'file' ) : array(); |
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if ( $original_file === $file || in_array( $file, $cropped_image_files ) ) { |
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$attachment_id = $post_id; |
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break; |
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} |
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} |
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} |
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return 0 === $attachment_id ? false : $attachment_id; |
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} |
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/** |
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* Utility method that returns time string offset by timezone |
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* @since 1.0.0 |
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* @param string $tzstring Time string |
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* @return string Offset time string |
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*/ |
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public static function timezone_offset( $tzstring ) { |
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$tz_offset = 0; |
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if ( ! empty( $tzstring ) && is_string( $tzstring ) ) { |
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if ( 'UTC' === substr( $tzstring, 0, 3 ) ) { |
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$tzstring = str_replace( array( ':15', ':30', ':45' ), array( '.25', '.5', '.75' ), $tzstring ); |
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return intval( floatval( substr( $tzstring, 3 ) ) * HOUR_IN_SECONDS ); |
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} |
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try { |
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$date_time_zone_selected = new DateTimeZone( $tzstring ); |
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$tz_offset = timezone_offset_get( $date_time_zone_selected, date_create() ); |
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} catch ( Exception $e ) { |
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self::log_if_debug( __METHOD__, __LINE__, $e->getMessage() ); |
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} |
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} |
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return $tz_offset; |
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} |
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/** |
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* Utility method that returns a timezone string representing the default timezone for the site. |
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* |
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* Roughly copied from WordPress, as get_option('timezone_string') will return |
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* an empty string if no value has been set on the options page. |
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* A timezone string is required by the wp_timezone_choice() used by the |
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* select_timezone field. |
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* |
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* @since 1.0.0 |
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* @return string Timezone string |
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*/ |
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public static function timezone_string() { |
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$current_offset = get_option( 'gmt_offset' ); |
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$tzstring = get_option( 'timezone_string' ); |
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// Remove old Etc mappings. Fallback to gmt_offset. |
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if ( false !== strpos( $tzstring, 'Etc/GMT' ) ) { |
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$tzstring = ''; |
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} |
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if ( empty( $tzstring ) ) { // Create a UTC+- zone if no timezone string exists |
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if ( 0 == $current_offset ) { |
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$tzstring = 'UTC+0'; |
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} elseif ( $current_offset < 0 ) { |
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$tzstring = 'UTC' . $current_offset; |
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} else { |
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$tzstring = 'UTC+' . $current_offset; |
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} |
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} |
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return $tzstring; |
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} |
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/** |
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* Returns a timestamp, first checking if value already is a timestamp. |
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* @since 2.0.0 |
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* @param string|int $string Possible timestamp string |
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* @return int Time stamp |
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*/ |
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public static function make_valid_time_stamp( $string ) { |
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if ( ! $string ) { |
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return 0; |
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} |
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return self::is_valid_time_stamp( $string ) |
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? (int) $string : |
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strtotime( (string) $string ); |
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} |
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/** |
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* Determine if a value is a valid timestamp |
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* @since 2.0.0 |
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* @param mixed $timestamp Value to check |
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* @return boolean Whether value is a valid timestamp |
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*/ |
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public static function is_valid_time_stamp( $timestamp ) { |
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return (string) (int) $timestamp === (string) $timestamp |
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&& $timestamp <= PHP_INT_MAX |
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&& $timestamp >= ~PHP_INT_MAX; |
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} |
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/** |
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* Checks if a value is 'empty'. Still accepts 0. |
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* @since 2.0.0 |
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* @param mixed $value Value to check |
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* @return bool True or false |
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*/ |
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public static function isempty( $value ) { |
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return null === $value || '' === $value || false === $value || array() === $value; |
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} |
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/** |
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* Checks if a value is not 'empty'. 0 doesn't count as empty. |
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* @since 2.2.2 |
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* @param mixed $value Value to check |
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* @return bool True or false |
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*/ |
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public static function notempty( $value ){ |
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return null !== $value && '' !== $value && false !== $value && array() !== $value; |
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} |
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/** |
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* Filters out empty values (not including 0). |
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* @since 2.2.2 |
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* @param mixed $value Value to check |
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* @return bool True or false |
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*/ |
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public static function filter_empty( $value ) { |
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return array_filter( $value, array( __CLASS__, 'notempty' ) ); |
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} |
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/** |
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* Insert a single array item inside another array at a set position |
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* @since 2.0.2 |
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* @param array &$array Array to modify. Is passed by reference, and no return is needed. |
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* @param array $new New array to insert |
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* @param int $position Position in the main array to insert the new array |
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*/ |
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public static function array_insert( &$array, $new, $position ) { |
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$before = array_slice( $array, 0, $position - 1 ); |
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$after = array_diff_key( $array, $before ); |
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$array = array_merge( $before, $new, $after ); |
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} |
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/** |
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* Defines the url which is used to load local resources. |
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* This may need to be filtered for local Window installations. |
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* If resources do not load, please check the wiki for details. |
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* @since 1.0.1 |
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* @return string URL to CMB2 resources |
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*/ |
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public static function url( $path = '' ) { |
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if ( self::$url ) { |
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return self::$url . $path; |
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} |
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$cmb2_url = self::get_url_from_dir( cmb2_dir() ); |
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/** |
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* Filter the CMB location url |
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* |
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* @param string $cmb2_url Currently registered url |
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*/ |
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self::$url = trailingslashit( apply_filters( 'cmb2_meta_box_url', $cmb2_url, CMB2_VERSION ) ); |
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return self::$url . $path; |
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} |
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/** |
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* Converts a system path to a URL |
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* @since 2.2.2 |
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* @param string $dir Directory path to convert. |
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* @return string Converted URL. |
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*/ |
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public static function get_url_from_dir( $dir ) { |
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$dir = self::normalize_path( $dir ); |
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// Let's test if We are in the plugins or mu-plugins dir. |
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$test_dir = trailingslashit( $dir ) . 'unneeded.php'; |
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if ( |
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0 === strpos( $test_dir, self::normalize_path( WPMU_PLUGIN_DIR ) ) |
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|| 0 === strpos( $test_dir, self::normalize_path( WP_PLUGIN_DIR ) ) |
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) { |
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// Ok, then use plugins_url, as it is more reliable. |
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return trailingslashit( plugins_url( '', $test_dir ) ); |
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} |
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// Ok, now let's test if we are in the theme dir. |
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$theme_root = self::normalize_path( get_theme_root() ); |
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if ( 0 === strpos( $dir, $theme_root ) ) { |
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// Ok, then use get_theme_root_uri. |
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return set_url_scheme( |
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trailingslashit( |
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str_replace( |
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untrailingslashit( $theme_root ), |
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untrailingslashit( get_theme_root_uri() ), |
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$dir |
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) |
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) |
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); |
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} |
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// Check to see if it's anywhere in the root directory |
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$site_dir = self::normalize_path( self::$ABSPATH ); |
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$site_url = trailingslashit( is_multisite() ? network_site_url() : site_url() ); |
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$url = str_replace( |
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array( $site_dir, WP_PLUGIN_DIR ), |
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array( $site_url, WP_PLUGIN_URL ), |
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$dir |
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); |
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return set_url_scheme( $url ); |
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} |
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/** |
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* `wp_normalize_path` wrapper for back-compat. Normalize a filesystem path. |
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* |
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* On windows systems, replaces backslashes with forward slashes |
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* and forces upper-case drive letters. |
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* Allows for two leading slashes for Windows network shares, but |
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* ensures that all other duplicate slashes are reduced to a single. |
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* |
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* @since 2.2.0 |
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* |
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* @param string $path Path to normalize. |
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* @return string Normalized path. |
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*/ |
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protected static function normalize_path( $path ) { |
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if ( function_exists( 'wp_normalize_path' ) ) { |
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return wp_normalize_path( $path ); |
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} |
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// Replace newer WP's version of wp_normalize_path. |
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$path = str_replace( '\\', '/', $path ); |
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$path = preg_replace( '|(?<=.)/+|', '/', $path ); |
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if ( ':' === substr( $path, 1, 1 ) ) { |
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$path = ucfirst( $path ); |
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} |
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return $path; |
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} |
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/** |
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* Get timestamp from text date |
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* @since 2.2.0 |
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* @param string $value Date value |
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* @param string $date_format Expected date format |
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* @return mixed Unix timestamp representing the date. |
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*/ |
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public static function get_timestamp_from_value( $value, $date_format ) { |
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$date_object = date_create_from_format( $date_format, $value ); |
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return $date_object ? $date_object->setTime( 0, 0, 0 )->getTimeStamp() : strtotime( $value ); |
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} |
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/** |
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* Takes a php date() format string and returns a string formatted to suit for the date/time pickers |
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* It will work with only with the following subset ot date() options: |
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* |
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* d, j, z, m, n, y, and Y. |
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* |
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* A slight effort is made to deal with escaped characters. |
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* |
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* Other options are ignored, because they would either bring compatibility problems between PHP and JS, or |
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* bring even more translation troubles. |
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* |
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* @since 2.2.0 |
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* @param string $format php date format |
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* @return string reformatted string |
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*/ |
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public static function php_to_js_dateformat( $format ) { |
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// order is relevant here, since the replacement will be done sequentially. |
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$supported_options = array( |
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'd' => 'dd', // Day, leading 0 |
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'j' => 'd', // Day, no 0 |
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'z' => 'o', // Day of the year, no leading zeroes, |
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// 'D' => 'D', // Day name short, not sure how it'll work with translations |
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// 'l' => 'DD', // Day name full, idem before |
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'm' => 'mm', // Month of the year, leading 0 |
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'n' => 'm', // Month of the year, no leading 0 |
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// 'M' => 'M', // Month, Short name |
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// 'F' => 'MM', // Month, full name, |
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'y' => 'y', // Year, two digit |
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'Y' => 'yy', // Year, full |
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'H' => 'HH', // Hour with leading 0 (24 hour) |
352
|
|
|
'G' => 'H', // Hour with no leading 0 (24 hour) |
353
|
|
|
'h' => 'hh', // Hour with leading 0 (12 hour) |
354
|
|
|
'g' => 'h', // Hour with no leading 0 (12 hour), |
355
|
|
|
'i' => 'mm', // Minute with leading 0, |
356
|
|
|
's' => 'ss', // Second with leading 0, |
357
|
|
|
'a' => 'tt', // am/pm |
358
|
|
|
'A' => 'TT' // AM/PM |
359
|
|
|
); |
360
|
|
|
|
361
|
|
|
foreach ( $supported_options as $php => $js ) { |
362
|
|
|
// replaces every instance of a supported option, but skips escaped characters |
363
|
|
|
$format = preg_replace( "~(?<!\\\\)$php~", $js, $format ); |
364
|
|
|
} |
365
|
|
|
|
366
|
|
|
$format = preg_replace_callback( '~(?:\\\.)+~', array( __CLASS__, 'wrap_escaped_chars' ), $format ); |
367
|
|
|
|
368
|
|
|
return $format; |
369
|
|
|
} |
370
|
|
|
|
371
|
|
|
/** |
372
|
|
|
* Helper function for CMB_Utils->php_to_js_dateformat, because php 5.2 was retarded. |
373
|
|
|
* @since 2.2.0 |
374
|
|
|
* @param $value Value to wrap/escape |
375
|
|
|
* @return string Modified value |
376
|
|
|
*/ |
377
|
|
|
public static function wrap_escaped_chars( $value ) { |
378
|
|
|
return "'" . str_replace( '\\', '', $value[0] ) . "'"; |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
/** |
382
|
|
|
* Send to debug.log if WP_DEBUG is defined and true |
383
|
|
|
* |
384
|
|
|
* @since 2.2.0 |
385
|
|
|
* |
386
|
|
|
* @param string $function Function name |
387
|
|
|
* @param int $line Line number |
388
|
|
|
* @param mixed $msg Message to output |
389
|
|
|
* @param mixed $debug Variable to print_r |
390
|
|
|
*/ |
391
|
|
|
public static function log_if_debug( $function, $line, $msg, $debug = null ) { |
392
|
|
|
if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { |
393
|
|
|
error_log( "In $function, $line:" . print_r( $msg, true ) . ( $debug ? print_r( $debug, true ) : '' ) ); |
394
|
|
|
} |
395
|
|
|
} |
396
|
|
|
|
397
|
|
|
/** |
398
|
|
|
* Determine a file's extension |
399
|
|
|
* @since 1.0.0 |
400
|
|
|
* @param string $file File url |
401
|
|
|
* @return string|false File extension or false |
402
|
|
|
*/ |
403
|
|
|
public static function get_file_ext( $file ) { |
404
|
|
|
$parsed = @parse_url( $file, PHP_URL_PATH ); |
405
|
|
|
return $parsed ? strtolower( pathinfo( $parsed, PATHINFO_EXTENSION ) ) : false; |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
/** |
409
|
|
|
* Get the file name from a url |
410
|
|
|
* @since 2.0.0 |
411
|
|
|
* @param string $value File url or path |
412
|
|
|
* @return string File name |
413
|
|
|
*/ |
414
|
|
|
public static function get_file_name_from_path( $value ) { |
415
|
|
|
$parts = explode( '/', $value ); |
416
|
|
|
return is_array( $parts ) ? end( $parts ) : $value; |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Check if WP version is at least $version. |
421
|
|
|
* @since 2.2.2 |
422
|
|
|
* @param string $version WP version string to compare. |
423
|
|
|
* @return bool Result of comparison check. |
424
|
|
|
*/ |
425
|
|
|
public static function wp_at_least( $version ) { |
426
|
|
|
return version_compare( get_bloginfo( 'version' ), $version, '>=' ); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* Combines attributes into a string for a form element. |
431
|
|
|
* @since 1.1.0 |
432
|
|
|
* @param array $attrs Attributes to concatenate. |
433
|
|
|
* @param array $attr_exclude Attributes that should NOT be concatenated. |
434
|
|
|
* @return string String of attributes for form element. |
435
|
|
|
*/ |
436
|
|
|
public static function concat_attrs( $attrs, $attr_exclude = array() ) { |
437
|
|
|
$attr_exclude[] = 'rendered'; |
438
|
|
|
$attributes = ''; |
439
|
|
|
foreach ( $attrs as $attr => $val ) { |
440
|
|
|
$excluded = in_array( $attr, (array) $attr_exclude, true ); |
441
|
|
|
$empty = false === $val && 'value' !== $attr; |
442
|
|
|
if ( ! $excluded && ! $empty ) { |
443
|
|
|
// if data attribute, use single quote wraps, else double |
444
|
|
|
$quotes = false !== stripos( $attr, 'data-' ) ? "'" : '"'; |
445
|
|
|
$attributes .= sprintf( ' %1$s=%3$s%2$s%3$s', $attr, $val, $quotes ); |
446
|
|
|
} |
447
|
|
|
} |
448
|
|
|
return $attributes; |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
/** |
452
|
|
|
* Ensures value is an array. |
453
|
|
|
* |
454
|
|
|
* @since 2.2.3 |
455
|
|
|
* |
456
|
|
|
* @param mixed $value Value to ensure is array. |
457
|
|
|
* @param array $default Default array. Defaults to empty array. |
458
|
|
|
* |
459
|
|
|
* @return array The array. |
460
|
|
|
*/ |
461
|
|
|
public static function ensure_array( $value, $default = array() ) { |
462
|
|
|
if ( empty( $value ) ) { |
463
|
|
|
return $default; |
464
|
|
|
} |
465
|
|
|
|
466
|
|
|
if ( is_array( $value ) || is_object( $value ) ) { |
467
|
|
|
return (array) $value; |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
// Not sure anything would be non-scalar that is not an array or object? |
471
|
|
|
if ( ! is_scalar( $value ) ) { |
472
|
|
|
return $default; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
return (array) $value; |
476
|
|
|
} |
477
|
|
|
|
478
|
|
|
} |
479
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.