WPSEO_Replace_Vars::retrieve_cf_custom_field_name()privateYoast 1.0

Retrieve a post/page/cpt's custom field value for use as replacement string.

{} Это метод класса: WPSEO_Replace_Vars{}

Хуков нет.

Возвращает

Строку|null.

Использование

// private - только в коде основоного (родительского) класса
$result = $this->retrieve_cf_custom_field_name( $var_to_replace );
$var_to_replace(строка) (обязательный)
The complete variable to replace which includes the name of the custom field which value is to be retrieved.

Код WPSEO_Replace_Vars::retrieve_cf_custom_field_name() Yoast 19.7.1

private function retrieve_cf_custom_field_name( $var_to_replace ) {
	$replacement = null;

	if ( is_string( $var_to_replace ) && $var_to_replace !== '' ) {
		$field = substr( $var_to_replace, 3 );
		if ( ! empty( $this->args->ID ) ) {
			// Post meta can be arrays and in this case we need to exclude them.
			$name = get_post_meta( $this->args->ID, $field, true );
			if ( $name !== '' && ! is_array( $name ) ) {
				$replacement = $name;
			}
		}
		elseif ( ! empty( $this->args->term_id ) ) {
			$name = get_term_meta( $this->args->term_id, $field, true );
			if ( $name !== '' ) {
				$replacement = $name;
			}
		}
	}

	return $replacement;
}