if ( is_object($function) ) {
// Closures are currently implemented as objects
$function = array( $function, '' );
} else {
$function = (array) $function;
}$function = (array) $function;和$function = array( $function, '' );是什么意思自己个自己赋值?
// Closures are currently implemented as objects
$function = array( $function, '' );
} else {
$function = (array) $function;
}$function = (array) $function;和$function = array( $function, '' );是什么意思自己个自己赋值?
global $wp_filter;
static $filter_id_count = 0; if ( is_string($function) )
return $function; if ( is_object($function) ) {
// Closures are currently implemented as objects
$function = array( $function, '' );
} else {
$function = (array) $function;
} if (is_object($function[0]) ) {
// Object Class Calling
if ( function_exists('spl_object_hash') ) {
return spl_object_hash($function[0]) . $function[1];
} else {
$obj_idx = get_class($function[0]).$function[1];
if ( !isset($function[0]->wp_filter_id) ) {
if ( false === $priority )
return false;
$obj_idx .= isset($wp_filter[$tag][$priority]) ? count((array)$wp_filter[$tag][$priority]) : $filter_id_count;
$function[0]->wp_filter_id = $filter_id_count;
++$filter_id_count;
} else {
$obj_idx .= $function[0]->wp_filter_id;
} return $obj_idx;
}
} elseif ( is_string( $function[0] ) ) {
// Static Calling
return $function[0] . '::' . $function[1];
}
}