WPCF7_FormTagsManager::scan_callback │ private │ CF7 1.0

The callback function for the form-tag scanning.

Метод класса: WPCF7_FormTagsManager{}

Возвращает

null. Ничего (null).

Использование

// private - только в коде основоного (родительского) класса
$result = $this->scan_callback( $matches, $replace );

$matches(обязательный)

.

$replace

.
По умолчанию: false

Код WPCF7_FormTagsManager::scan_callback() WPCF7 FormTagsManager::scan callback ^{CF7 6.1.3}

private function scan_callback( $matches, $replace = false ) {
	// allow [[foo]] syntax for escaping a tag
	if ( '[' === $matches[1] and ']' === $matches[6] ) {
		return substr( $matches[0], 1, -1 );
	}

	$tag_type = $matches[2];
	$tag_basetype = trim( $tag_type, '*' );
	$attr = $this->parse_atts( $matches[3] );

	$scanned_tag = array(
		'type' => $tag_type,
		'basetype' => $tag_basetype,
		'raw_name' => '',
		'name' => '',
		'options' => array(),
		'raw_values' => array(),
		'values' => array(),
		'pipes' => null,
		'labels' => array(),
		'attr' => '',
		'content' => '',
	);

	if ( $this->tag_type_supports( $tag_type, 'singular' ) ) {
		$tags_in_same_basetype = $this->filter(
			$this->scanned_tags,
			array( 'basetype' => $tag_basetype )
		);

		if ( $tags_in_same_basetype ) {
			// Another tag in the same base type already exists. Ignore this one.
			return $matches[0];
		}
	}

	if ( $this->tag_type_supports( $tag_type, 'name-attr' ) ) {
		if ( ! is_array( $attr ) ) {
			return $matches[0]; // Invalid form-tag.
		}

		$scanned_tag['raw_name'] = (string) array_shift( $attr['options'] );

		if ( ! wpcf7_is_name( $scanned_tag['raw_name'] ) ) {
			return $matches[0]; // Invalid name is used. Ignore this tag.
		}

		$scanned_tag['name'] = strtr( $scanned_tag['raw_name'], '.', '_' );
	}

	if ( is_array( $attr ) ) {
		$scanned_tag['options'] = (array) $attr['options'];
		$scanned_tag['raw_values'] = (array) $attr['values'];

		if ( WPCF7_USE_PIPE ) {
			$pipes = new WPCF7_Pipes( $scanned_tag['raw_values'] );
			$scanned_tag['values'] = $pipes->collect_befores();
			$scanned_tag['pipes'] = $pipes;
		} else {
			$scanned_tag['values'] = $scanned_tag['raw_values'];
		}

		$scanned_tag['labels'] = $scanned_tag['values'];

	} else {
		$scanned_tag['attr'] = $attr;
	}

	$scanned_tag['values'] = array_map( 'trim', $scanned_tag['values'] );
	$scanned_tag['labels'] = array_map( 'trim', $scanned_tag['labels'] );

	$content = trim( $matches[5] );
	$content = preg_replace( "/<br[\r\n\t ]*\/?>$/m", '', $content );
	$scanned_tag['content'] = $content;

	$scanned_tag = apply_filters( 'wpcf7_form_tag', $scanned_tag, $replace );

	$scanned_tag = new WPCF7_FormTag( $scanned_tag );

	$this->scanned_tags[] = $scanned_tag;

	if ( $replace ) {
		$callback = $this->tag_types[$tag_type]['function'];
		return $matches[1] . call_user_func( $callback, $scanned_tag ) . $matches[6];
	} else {
		return $matches[0];
	}
}