Isset-er.

Parameters

$keystringrequired

Property to check if set.

Return

Source

public function __isset( $key ) {
	if ( 'ancestors' === $key ) {
		return true;
	}

	if ( 'page_template' === $key ) {
		return true;
	}

	if ( 'post_category' === $key ) {
		return true;
	}

	if ( 'tags_input' === $key ) {
		return true;
	}

	return metadata_exists( 'post', $this->ID, $key );
}

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