acf_field_url::validate_value │ public │ ACF 5.0.0

Validate the fields value is correctly formatted as a URL

Method of the class: acf_field_url{}

No Hooks.

Returns

mixed. Boolean true if valid, a validation error message string if not.

Usage

$acf_field_url = new acf_field_url();
$acf_field_url->validate_value( $valid, $value, $field, $input );

$valid(mixed) (required)

The current validity of the field value. Boolean true if valid, a validation error message string if not.

$value(string) (required)

The value of the field.

$field(array) (required)

Field object array.

$input(string) (required)

The form input name for this field.

Changelog

acf_field_url::validate_value() acf field url::validate value code ^{ACF 6.8.8}

public function validate_value( $valid, $value, $field, $input ) {

	// bail early if empty
	if ( empty( $value ) ) {
		return $valid;
	}

	if ( strpos( $value, '://' ) !== false ) {

		// url
	} elseif ( strpos( $value, '//' ) === 0 ) {

		// protocol relative url
	} else {
		$valid = __( 'Value must be a valid URL', 'acf' );
	}

	// return
	return $valid;
}