acf_field_file::validate_value │ public │ ACF 5.0.0

validate_value

This function will validate a basic file input

Method of the class: acf_field_file{}

No Hooks.

Returns

$post_id. (int)

Usage

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

$valid(required)

.

$value(required)

.

$field(required)

.

$input(required)

.

Changelog

acf_field_file::validate_value() acf field file::validate value code ^{ACF 6.8.8}

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

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

	// bail early if is numeric
	if ( is_numeric( $value ) ) {
		return $valid;
	}

	// bail early if not basic string
	if ( ! is_string( $value ) ) {
		return $valid;
	}

	// decode value
	$file = null;
	parse_str( $value, $file );

	// bail early if no attachment
	if ( empty( $file ) ) {
		return $valid;
	}

	// get errors
	$errors = acf_validate_attachment( $file, $field, 'basic_upload' );

	// append error
	if ( ! empty( $errors ) ) {
		$valid = implode( "\n", $errors );
	}

	// return
	return $valid;
}