acf_field_image::validate_value │ public │ ACF 5.0.0

This function will validate a basic file input

Method of the class: acf_field_image{}

No Hooks.

Returns

true|false. The validity status.

Usage

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

$valid(true|false) (required)

The current validity status.

$value(mixed) (required)

The field value.

$field(array) (required)

The field array.

$input(string) (required)

The name of the input in the POST object.

Changelog

acf_field_image::validate_value() acf field image::validate value code ^{ACF 6.8.8}

public function validate_value( $valid, $value, $field, $input ) {
	if ( $valid !== true ) {
		return $valid;
	}

	if ( empty( $value ) ) {
		return $valid;
	}

	if ( is_numeric( $value ) && ! wp_attachment_is_image( $value ) ) {
		return __( 'File must be a valid image.', 'acf' );
	}

	return acf_get_field_type( 'file' )->validate_value( $valid, $value, $field, $input );
}