ACF::define │ public │ ACF 5.5.13

Defines a constant if doesnt already exist.

Method of the class: ACF{}

No Hooks.

Returns

void. Nothing (null).

Usage

$ACF = new ACF();
$ACF->define( $name, $value );
$name(string) (required)
The constant name.
$value(mixed)
The constant value.
Default: true

Changelog

Since 5.5.13 Introduced.

ACF::define() code ACF 6.8.8

acf/acf.php 
public function define( $name, $value = true ) {
	if ( ! defined( $name ) ) {
		define( $name, $value );
	}
}