Sanitize a value by passing it through one or more sanitization callbacks.

sanitize.php

<?php

/**
 * Sanitize a value by passing it through one or more sanitization callbacks.
 *
 * @param mixed $value
 * @param callable|array $sanitize
 * @return mixed
 */
function sanitize( $value, $sanitize ) {
	$callbacks = is_callable( $sanitize ) ? array( $sanitize ) : (array) $sanitize;
	foreach ( $callbacks as $callback ) {
		if ( is_callable( $callback ) ) {
			$value = call_user_func( $callback, $value );
		}
	}
	return $value;
}