WordPress at a glance
function is not described

CronExpression_HoursField::validate() public WC 1.0

{@inheritdoc}

{} It's a method of the class: CronExpression_HoursField{}

No Hooks.

Return

Null. Nothing.

Usage

$CronExpression_HoursField = new CronExpression_HoursField();
$CronExpression_HoursField->validate( $value );
$value (required)
-

Code of CronExpression_HoursField::validate() WC 5.0.0

<?php
public function validate($value)
{
    return (bool) preg_match('/[\*,\/\-0-9]+/', $value);
}