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function is not described

CronExpression::getExpression() public WC 1.0

Get all or part of the CRON expression

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

No Hooks.

Return

String|null. Returns the CRON expression, a part of the

CRON expression, or NULL if the part was specified but not found

Usage

$CronExpression = new CronExpression();
$CronExpression->getExpression( $part );
$part(string)
(optional) Specify the part to retrieve or NULL to
php get the full cron schedule string.
Default: null

Code of CronExpression::getExpression() WC 6.1.0

public function getExpression($part = null)
{
    if (null === $part) {
        return implode(' ', $this->cronParts);
    } elseif (array_key_exists($part, $this->cronParts)) {
        return $this->cronParts[$part];
    }

    return null;
}