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function is not described

WP_Background_Process::lock_process() protected WC 1.0

Lock process

Lock the process so that multiple instances can't run simultaneously. Override if applicable, but the duration should be greater than that defined in the time_exceeded() method.

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

Hooks from the method

Return

null. Nothing.

Usage

// protected - for code of main (parent) or child class
$result = $this->lock_process();

Code of WP_Background_Process::lock_process() WC 5.8.0

protected function lock_process() {
	$this->start_time = time(); // Set start time of current process.

	$lock_duration = ( property_exists( $this, 'queue_lock_time' ) ) ? $this->queue_lock_time : 60; // 1 minute
	$lock_duration = apply_filters( $this->identifier . '_queue_lock_time', $lock_duration );

	set_site_transient( $this->identifier . '_process_lock', microtime(), $lock_duration );
}