WP_Background_Process::generate_key( int $length = 64 )
Generate key
Description
Generates a unique key based on microtime. Queue items are given a unique key so that they can be merged upon save.
Parameters
- $length
-
(int) (Optional) Length.
Default value: 64
Return
(string)
Source
File: classes/library/batch-processing/wp-background-process.php
protected function generate_key( $length = 64 ) {
$unique = md5( microtime() . rand() );
$prepend = $this->identifier . '_batch_';
return substr( $prepend . $unique, 0, $length );
}
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