<!-- Collection of code snippets by Arne Vajhøj -->
<!-- posted to eksperten.dk, usenet and other places (2002-now) -->
<?php
class Job {
    public $name;
    public function __construct($name) {
        $this->name = $name;
    }
}

$jobs = array(new Job('A'), new Job('BB'), new Job('CCC'));
 
echo implode(',', array_map(function($job) { return $job->name; }, $jobs));
?>