- Output for 7.4.0 - 7.4.29, 8.0.1 - 8.0.19, 8.1.0 - 8.1.6
- string(15) "111','222','333"
<?php
declare(strict_types = 1);
$instruments = array();
$instruments['111'] = '111';
$instruments['222'] = '222';
$instruments['333'] = '333';
var_dump(implode("','", $instruments));