3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'name' => ['Some message to display1'], 'test' => ['Some message to display2'], 'kudos' => ['Some message to display3'] ]; echo implode(', ', array_merge(...array_values($array))); echo "\n---\n"; echo array_reduce($array, function($carry, $item) {return $carry .= ($carry ? ', ' : '') . $item[0]; }, '');
Output for 5.6.38, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Some message to display1, Some message to display2, Some message to display3 --- Some message to display1, Some message to display2, Some message to display3
preferences:
165.03 ms | 408 KiB | 5 Q