3v4l.org

run code in 300+ PHP versions simultaneously
<?php $options = array('haha'=>'test'); $ops = array('haha'=>'fuck',1); print_r(array_merge($options,$ops));
Output for 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [haha] => fuck [0] => 1 )

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139.75 ms | 403 KiB | 142 Q