3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user=NULL; $p=array(""); var_dump($p, $user['password']==$p);
Output for 8.3.0 - 8.3.6
Warning: Trying to access array offset on null in /in/IUErH on line 4 array(1) { [0]=> string(0) "" } bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Trying to access array offset on value of type null in /in/IUErH on line 4 array(1) { [0]=> string(0) "" } bool(false)
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/IUErH on line 4 array(1) { [0]=> string(0) "" } bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.26
array(1) { [0]=> string(0) "" } bool(false)

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283.53 ms | 404 KiB | 425 Q