3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("a","b","c"); echo "this is " . $array[3] . "\n"; echo empty($array[3]). "\n"; echo empty($array[2]). "\n"; $url = $_SERVER['REQUEST_URI']; echo $url;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key 3 in /in/dsHZo on line 3 this is 1 Warning: Undefined array key "REQUEST_URI" in /in/dsHZo on line 6
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 3 in /in/dsHZo on line 3 this is 1 Notice: Undefined index: REQUEST_URI in /in/dsHZo on line 6
Output for 7.3.32 - 7.3.33
this is 1
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
Notice: Undefined offset: 3 in /in/dsHZo on line 3 this is 1 Notice: Undefined index: REQUEST_URI in /in/dsHZo on line 6
preferences:
255.73 ms | 402 KiB | 460 Q