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run code in 300+ PHP versions simultaneously
<?php function unset_globals($array) { if(!is_array($array)) { return; } foreach(array_keys($array) as $key) { unset($GLOBALS[$key]); unset($GLOBALS[$key]); // Double unset to circumvent the zend_hash_del_key_or_index hole in PHP <4.4.3 and <5.1.4 } } $ryat = 'haha'; $_GET['GLOBALS'] = 'hi'; $_GET['ryat'] = 'hi'; unset_globals($_GET); echo $ryat;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $ryat in /in/CvaRv on line 19
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $GLOBALS in /in/CvaRv on line 12 Warning: Undefined variable $GLOBALS in /in/CvaRv on line 11 Warning: Undefined variable $GLOBALS in /in/CvaRv on line 12 haha
Output for 5.0.4 - 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 - 5.6.40, 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 variable: GLOBALS in /in/CvaRv on line 12 Notice: Undefined variable: GLOBALS in /in/CvaRv on line 11 Notice: Undefined variable: GLOBALS in /in/CvaRv on line 12 haha
Output for 7.3.32 - 7.3.33
haha
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: GLOBALS in /in/CvaRv on line 12 Notice: Undefined variable: GLOBALS in /in/CvaRv on line 11 Notice: Undefined variable: GLOBALS in /in/CvaRv on line 12 haha
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined variable: ryat in /in/CvaRv on line 19
preferences:
366.46 ms | 402 KiB | 460 Q