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run code in 300+ PHP versions simultaneously
<?php $foo['GET_PAGE_ID'] = 'hello world'; $pageID = isset($foo[GET_PAGE_ID]) ? $foo[GET_PAGE_ID] : 6; echo $pageID;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Undefined constant "GET_PAGE_ID" in /in/ZsdhL:5 Stack trace: #0 {main} thrown in /in/ZsdhL on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "GET_PAGE_ID" in /in/ZsdhL:5 Stack trace: #0 {main} thrown in /in/ZsdhL on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant GET_PAGE_ID - assumed 'GET_PAGE_ID' (this will throw an Error in a future version of PHP) in /in/ZsdhL on line 5 Warning: Use of undefined constant GET_PAGE_ID - assumed 'GET_PAGE_ID' (this will throw an Error in a future version of PHP) in /in/ZsdhL on line 6 hello world
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25
Notice: Use of undefined constant GET_PAGE_ID - assumed 'GET_PAGE_ID' in /in/ZsdhL on line 5 Notice: Use of undefined constant GET_PAGE_ID - assumed 'GET_PAGE_ID' in /in/ZsdhL on line 6 hello world

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