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run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL | E_STRICT); class a { function api() { echo 'hi'; } } class b extends a { function api() { $argv = func_get_args(); return call_user_func_array( array( 'a', 'api' ), $argv ); } } $b = new b(); $b->api();
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.1, 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, 7.4.0 - 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
hi
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: Non-static method a::api() cannot be called statically, assuming $this from compatible context b in /in/dikFp on line 13 hi
Output for 5.0.0 - 5.0.3

Process exited with code 139.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/dikFp on line 3 hi
preferences:
222.76 ms | 402 KiB | 424 Q