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run code in 300+ PHP versions simultaneously
<?php function Test($x=1,$x=1) { var_dump(func_get_arg()); var_dump(func_get_arg()); } echo Test(2,3);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: func_get_arg() expects exactly 1 parameter, 0 given in /in/LIuPG on line 3 NULL Warning: func_get_arg() expects exactly 1 parameter, 0 given in /in/LIuPG on line 4 NULL
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
bool(false) bool(false)

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