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run code in 300+ PHP versions simultaneously
<?php function foo($test = 1) { echo $test; } foo(); echo $test;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1 Warning: Undefined variable $test in /in/i98bD on line 8
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
1 Notice: Undefined variable: test in /in/i98bD on line 8
Output for 7.3.32 - 7.3.33, 7.4.26
1
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
1 Notice: Undefined variable: test in /in/i98bD on line 8

preferences:
230.44 ms | 402 KiB | 351 Q