3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isStringOrNumeric($in) { return basename($in); } function test($a, $v) { var_dump($a); var_dump($v); } $a = array( 'index.php', '../../../index.php', 'valami.txt'); array_reduce($a, 'test'); /*$b = array_filter($a, 'isStringOrNumeric'); var_dump($a); var_dump($b);*/ if($b === $a) echo('Success!'); else echo('Fail!');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
NULL string(9) "index.php" NULL string(18) "../../../index.php" NULL string(10) "valami.txt" Warning: Undefined variable $b in /in/L2h32 on line 17 Fail!
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
NULL string(9) "index.php" NULL string(18) "../../../index.php" NULL string(10) "valami.txt" Notice: Undefined variable: b in /in/L2h32 on line 17 Fail!
Output for 7.3.32 - 7.3.33
NULL string(9) "index.php" NULL string(18) "../../../index.php" NULL string(10) "valami.txt" Fail!
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
NULL string(9) "index.php" NULL string(18) "../../../index.php" NULL string(10) "valami.txt" Notice: Undefined variable: b in /in/L2h32 on line 17 Fail!
Output for 4.3.0 - 4.3.2
string(9) "index.php" string(18) "../../../index.php" NULL string(10) "valami.txt" Notice: Undefined variable: b in /in/L2h32 on line 17 Fail!
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182.7 ms | 401 KiB | 309 Q