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run code in 300+ PHP versions simultaneously
<?php $array_1 = explode(" ", $str1); $array_2 = explode(" ", $str1); echo count(array_diff($array_1, $array_2));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $str1 in /in/Wkj9Q on line 2 Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/Wkj9Q on line 2 Warning: Undefined variable $str1 in /in/Wkj9Q on line 3 Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/Wkj9Q on line 3 0
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $str1 in /in/Wkj9Q on line 2 Warning: Undefined variable $str1 in /in/Wkj9Q on line 3 0
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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: str1 in /in/Wkj9Q on line 2 Notice: Undefined variable: str1 in /in/Wkj9Q on line 3 0
Output for 7.3.32 - 7.3.33
0
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: str1 in /in/Wkj9Q on line 2 Notice: Undefined variable: str1 in /in/Wkj9Q on line 3 0
preferences:
279.75 ms | 402 KiB | 456 Q