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run code in 300+ PHP versions simultaneously
<?php var_dump(array( mb_internal_encoding(), mb_http_output(), mb_regex_encoding(), ));
Output for 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
array(3) { [0]=> string(5) "UTF-8" [1]=> string(5) "UTF-8" [2]=> string(5) "UTF-8" }
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
array(3) { [0]=> string(10) "ISO-8859-1" [1]=> string(4) "pass" [2]=> string(6) "EUC-JP" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
array(3) { [0]=> string(10) "ISO-8859-1" [1]=> string(4) "pass" [2]=> string(10) "ISO-8859-1" }
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/bZukb on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_regex_encoding() in /in/bZukb on line 6

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346.49 ms | 402 KiB | 460 Q