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run code in 300+ PHP versions simultaneously
<?php $chars = array_map('chr', range(32, 126)); $diff = array_filter( $chars, function ($c) { return $c !== mb_convert_encoding($c, 'UTF-8', 'SJIS'); } ); var_dump($diff);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.8 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
array(0) { }
Output for 8.1.0 - 8.1.7
array(2) { [60]=> string(1) "\" [94]=> string(1) "~" }
preferences:
73.38 ms | 406 KiB | 5 Q