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run code in 300+ PHP versions simultaneously
<?php $arr = ['one', 'terefere']; var_dump(serialize($arr));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(39) "a:2:{i:0;s:3:"one";i:1;s:8:"terefere";}"
preferences:
160.71 ms | 403 KiB | 174 Q