3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = array("+0100","-0200", "+0000"); $arr = array_map( function($val) { return substr($val, 0, -2); }, $arr); var_dump($arr);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(3) { [0]=> string(3) "+01" [1]=> string(3) "-02" [2]=> string(3) "+00" }

preferences:
98.75 ms | 1519 KiB | 4 Q