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run code in 300+ PHP versions simultaneously
<?php $start= "20:00"; $end = "22:00"; $int = 15; $int *= 60; $start = strtotime($start); $end = strtotime($end); for($i = $start; $i < $end;){ $res[] = date("H:i", $i) . "-" . date("H:i", $i + $int); $i += $int; } var_dump($res);
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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array(8) { [0]=> string(11) "20:00-20:15" [1]=> string(11) "20:15-20:30" [2]=> string(11) "20:30-20:45" [3]=> string(11) "20:45-21:00" [4]=> string(11) "21:00-21:15" [5]=> string(11) "21:15-21:30" [6]=> string(11) "21:30-21:45" [7]=> string(11) "21:45-22:00" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(8) { [0]=> string(11) "20:00-20:15" [1]=> string(11) "20:15-20:30" [2]=> string(11) "20:30-20:45" [3]=> string(11) "20:45-21:00" [4]=> string(11) "21:00-21:15" [5]=> string(11) "21:15-21:30" [6]=> string(11) "21:30-21:45" [7]=> string(11) "21:45-22:00" }

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