3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = ["1","2","3","4-1","99","1","2","3","4-1","4-2","4-3","99","1","2","3","4-1","4-2","99"]; $values = ["a","b","c","d","x","a1","b1","c1","d1","e","g","x","a2","b2","c2","d2","e","x"]; $new_array = array(); $split_at = "99"; $i = 0; foreach ($keys as $key => $value) { $new_array[$i][$value] =$values[$key]; if($split_at == $value){ $i++; } } print_r($new_array);
Output for 7.0.0 - 7.0.23, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => Array ( [1] => a [2] => b [3] => c [4-1] => d [99] => x ) [1] => Array ( [1] => a1 [2] => b1 [3] => c1 [4-1] => d1 [4-2] => e [4-3] => g [99] => x ) [2] => Array ( [1] => a2 [2] => b2 [3] => c2 [4-1] => d2 [4-2] => e [99] => x ) )
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 ( [0] => Array ( [1] => a [2] => b [3] => c [4-1] => d [99] => x ) [1] => Array ( [1] => a1 [2] => b1 [3] => c1 [4-1] => d1 [4-2] => e [4-3] => g [99] => x ) [2] => Array ( [1] => a2 [2] => b2 [3] => c2 [4-1] => d2 [4-2] => e [99] => x ) )

preferences:
220.79 ms | 403 KiB | 223 Q