3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3,4,5,6,7,8,9,10,11,12]; function getIndexTranslator($list, $numColumns) { $numRows = ceil(count($list)/$numColumns); return function($x) use ($list, $numColumns, $numRows){ return ($x % $numColumns) * $numRows + floor($x / $numColumns); }; } $transformer = getIndexTranslator($arr, 4); for($x = 0; $x < count($arr); $x++){ echo $arr[$transformer($x)], $x % 4 == 3?"\n":" "; }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2
1 4 7 10 2 5 8 11 3 6 9 12
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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