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run code in 300+ PHP versions simultaneously
<?php $size = 4;//number of inputs $output = []; for($i=1;$i<$size;$i++){ for($j=$i+1;$j<=$size;$j++){ $output[] = "Input: $i-$j \n"; } } echo implode("",$output);
Output for git.master, git.master_jit, rfc.property-hooks
Input: 1-2 Input: 1-3 Input: 1-4 Input: 2-3 Input: 2-4 Input: 3-4

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