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<?php function f( $str ){ $l = strlen($str); for( $i = -$l; $i < $l; $i++ ){ $I = abs($i); $s = substr($str,$I); echo str_repeat(',',$I) . strrev($s) . $s . "\n"; } } echo "------------\n"; f(".desserts"); echo "------------\n";
Output for git.master, git.master_jit, rfc.property-hooks
------------ ,,,,,,,,, ,,,,,,,,ss ,,,,,,,stts ,,,,,,strrts ,,,,,streerts ,,,,stresserts ,,,stresssserts ,,stresseesserts ,stresseddesserts stressed..desserts ,stresseddesserts ,,stresseesserts ,,,stresssserts ,,,,stresserts ,,,,,streerts ,,,,,,strrts ,,,,,,,stts ,,,,,,,,ss ------------

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