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run code in 150+ php & hhvm versions
Bugs & Features
<?php $snubmers = array(); for ( $i = 0; $i < 199; $i++ ) { $snumber = substr( md5( $i ), 0, 9 ); $snumber = array_splice( $snumber, 3, 0, '-' ); $snumbers[] = array_splice( $snumber, 6, 0, '-' ); } print_r( $snumbers );