3v4l.org

run code in 300+ PHP versions simultaneously
<?php $snubmers = array(); for ( $i = 0; $i < 199; $i++ ) { //$snumber = str_split( substr( md5( $i ), 0, 9 ) ); //$snumber = array_splice( $snumber, 3, 0, '-' ); //$snumbers[] = array_splice( $snumber, 6, 0, '-' ); $snumber = str_split( substr( md5( $i . 'dev' ), 0, 9 ) ); $snumber = array_splice( $snumber, 3, 0, '-' ); $snumbers[] = $snumber; } print_r( $snumbers );

preferences:
41.64 ms | 402 KiB | 5 Q