3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach ( array( 1, 2, 3 ) as $v ) { $hash = strtoupper( substr( md5( $v ), 0, 16 ) ); echo substr( $hash, 0, 4 ) . '-' . substr( $hash, 4, 4 ) . '-'. substr( $hash, 8, 4 ) . "\n"; }

preferences:
48.37 ms | 402 KiB | 5 Q