3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php foreach ( array( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ) as $v ) { $hash = strtoupper( substr( md5( $v ), 0, 16 ) ); echo substr( $hash, 0, 4 ) . '-' . substr( $hash, 4, 4 ) . '-'. substr( $hash, 8, 4 ) . "\n"; }
Output for 4.3.0 - 7.1.0
C4CA-4238-A0B9 C81E-728D-9D4C ECCB-C87E-4B5C A87F-F679-A2F3 E4DA-3B7F-BBCE 1679-091C-5A88 8F14-E45F-CEEA C9F0-F895-FB98 45C4-8CCE-2E2D D3D9-4468-02A4