3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mac = '00:15 :65:3D:E5:BC'; //$mac = strtoupper(str_replace(" \t\n\r\0\x0B-:.", "", $mac)); $mac = strtoupper(preg_replace("/[\s-:.]*/",'', $mac)); echo $mac;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: preg_replace(): Compilation failed: invalid range in character class at offset 3 in /in/ZgJi4 on line 4 Deprecated: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ZgJi4 on line 4
Output for 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Warning: preg_replace(): Compilation failed: invalid range in character class at offset 3 in /in/ZgJi4 on line 4
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33
0015653DE5BC
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250.16 ms | 404 KiB | 352 Q