3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* * Getting MAC Address using PHP * Md. Nazmul Basher */ ob_start(); // Turn on output buffering system('/sbin/ifconfig | grep HWaddr'); //Execute external program to display output $mycom=ob_get_contents(); // Capture the output into a variable ob_clean(); // Clean (erase) the output buffer echo $mycom;die; $findme = 'Physical'; $pmac = strpos($mycom, $findme); // Find the position of Physical text $mac=substr($mycom,($pmac+36),17); // Get Physical Address echo $mac;
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: system(): Unable to fork [/sbin/ifconfig | grep HWaddr] in /in/F3DPo on line 8
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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1

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314.33 ms | 404 KiB | 460 Q