#!/usr/bin/env php
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<b>Warning</b>:  Undefined variable $argv in <b>/var/www/illumine/vendor/sabre/event/examples/tail.php</b> on line <b>14</b><br />
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<b>Warning</b>:  Trying to access array offset on value of type null in <b>/var/www/illumine/vendor/sabre/event/examples/tail.php</b> on line <b>14</b><br />
Usage:  filename