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<?php $roots = array('/www/dev/sites/www.fred-4.com', '/www/dev/sites/www.fred-4.com-master'); foreach ($roots as $root) { $key = substr($root, strpos($root, '.com'), 0, 1); echo $root . " -> " . $key . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: substr() expects at most 3 arguments, 4 given in /in/lSQXu:8 Stack trace: #0 /in/lSQXu(8): substr('/www/dev/sites/...', 25, 0, 1) #1 {main} thrown in /in/lSQXu on line 8
Process exited with code 255.

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