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@ 2021-11-18T13:32:38Z

<?php

$foo = 'bar';
$newFoo = "(FILENAME='C:\\folder\\{$foo}.txt')";
var_dump($newFoo);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

25.23 ms | 404 KiB | 5 Q