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dg/output detector.php

Created June 20, 2013 18:59
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How can I find out where my output started?
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output detector.php
<?php
ob_start(function($s, $flag) {
if ($flag & PHP_OUTPUT_HANDLER_START) {
$e = new \Exception;
$s = nl2br("Output started here:\n{$e->getTraceAsString()}\n\n") . $s;
}
return $s;
}, 2);
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dg commented Jun 20, 2013

Must be placed on the top of very first PHP file. (But is unable to detect BOM in this file.)

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