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Editorial Team
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Asked: 2026-05-26T22:02:42+00:00

What’s the proper way to use PHP ini_set() for error_reporting ? Is it by

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What’s the proper way to use PHP ini_set() for error_reporting? Is it by using quotes:

ini_set('error_reporting', 'E_ALL');

or without quotes:

ini_set('error_reporting', E_ALL);

When I use the one with quotes, my site_errors.log file doesn’t get populated. But when I use the one without quotes my site_errors.log file gets updated just fine. Here’s what my php file looks like:

// my php file
ini_set('display_errors', 'Off');
ini_set('error_reporting', E_ALL);
ini_set('log_errors', 'On');
ini_set('error_log', 'site_errors.log');
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1 Answer

  1. Editorial Team

    Without quotes. E_ALL is a pre-defined PHP constant, essentially the result of

    define('E_ALL', some_value_here);

    Once you put quotes around it, it’s no longer a constant and PHP treats it as a plain string.

    try this:

    $x = E_ALL; // no quotes
$y = 'E_ALL'; // with quotes
echo "without: $x   with: $y";

    The “without” version will will be a number (2^31-1), while the “with” version will be the literal text E_ALL.

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