php_ini_scanned_files()
php_ini_scanned_files() — Return a list of .ini files parsed from the additional ini dir.
Built-in function of PHP 8.5. The manual lists it as available in PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
php_ini_scanned_files() returns a comma-separated list of configuration files parsed after php.ini. The directories searched are set by a compile time option and, optionally, by an environment variable at run time: more information can be found in the installation guide.
Signature
php_ini_scanned_files(): string|false
Parameters
This function takes no parameters.
Return value
Returns a comma-separated string of .ini files on success. Each comma is followed by a newline. If the configure directive --with-config-file-scan-dir wasn't set and the PHP_INI_SCAN_DIR environment variable isn't set, false is returned. If it was set and the directory was empty, an empty string is returned. If a file is unrecognizable, the file will still make it into the returned string but a PHP error will also result. This PHP error will be seen both at compile time and while using php_ini_scanned_files().
Example
A runnable snippet:
if ($filelist = php_ini_scanned_files()) { if (strlen($filelist) > 0) { $files = explode(',', $filelist); foreach ($files as $file) { echo "<li>" . trim($file) . "</li>\n"; } } }
See also
ini_set(), phpinfo(), php_ini_loaded_file()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page php_ini_scanned_files() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.