PHP ini_get_all function

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ini_get_all

(PHP 4 >= 4.2.0, PHP 5)

Returns all the registered configuration options.

An optional extension name. If set, the function return only options
specific for that extension.

Returns an associative array uses the directive name as the array key,
with elements of that array being global_value (set in
php.ini), local_value (perhaps set with
ini_set() or .htaccess), and
access (the access level). See the manual section
on configuration changes
for information on what access levels mean.

Note:
It’s possible for a directive to have multiple access levels, which is
why access shows the appropriate bitmask values.

Example 1. A ini_get_all() example

$inis = ini_get_all();
 
print_r($inis);

The above example will output
something similar to:

…

)