ini_get_all
(PHP 4 >= 4.2.0, PHP 5)
ini_get_all — Gets all configuration options
Description
$extension
[, bool $details = true
]] )Returns all the registered configuration options.
Parameters
-
extension -
An optional extension name. If set, the function return only options specific for that extension.
-
details -
Retrieve details settings or only the current value for each setting. Default is
TRUE(retrieve details).
Return Values
Returns an associative array with directive name as the array key.
When details is TRUE (default) the array will
contain global_value (set in
php.ini), local_value (perhaps set with
ini_set() or .htaccess), and
access (the access level).
When details is FALSE the value will be the
current value of the option.
See the manual section 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.
Changelog
| Version | Description |
|---|---|
| 5.3.0 |
Added details.
|
Examples
Example #1 ini_get_all() examples
<?php
print_r(ini_get_all("pcre"));
print_r(ini_get_all());
?>
The above example will output something similar to:
Array
(
[pcre.backtrack_limit] => Array
(
[global_value] => 100000
[local_value] => 100000
[access] => 7
)
[pcre.recursion_limit] => Array
(
[global_value] => 100000
[local_value] => 100000
[access] => 7
)
)
Array
(
[allow_call_time_pass_reference] => Array
(
[global_value] => 0
[local_value] => 0
[access] => 6
)
[allow_url_fopen] => Array
(
[global_value] => 1
[local_value] => 1
[access] => 4
)
...
)
Example #2 Disabling details
<?php
print_r(ini_get_all("pcre", false)); // Added in PHP 5.3.0
print_r(ini_get_all(null, false)); // Added in PHP 5.3.0
?>
The above example will output something similar to:
Array
(
[pcre.backtrack_limit] => 100000
[pcre.recursion_limit] => 100000
)
Array
(
[allow_call_time_pass_reference] => 0
[allow_url_fopen] => 1
...
)
See Also
- How to change configuration settings
- ini_get() - Gets the value of a configuration option
- ini_restore() - Restores the value of a configuration option
- ini_set() - Sets the value of a configuration option
- get_loaded_extensions() - Returns an array with the names of all modules compiled and loaded
- phpinfo() - Outputs information about PHP's configuration
- ReflectionExtension::getINIEntries() - Gets extension ini entries
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Коментарии
I guess the third entry is the required access level (to change this variable at runtime):
Constant Value Meaning
PHP_INI_USER 1 Entry can be set in user scripts
PHP_INI_PERDIR 2 Entry can be set in php.ini, .htaccess or httpd.conf
PHP_INI_SYSTEM 4 Entry can be set in php.ini or httpd.conf
PHP_INI_ALL 7 Entry can be set anywhere
See also the docs for ini_set()
Hugo.
Since a certain PHP version (I think it's 5.2.5) it is no longer possible to override INI entrys set with php_admin_* in httpd.conf. The access level will be set to 4 (PHP_INI_SYSTEM), which is also returned by this function.
The constants mentioned below are available in PHP, but without the prefix (e.g. INI_USER, INI_PERDIR).
You can use the following snippet on servers to grab the live/staging configs in order to be able to replicate those in your development environment. (I use `php -a` for this)<?php
foreach (ini_get_all(null, false) as $key => $value) echo "$key=$value;\n";
?>
echo recreate_php_ini();
/**
* Sample function to re-create a php ini config file.
*
* @return string
*/
function recreate_php_ini() {
$a = ini_get_all();
$data = [];
foreach (array_keys($a) as $k) {
$ss = split("\.", $k);
if (count($ss) == 1) {
$sec = "PHP";
$v = $k;
} else {
$sec = $ss[0];
$v = $ss[1];
}
$data[$sec][$v] = $a[$k]['global_value'];
}
ksort($data);
$out = "";
foreach ($data as $sec => $data) {
$out .= "[$sec]\n";
ksort($data);
foreach ($data as $k => $v) {
if (is_numeric($v)) {
$out .= sprintf("%-40s = %s\n", $k, $v);
} else {
$out .= sprintf("%-40s = \"%s\"\n", $k, $v);
}
}
$out .= "\n";
}
return $out;
}
If you want to load and parse your own ini file, have a look at parse_ini_file() function. Example:
<?php
// ...
$my_data = parse_ini_file($my_file, true);