parse_ini_file
(PHP 4, PHP 5, PHP 7)
parse_ini_file — Parse a configuration file
Description
$filename
[, bool $process_sections = FALSE
[, int $scanner_mode = INI_SCANNER_NORMAL
]] ) : array
parse_ini_file() loads in the
ini file specified in filename,
and returns the settings in it in an associative array.
The structure of the ini file is the same as the php.ini's.
Parameters
-
filename -
The filename of the ini file being parsed.
-
process_sections -
By setting the
process_sectionsparameter toTRUE, you get a multidimensional array, with the section names and settings included. The default forprocess_sectionsisFALSE -
scanner_mode -
Can either be
INI_SCANNER_NORMAL(default) orINI_SCANNER_RAW. IfINI_SCANNER_RAWis supplied, then option values will not be parsed.As of PHP 5.6.1 can also be specified as
INI_SCANNER_TYPED. In this mode boolean, null and integer types are preserved when possible. String values "true", "on" and "yes" are converted toTRUE. "false", "off", "no" and "none" are consideredFALSE. "null" is converted toNULLin typed mode. Also, all numeric strings are converted to integer type if it is possible.
Changelog
| Version | Description |
|---|---|
| 7.0.0 | Hash marks (#) are no longer recognized as comments. |
| 5.6.1 |
Added new INI_SCANNER_TYPED mode.
|
| 5.3.0 |
Added optional scanner_mode parameter.
Single quotes may now be used around variable assignments.
Hash marks (#) should no longer be used as comments
and will throw a deprecation warning if used.
|
| 5.2.7 |
On syntax error this function will return FALSE rather than an empty
array.
|
| 5.2.4 | Keys and section names consisting of numbers are now evaluated as PHP integers thus numbers starting by 0 are evaluated as octals and numbers starting by 0x are evaluated as hexadecimals. |
Examples
Example #1 Contents of sample.ini
; This is a sample configuration file ; Comments start with ';', as in php.ini [first_section] one = 1 five = 5 animal = BIRD [second_section] path = "/usr/local/bin" URL = "http://www.example.com/~username" [third_section] phpversion[] = "5.0" phpversion[] = "5.1" phpversion[] = "5.2" phpversion[] = "5.3" urls[svn] = "http://svn.php.net" urls[git] = "http://git.php.net"
Example #2 parse_ini_file() example
Constants may also be parsed in the ini file so if you define a constant as an ini value before running parse_ini_file(), it will be integrated into the results. Only ini values are evaluated. For example:
<?php
define('BIRD', 'Dodo bird');
// Parse without sections
$ini_array = parse_ini_file("sample.ini");
print_r($ini_array);
// Parse with sections
$ini_array = parse_ini_file("sample.ini", true);
print_r($ini_array);
?>
The above example will output something similar to:
Array
(
[one] => 1
[five] => 5
[animal] => Dodo bird
[path] => /usr/local/bin
[URL] => http://www.example.com/~username
[phpversion] => Array
(
[0] => 5.0
[1] => 5.1
[2] => 5.2
[3] => 5.3
)
[urls] => Array
(
[svn] => http://svn.php.net
[git] => http://git.php.net
)
)
Array
(
[first_section] => Array
(
[one] => 1
[five] => 5
[animal] => Dodo bird
)
[second_section] => Array
(
[path] => /usr/local/bin
[URL] => http://www.example.com/~username
)
[third_section] => Array
(
[phpversion] => Array
(
[0] => 5.0
[1] => 5.1
[2] => 5.2
[3] => 5.3
)
[urls] => Array
(
[svn] => http://svn.php.net
[git] => http://git.php.net
)
)
)
Example #3 parse_ini_file() parsing a php.ini file
<?php
// A simple function used for comparing the results below
function yesno($expression)
{
return($expression ? 'Yes' : 'No');
}
// Get the path to php.ini using the php_ini_loaded_file()
// function available as of PHP 5.2.4
$ini_path = php_ini_loaded_file();
// Parse php.ini
$ini = parse_ini_file($ini_path);
// Print and compare the values, note that using get_cfg_var()
// will give the same results for parsed and loaded here
echo '(parsed) magic_quotes_gpc = ' . yesno($ini['magic_quotes_gpc']) . PHP_EOL;
echo '(loaded) magic_quotes_gpc = ' . yesno(get_cfg_var('magic_quotes_gpc')) . PHP_EOL;
?>
The above example will output something similar to:
(parsed) magic_quotes_gpc = Yes (loaded) magic_quotes_gpc = Yes
Notes
Note:
This function has nothing to do with the php.ini file. It is already processed by the time you run your script. This function can be used to read in your own application's configuration files.
Note:
If a value in the ini file contains any non-alphanumeric characters it needs to be enclosed in double-quotes (").
Note: There are reserved words which must not be used as keys for ini files. These include: null, yes, no, true, false, on, off, none. Values null, off, no and false result in "", and values on, yes and true result in "1", unless
INI_SCANNER_TYPEDmode is used (as of PHP 5.6.1). Characters ?{}|&~!()^" must not be used anywhere in the key and have a special meaning in the value.
Note:
Entries without an equal sign are ignored. For example, "foo" is ignored whereas "bar =" is parsed and added with an empty value. For example, MySQL has a "no-auto-rehash" setting in my.cnf that does not take a value, so it is ignored.
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Document heeft de 30/01/2003 gemaakt, de laatste keer de 26/10/2018 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/php-rf-function.parse-ini-file.html
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