Having trouble installing or updating Magento with PHP 5.6? Does Magento 2 throw an error about
always_populate_raw_post_data being set to
0? Then read on, because here is how to fix upgrades to Magento 2.0 in PHP 5.6.
Magento 2.0 & PHP always_populate_raw_post_data ($HTTP_RAW_POST_DATA) #
Magento 2.0 requires PHP’s
always_populate_raw_post_data to be disabled, or set to
-1 in your php.ini file. Since PHP 5.6, the use of
$HTTP_RAW_POST_DATA is deprecated and will be removed in PHP 7.0. However, in PHP 5.6, this setting is commented out, making it equal to 0, not -1.
This causes errors when you try to install, or update to, Magento 2.0.
The PHP always_populate_raw_post_data setting will let PHP always populate the $HTTP_RAW_POST_DATA containing the raw POST data, if set to true (
1). Otherwise, the variable is populated only when the MIME type of the data is unrecognized.
Magento 2.0 PHP Settings Check #
And this is where Magento goes wrong… Well, in my opinion Magento goes wrong by quitting the installer. The error should only be thrown when both
display_startup_errors are enabled in your PHP configuration. On my production servers, they’re disabled. The Magento 2.0 PHP settings check will complain, throwing the following error message:
Your PHP Version is 5.6.15, but always_populate_raw_post_data = 0. $HTTP_RAW_POST_DATA is deprecated from PHP 5.6 onwards and will be removed in PHP 7.0. This will stop the installer from running. Please open your php.ini file and set always_populate_raw_post_data to -1. If you need more help please call your hosting provider.
PHP Settings Check, the quick fix for Magento #
Here is how you can quickly fix Magento’s
always_populate_raw_post_data = 0 error with PHP 5.6.x: upload a
user defined ini-file, or a .user.ini file, to your website’s root folder. It has to contain the following setting:
always_populate_raw_post_data = -1
This will set the always_populate_raw_post_data value to how it is supposed to be:
-1. For your Magento website only. The directive is a PHP_INI_PERDIR and PHP_INI_ALL setting, meaning you can set it anywhere. If you are a server administrator, make the change to your
php.ini file; automatically populating $HTTP_RAW_POST_DATA is removed in PHP 7.0.0 and deprecated in PHP 5.6.
If set to TRUE, PHP will always populate the
$HTTP_RAW_POST_DATAcontaining the raw POST data. Otherwise, the variable is populated only when the MIME type of the data is unrecognised.
The preferred method for accessing raw POST data is
$HTTP_RAW_POST_DATAis deprecated in PHP 5.6.0 onwards. Setting
always_populate_raw_post_datato -1 will opt into the new behaviour that will be implemented in a future version of PHP, in which
$HTTP_RAW_POST_DATAis never defined.
Regardless of the setting, $
HTTP_RAW_POST_DATAis not available with enctype=”multipart/form-data”.
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