Description:
------------
http://se.php.net/manual/en/configuration.changes.php specifies that php_admin_value can not be overridden using ini_set() anymore. When was this changed? This was not so in the past and a version indication would be good to have. (It appears that the behavior has indeed changed.)

Also, nothing is mentioned regarding ini_set() used on php_admin_flag directives. Are those also unchangeable? If so, this should be mentioned too, perhaps along with a version indication there too.

Attaching a sample script and settings for testing the behavior.

Test script:
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httpd.conf:

  php_admin_value session.gc_maxlifetime 3600
  php_admin_value session.gc_probability 1

Test script:

<?php

  $varname = 'session.gc_probability';
  $value = 100;

  $blnResult = ini_set($varname, $value);
  if (empty($blnResult) or (!$blnResult)) {
    echo "setting $varname could not be set, current value is " . ini_get($varname) . " and desired value is $value";
  } else {
    echo "Setting updated -- old value $blnResult, desired value $value and new value " . ini_get($varname);
  }

?>

Expected result:
----------------
Setting updated -- old value 1, desired value 100 and new value 100

Actual result:
--------------
setting session.gc_probability could not be set, current value is 1 and desired value is 100