Check if PHP is running in safe mode or not

Lately, I have been playing around with PHP configuration. And I realized that the runtime configurations do not change using ini_set function, if you are running PHP in the safe mode.  A simple check in PHP can tell you this. Notice the code block below and which allows to check this.

<?php
// Check for safe mode
if( ini_get('safe_mode') )
{
  //don't do anything
}else
{
  //change the maximum execution time of
  //a script from 30 seconds to 300 secs
  ini_set('max_execution_time',300);
}
 
?>

Next, time when you are going to change any configuration at runtime, I am sure you want to check this, before you could see that change working.

Hope that helps.