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is there any way to add some php code on top in header.php file, i want to add ob_start(); function in my theme header.php file using plugin.

i used the following code but it not working

add_action( 'wp_head', function(){ 
echo "<?php ob_start(); ?>"
}
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Looks like just syntax:

add_action( 'wp_head', function(){ 
    ob_start();
}
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  • This code is not working on live, only work on localhost @Aniruddha
    – Arun Kumar
    Feb 7 '17 at 7:17
  • This is something to do with PHP settings on your live. Make sure your output buffering is on. I would suggest to go through documentation of ob_start() Feb 7 '17 at 7:28

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