Passing key to add_query_arg function in wordpress

This is my edit link in the template file

$edit_link=add_query_arg( 'ser_edit', $post_id, $edit_link ) ;

      

This is my html code.

 <a href="<?php  print $edit_link;?>"><?php _e('Edit','wpestate');?></a>

      

When I change the first parameter in add_query_arg it works fine, but ser_edit is the correct parameter for this. But it displays blank page when I click edit link in html. I checked the console, no errors. Anyone have an idea?

It displays the correct URL in the browser, but displays a complete blank page. When I change the key parameter, it works fine. So how do you fix this problem?

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try it

if you want to pass one value in arg request

add_query_arg( 'ser_edit',$post_id,get_permalink() ) ;

      



And if you want to pass multiple values ​​in arg request

add_query_arg(array('arg1'=>'value1','arg2'=>'value2'), get_permalink());

      

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