wordpress - How do I dynamically add some piece of php code to an exact position in page before it is returned to the browser? -

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i need add piece of code right before wp_head(); call using php because code has execute server side. hooking code wp_head(); not work. need add right before. here php code added.

gravity_form_enqueue_scripts(1,true);

here code needs inserted:

<?php  /* add javascript pages comment form  * support sites threaded comments (when in use).  */ if ( is_singular() && get_option( 'thread_comments' ) )     wp_enqueue_script( 'comment-reply' );  /* have wp_head() before closing </head>  * tag of theme, or break many plugins,  * use hook add elements <head> such  * styles, scripts, , meta tags.  */  gravity_form_enqueue_scripts(1,true);  wp_head(); ?>

the code should not show on return browser. how add php snippet exact location dynamically?

i needed :

add_action('wp', 'gforms_add_before_wp_head');

not

add_action('wp_head', 'gforms_add_before_wp_head');

i turns out needed find right hook add_action to.


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