Source View: admin_head_{$content_func}

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
495       * (pre-3.5.0) media upload popup.
496       *
497       * The dynamic portion of the hook, `$content_func`, refers to the form
498       * callback for the media upload type. Possible values include
499       * 'media_upload_type_form', 'media_upload_type_url_form', and
500       * 'media_upload_library_form'.
501       *
502       * @since 2.5.0
503       */
504      do_action( "admin_head_{$content_func}" );
505 }
506 ?>
507 </head>
508 <body<?php if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?> class="wp-core-ui no-js">
509 <script type="text/javascript">
510 document.body.className = document.body.className.replace('no-js', 'js');
511 </script>
512 <?php
513      $args = func_get_args();