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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
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.
Line | Code |
---|---|
504 | global $post; |
505 |
|
506 | if ( empty($post->post_type) || $post->post_type != 'attachment' ) |
507 | return $content; |
508 |
|
509 | $p = '<p class="attachment">'; |
510 | // show the medium sized image representation of the attachment if available, and link to the raw file |
511 | $p .= wp_get_attachment_link(0, 'medium', false); |
512 | $p .= '</p>'; |
513 | $p = apply_filters('prepend_attachment', $p); |
514 |
|
515 | return "$p\n$content"; |
516 | } |
517 |
|
518 | // |
519 | // Misc |
520 | // |
521 |
|
522 | function get_the_password_form() { |