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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 |
|---|---|
| 368 | <?php |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * {@internal Missing Short Description}} |
| 373 | * |
| 374 | * @since 2.5.0 |
| 375 | */ |
| 376 | function media_buttons($editor_id = 'content') { |
| 377 | $context = apply_filters('media_buttons_context', __('Upload/Insert %s')); |
| 378 | |
| 379 | $img = '<img src="' . esc_url( admin_url( 'images/media-button.png?ver=20111005' ) ) . '" width="15" height="15" />'; |
| 380 | |
| 381 | echo '<a href="' . esc_url( get_upload_iframe_src() ) . '" class="thickbox add_media" id="' . esc_attr( $editor_id ) . '-add_media" title="' . esc_attr__( 'Add Media' ) . '" onclick="return false;">' . sprintf( $context, $img ) . '</a>'; |
| 382 | } |
| 383 | add_action( 'media_buttons', 'media_buttons' ); |
| 384 | |
| 385 | function _media_button($title, $icon, $type, $id) { |
| 386 | return "<a href='" . esc_url( get_upload_iframe_src($type) ) . "' id='{$id}-add_{$type}' class='thickbox add_$type' title='" . esc_attr( $title ) . "'><img src='" . esc_url( admin_url( $icon ) ) . "' alt='$title' onclick='return false;' /></a>"; |