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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 |
|---|---|
| 51 | function get_image_send_to_editor($id, $alt, $title, $align, $url='', $rel = false, $size='medium') { |
| 52 | |
| 53 | $html = get_image_tag($id, $alt, $title, $align, $size); |
| 54 | |
| 55 | $rel = $rel ? ' rel="attachment wp-att-'.attribute_escape($id).'"' : ''; |
| 56 | |
| 57 | if ( $url ) |
| 58 | $html = "<a href='".attribute_escape($url)."'$rel>$html</a>"; |
| 59 | |
| 60 | $html = apply_filters( 'image_send_to_editor', $html, $id, $alt, $title, $align, $url ); |
| 61 | |
| 62 | return $html; |
| 63 | } |
| 64 | |
| 65 | function media_send_to_editor($html) { |
| 66 | ?> |
| 67 | <script type="text/javascript"> |
| 68 | <!-- |
| 69 | top.send_to_editor('<?php echo addslashes($html); ?>'); |