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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 |
|---|---|
| 157 | * @param int $id The attachment ID. |
| 158 | * @param string $caption The image caption. |
| 159 | * @param string $title The image title. |
| 160 | * @param string $align The image alignment. |
| 161 | * @param string $url The image source URL. |
| 162 | * @param string|array $size Size of image. Image size or array of width and height values |
| 163 | * (in that order). Default 'medium'. |
| 164 | * @param string $alt The image alternative, or alt, text. |
| 165 | */ |
| 166 | $html = apply_filters( 'image_send_to_editor', $html, $id, $caption, $title, $align, $url, $size, $alt ); |
| 167 | |
| 168 | return $html; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Adds image shortcode with caption to editor. |
| 173 | * |
| 174 | * @since 2.6.0 |
| 175 | * |