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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 |
|---|---|
| 214 | ); |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | // Image sizes. |
| 221 | |
| 222 | /** This filter is documented in wp-admin/includes/media.php */ |
| 223 | $image_size_names = apply_filters( |
| 224 | 'image_size_names_choose', |
| 225 | array( |
| 226 | 'thumbnail' => __( 'Thumbnail' ), |
| 227 | 'medium' => __( 'Medium' ), |
| 228 | 'large' => __( 'Large' ), |
| 229 | 'full' => __( 'Full Size' ), |
| 230 | ) |
| 231 | ); |
| 232 | |