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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 |
|---|---|
| 385 | /** |
| 386 | * Filter the name of the saved image file. |
| 387 | * |
| 388 | * @since 2.6.0 |
| 389 | * |
| 390 | * @param string $filename Name of the file. |
| 391 | */ |
| 392 | return array( |
| 393 | 'path' => $filename, |
| 394 | 'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ), |
| 395 | 'width' => $this->size['width'], |
| 396 | 'height' => $this->size['height'], |
| 397 | 'mime-type' => $mime_type, |
| 398 | ); |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * Returns stream of current image. |
| 403 | * |