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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 |
|---|---|
| 555 | /** |
| 556 | * Filter the returned path or URL of the current image. |
| 557 | * |
| 558 | * @since 2.9.0 |
| 559 | * |
| 560 | * @param string|bool $filepath File path or URL to current image, or false. |
| 561 | * @param string $attachment_id Attachment ID. |
| 562 | * @param string $size Size of the image. |
| 563 | */ |
| 564 | return apply_filters( 'load_image_to_edit_path', $filepath, $attachment_id, $size ); |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Copy an existing image file. |
| 569 | * |
| 570 | * @since 3.4.0 |
| 571 | * @access private |
| 572 | * |
| 573 | * @param string $attachment_id Attachment ID. |