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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 |
|---|---|
| 517 | /** |
| 518 | * Filter the returned path or URL of the current image. |
| 519 | * |
| 520 | * @since 2.9.0 |
| 521 | * |
| 522 | * @param string|bool $filepath File path or URL to current image, or false. |
| 523 | * @param string $attachment_id Attachment ID. |
| 524 | * @param string $size Size of the image. |
| 525 | */ |
| 526 | return apply_filters( 'load_image_to_edit_path', $filepath, $attachment_id, $size ); |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Copy an existing image file. |
| 531 | * |
| 532 | * @since 3.4.0 |
| 533 | * @access private |
| 534 | * |
| 535 | * @param string $attachment_id Attachment ID. |