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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 |
|---|---|
| 622 | /** |
| 623 | * Filters the current image being loaded for editing. |
| 624 | * |
| 625 | * @since 2.9.0 |
| 626 | * |
| 627 | * @param resource $image Current image. |
| 628 | * @param string $attachment_id Attachment ID. |
| 629 | * @param string $size Image size. |
| 630 | */ |
| 631 | $image = apply_filters( 'load_image_to_edit', $image, $attachment_id, $size ); |
| 632 | if ( function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) { |
| 633 | imagealphablending( $image, false ); |
| 634 | imagesavealpha( $image, true ); |
| 635 | } |
| 636 | } |
| 637 | return $image; |
| 638 | } |
| 639 | |
| 640 | /** |