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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 |
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7458 |
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7459 | /** |
7460 | * Filters the URL to the original attachment image. |
7461 | * |
7462 | * @since 5.3.0 |
7463 | * |
7464 | * @param string $original_image_url URL to original image. |
7465 | * @param int $attachment_id Attachment ID. |
7466 | */ |
7467 | return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); |
7468 | } |
7469 |
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