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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 |
---|---|
7172 |
|
7173 | /** |
7174 | * Filters the path to the original image. |
7175 | * |
7176 | * @since 5.3.0 |
7177 | * |
7178 | * @param string $original_image Path to original image file. |
7179 | * @param int $attachment_id Attachment ID. |
7180 | */ |
7181 | return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); |
7182 | } |
7183 |
|
7184 | /** |
7185 | * Retrieve the URL to an original attachment image. |
7186 | * |
7187 | * Similar to `wp_get_attachment_url()` however some images may have been |
7188 | * processed after uploading. In this case this function returns the URL |
7189 | * to the originally uploaded image file. |
7190 | * |