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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 |
|---|---|
| 1019 | * The filter is evaluated for all image sizes except 'full'. |
| 1020 | * |
| 1021 | * @since 3.1.0 |
| 1022 | * |
| 1023 | * @param string $path Path to the current image. |
| 1024 | * @param int $attachment_id Attachment ID. |
| 1025 | * @param string|int[] $size Requested image size. Can be any registered image size name, or |
| 1026 | * an array of width and height values in pixels (in that order). |
| 1027 | */ |
| 1028 | $filepath = apply_filters( 'load_image_to_edit_filesystempath', $filepath, $attachment_id, $size ); |
| 1029 | } |
| 1030 | } |
| 1031 | } elseif ( function_exists( 'fopen' ) && ini_get( 'allow_url_fopen' ) ) { |
| 1032 | /** |
| 1033 | * Filters the path to an attachment's URL when editing the image. |
| 1034 | * |
| 1035 | * The filter is only evaluated if the file isn't stored locally and `allow_url_fopen` is enabled on the server. |
| 1036 | * |
| 1037 | * @since 3.1.0 |