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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 |
|---|---|
| 1081 | * The filter is evaluated for all image sizes except 'full'. |
| 1082 | * |
| 1083 | * @since 3.1.0 |
| 1084 | * |
| 1085 | * @param string $path Path to the current image. |
| 1086 | * @param int $attachment_id Attachment ID. |
| 1087 | * @param string|int[] $size Requested image size. Can be any registered image size name, or |
| 1088 | * an array of width and height values in pixels (in that order). |
| 1089 | */ |
| 1090 | $filepath = apply_filters( 'load_image_to_edit_filesystempath', $filepath, $attachment_id, $size ); |
| 1091 | } |
| 1092 | } |
| 1093 | } elseif ( function_exists( 'fopen' ) && ini_get( 'allow_url_fopen' ) ) { |
| 1094 | /** |
| 1095 | * Filters the path to an attachment's URL when editing the image. |
| 1096 | * |
| 1097 | * The filter is only evaluated if the file isn't stored locally and `allow_url_fopen` is enabled on the server. |
| 1098 | * |
| 1099 | * @since 3.1.0 |