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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 |
|---|---|
| 4136 | |
| 4137 | /** |
| 4138 | * Filters the path to a file in the parent theme. |
| 4139 | * |
| 4140 | * @since 4.7.0 |
| 4141 | * |
| 4142 | * @param string $path The file path. |
| 4143 | * @param string $file The requested file to search for. |
| 4144 | */ |
| 4145 | return apply_filters( 'parent_theme_file_path', $path, $file ); |
| 4146 | } |
| 4147 | |