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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 |
---|---|
834 | * Filter the path for a specific filesystem method class file. |
835 | * |
836 | * @since 2.6.0 |
837 | * |
838 | * @see get_filesystem_method() |
839 | * |
840 | * @param string $path Path to the specific filesystem method class file. |
841 | * @param string $method The filesystem method to use. |
842 | */ |
843 | $abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method ); |
844 |
|
845 | if ( ! file_exists($abstraction_file) ) |
846 | return; |
847 |
|
848 | require_once($abstraction_file); |
849 | } |
850 | $method = "WP_Filesystem_$method"; |
851 |
|
852 | $wp_filesystem = new $method($args); |