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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 |
---|---|
1475 | * Filters the path for a specific filesystem method class file. |
1476 | * |
1477 | * @since 2.6.0 |
1478 | * |
1479 | * @see get_filesystem_method() |
1480 | * |
1481 | * @param string $path Path to the specific filesystem method class file. |
1482 | * @param string $method The filesystem method to use. |
1483 | */ |
1484 | $abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method ); |
1485 |
|
1486 | if ( ! file_exists( $abstraction_file ) ) { |
1487 | return; |
1488 | } |
1489 |
|
1490 | require_once( $abstraction_file ); |
1491 | } |
1492 | $method = "WP_Filesystem_$method"; |
1493 |
|