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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 |
---|---|
2351 | * |
2352 | * @type string $path Base directory and subdirectory or full path to upload directory. |
2353 | * @type string $url Base URL and subdirectory or absolute URL to upload directory. |
2354 | * @type string $subdir Subdirectory if uploads use year/month folders option is on. |
2355 | * @type string $basedir Path without subdir. |
2356 | * @type string $baseurl URL path without subdir. |
2357 | * @type string|false $error False or error message. |
2358 | * } |
2359 | */ |
2360 | $uploads = apply_filters( 'upload_dir', $cache[ $key ] ); |
2361 |
|
2362 | if ( $create_dir ) { |
2363 | $path = $uploads['path']; |
2364 |
|
2365 | if ( array_key_exists( $path, $tested_paths ) ) { |
2366 | $uploads['error'] = $tested_paths[ $path ]; |
2367 | } else { |
2368 | if ( ! wp_mkdir_p( $path ) ) { |
2369 | if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) { |