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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 |
---|---|
1068 | * @param string $type Chosen type of filesystem. |
1069 | * @param bool $error Whether the current request has failed to connect. |
1070 | * Default false. |
1071 | * @param string $context Full path to the directory that is tested for |
1072 | * being writable. |
1073 | * @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable. |
1074 | * Default false. |
1075 | * @param array $extra_fields Extra POST fields. |
1076 | */ |
1077 | $req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields, $allow_relaxed_file_ownership ); |
1078 | if ( '' !== $req_cred ) |
1079 | return $req_cred; |
1080 |
|
1081 | if ( empty($type) ) { |
1082 | $type = get_filesystem_method( array(), $context, $allow_relaxed_file_ownership ); |
1083 | } |
1084 |
|
1085 | if ( 'direct' == $type ) |
1086 | return true; |