105      * @param string       $prefix  The prefix
109     public function add($prefix, $paths, $prepend = false)  argument
111         if (!$prefix) {
127         $first = $prefix[0];
128         if (!isset($this->prefixesPsr0[$first][$prefix])) {
129             $this->prefixesPsr0[$first][$prefix] = (array) $paths;
134             $this->prefixesPsr0[$first][$prefix] = array_merge(
136                 $this->prefixesPsr0[$first][$prefix]
139             $this->prefixesPsr0[$first][$prefix] = array_merge(
140                 $this->prefixesPsr0[$first][$prefix],
150      * @param string       $prefix  The prefix/namespace, with trailing '\\'
156     public function addPsr4($prefix, $paths, $prepend = false)  argument
158         if (!$prefix) {
171         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
173             $length = strlen($prefix);
174             if ('\\' !== $prefix[$length - 1]) {
177             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
178             $this->prefixDirsPsr4[$prefix] = (array) $paths;
181             $this->prefixDirsPsr4[$prefix] = array_merge(
183                 $this->prefixDirsPsr4[$prefix]
187             $this->prefixDirsPsr4[$prefix] = array_merge(
188                 $this->prefixDirsPsr4[$prefix],
198      * @param string       $prefix The prefix
201     public function set($prefix, $paths)  argument
203         if (!$prefix) {
206             $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
214      * @param string       $prefix The prefix/namespace, with trailing '\\'
219     public function setPsr4($prefix, $paths)  argument
221         if (!$prefix) {
224             $length = strlen($prefix);
225             if ('\\' !== $prefix[$length - 1]) {
228             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
229             $this->prefixDirsPsr4[$prefix] = (array) $paths;
410             foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
411                 if (0 === strpos($class, $prefix)) {