104      * @param string       $prefix  The prefix
108     public function add($prefix, $paths, $prepend = false)  argument
110         if (!$prefix) {
126         $first = $prefix[0];
127         if (!isset($this->prefixesPsr0[$first][$prefix])) {
128             $this->prefixesPsr0[$first][$prefix] = (array) $paths;
133             $this->prefixesPsr0[$first][$prefix] = array_merge(
135                 $this->prefixesPsr0[$first][$prefix]
138             $this->prefixesPsr0[$first][$prefix] = array_merge(
139                 $this->prefixesPsr0[$first][$prefix],
149      * @param string       $prefix  The prefix/namespace, with trailing '\\'
155     public function addPsr4($prefix, $paths, $prepend = false)  argument
157         if (!$prefix) {
170         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
172             $length = strlen($prefix);
173             if ('\\' !== $prefix[$length - 1]) {
176             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
177             $this->prefixDirsPsr4[$prefix] = (array) $paths;
180             $this->prefixDirsPsr4[$prefix] = array_merge(
182                 $this->prefixDirsPsr4[$prefix]
186             $this->prefixDirsPsr4[$prefix] = array_merge(
187                 $this->prefixDirsPsr4[$prefix],
197      * @param string       $prefix The prefix
200     public function set($prefix, $paths)  argument
202         if (!$prefix) {
205             $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
213      * @param string       $prefix The prefix/namespace, with trailing '\\'
218     public function setPsr4($prefix, $paths)  argument
220         if (!$prefix) {
223             $length = strlen($prefix);
224             if ('\\' !== $prefix[$length - 1]) {
227             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
228             $this->prefixDirsPsr4[$prefix] = (array) $paths;
351             foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) {
352                 if (0 === strpos($class, $prefix)) {
353                     foreach ($this->prefixDirsPsr4[$prefix] as $dir) {
380             foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
381                 if (0 === strpos($class, $prefix)) {