114      * @param string       $prefix  The prefix
118     public function add($prefix, $paths, $prepend = false)  argument
120         if (!$prefix) {
136         $first = $prefix[0];
137         if (!isset($this->prefixesPsr0[$first][$prefix])) {
138             $this->prefixesPsr0[$first][$prefix] = (array) $paths;
143             $this->prefixesPsr0[$first][$prefix] = array_merge(
145                 $this->prefixesPsr0[$first][$prefix]
148             $this->prefixesPsr0[$first][$prefix] = array_merge(
149                 $this->prefixesPsr0[$first][$prefix],
159      * @param string       $prefix  The prefix/namespace, with trailing '\\'
165     public function addPsr4($prefix, $paths, $prepend = false)  argument
167         if (!$prefix) {
180         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
182             $length = strlen($prefix);
183             if ('\\' !== $prefix[$length - 1]) {
186             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
187             $this->prefixDirsPsr4[$prefix] = (array) $paths;
190             $this->prefixDirsPsr4[$prefix] = array_merge(
192                 $this->prefixDirsPsr4[$prefix]
196             $this->prefixDirsPsr4[$prefix] = array_merge(
197                 $this->prefixDirsPsr4[$prefix],
207      * @param string       $prefix The prefix
210     public function set($prefix, $paths)  argument
212         if (!$prefix) {
215             $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
223      * @param string       $prefix The prefix/namespace, with trailing '\\'
228     public function setPsr4($prefix, $paths)  argument
230         if (!$prefix) {
233             $length = strlen($prefix);
234             if ('\\' !== $prefix[$length - 1]) {
237             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
238             $this->prefixDirsPsr4[$prefix] = (array) $paths;
442             foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
443                 if (0 === strpos($class, $prefix)) {