public function findFile($class)
    {
        $class = Normalizer::ns($class, false);
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        $index = substr($class, 0, 4);
        if (isset($this->indexes[$index])) {
            $namespace = $class;
            while (false !== $pos = strrpos($namespace, '\\')) {
                $namespace = substr($class, 0, $pos + 1);
                if (! isset($this->paths[$namespace])) {
                    $namespace = rtrim($namespace, '\\');
                    continue;
                }
                $subclass = substr($class, $pos + 1);
                $subpath  = Normalizer::path($subclass, false) . '.php';
                foreach ($this->paths[$namespace] as $dir) {
                    $path = $dir . $subpath;
                    if (is_readable($path)) {
                        if ($this->classRegistration) {
                            $this->classMap[$class] = $path;
                        }

                        return $path;
                    }
                }
                $namespace = rtrim($namespace, '\\');
            }
        }

        if ($this->classRegistration) {
            $this->classMap[$class] = false;
        }

        return false;
    }
public function findFile($class)
    {
        $class = Normalizer::ns($class, false);
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        $index = substr($class, 0, 4);
        if (isset($this->indexes[$index])) {
            $namespace = $class;
            while (false !== $pos = strrpos($namespace, '\\')) {
                $namespace = substr($class, 0, $pos + 1);
                if (! isset($this->paths[$namespace])) {
                    $namespace = rtrim($namespace, '\\');
                    continue;
                }
                $subclass = substr($class, $pos + 1);
                $subpath  = Normalizer::path($subclass, false) . '.php';
                foreach ($this->paths[$namespace] as $dir) {
                    $path = $dir . $subpath;
                    if (is_readable($path)) {
                        if ($this->classRegistration) {
                            $this->classMap[$class] = $path;
                        }

                        return $path;
                    }
                }
                $namespace = rtrim($namespace, '\\');
            }
        }

        if ($this->classRegistration) {
            $this->classMap[$class] = false;
        }

        return false;
    }
public function findFile ( $ class ) { $ class = Normalizer :: ns ( $ class , false ) ; if ( isset ( $ this -> classMap [ $ class ] ) ) { return $ this -> classMap [ $ class ] ; } $ index = substr ( $ class , 0 , 4 ) ; if ( isset ( $ this -> indexes [ $ index ] ) ) { $ namespace = $ class ; while ( false !== $ pos = strrpos ( $ namespace , '\\' ) ) { $ namespace = substr ( $ class , 0 , $ pos + 1 ) ; if ( ! isset ( $ this -> paths [ $ namespace ] ) ) { $ namespace = rtrim ( $ namespace , '\\' ) ; continue ; } $ subclass = substr ( $ class , $ pos + 1 ) ; $ subpath = Normalizer :: path ( $ subclass , false ) . '.php' ; foreach ( $ this -> paths [ $ namespace ] as $ dir ) { $ path = $ dir . $ subpath ; if ( is_readable ( $ path ) ) { if ( $ this -> classRegistration ) { $ this -> classMap [ $ class ] = $ path ; } return $ path ; } } $ namespace = rtrim ( $ namespace , '\\' ) ; } } if ( $ this -> classRegistration ) { $ this -> classMap [ $ class ] = false ; } return false ; }
Finds the path to the file, that contains the specified class.

@param string $class The fully-qualified class name

@return string|false The path if found, false otherwise
Finds the path to the file that contains the specified class .