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| <?php | |
| /** | |
| * SplClassLoader implementation that implements the technical interoperability | |
| * standards for PHP 5.3 namespaces and class names. | |
| * | |
| * http://groups.google.com/group/php-standards/web/final-proposal | |
| * | |
| * // Example which loads classes for the Doctrine Common package in the | |
| * // Doctrine\Common namespace. | |
| * $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine'); | |
| * $classLoader->register(); | |
| * | |
| * @author Jonathan H. Wage <[email protected]> | |
| * @author Roman S. Borschel <[email protected]> | |
| * @author Matthew Weier O'Phinney <[email protected]> | |
| * @author Kris Wallsmith <[email protected]> | |
| * @author Fabien Potencier <[email protected]> | |
| */ | |
| class SplClassLoader | |
| { | |
| private $_fileExtension = '.php'; | |
| private $_namespace; | |
| private $_includePath; | |
| private $_namespaceSeparator = '\\'; | |
| /** | |
| * Creates a new <tt>SplClassLoader</tt> that loads classes of the | |
| * specified namespace. | |
| * | |
| * @param string $ns The namespace to use. | |
| */ | |
| public function __construct($ns = null, $includePath = null) | |
| { | |
| $this->_namespace = $ns; | |
| $this->_includePath = $includePath; | |
| } | |
| /** | |
| * Sets the namespace separator used by classes in the namespace of this class loader. | |
| * | |
| * @param string $sep The separator to use. | |
| */ | |
| public function setNamespaceSeparator($sep) | |
| { | |
| $this->_namespaceSeparator = $sep; | |
| } | |
| /** | |
| * Gets the namespace seperator used by classes in the namespace of this class loader. | |
| * | |
| * @return void | |
| */ | |
| public function getNamespaceSeparator() | |
| { | |
| return $this->_namespaceSeparator; | |
| } | |
| /** | |
| * Sets the base include path for all class files in the namespace of this class loader. | |
| * | |
| * @param string $includePath | |
| */ | |
| public function setIncludePath($includePath) | |
| { | |
| $this->_includePath = $includePath; | |
| } | |
| /** | |
| * Gets the base include path for all class files in the namespace of this class loader. | |
| * | |
| * @return string $includePath | |
| */ | |
| public function getIncludePath() | |
| { | |
| return $this->_includePath; | |
| } | |
| /** | |
| * Sets the file extension of class files in the namespace of this class loader. | |
| * | |
| * @param string $fileExtension | |
| */ | |
| public function setFileExtension($fileExtension) | |
| { | |
| $this->_fileExtension = $fileExtension; | |
| } | |
| /** | |
| * Gets the file extension of class files in the namespace of this class loader. | |
| * | |
| * @return string $fileExtension | |
| */ | |
| public function getFileExtension() | |
| { | |
| return $this->_fileExtension; | |
| } | |
| /** | |
| * Installs this class loader on the SPL autoload stack. | |
| */ | |
| public function register() | |
| { | |
| spl_autoload_register(array($this, 'loadClass')); | |
| } | |
| /** | |
| * Uninstalls this class loader from the SPL autoloader stack. | |
| */ | |
| public function unregister() | |
| { | |
| spl_autoload_unregister(array($this, 'loadClass')); | |
| } | |
| /** | |
| * Loads the given class or interface. | |
| * | |
| * @param string $className The name of the class to load. | |
| * @return void | |
| */ | |
| public function loadClass($className) | |
| { | |
| if (null === $this->_namespace || $this->_namespace.$this->_namespaceSeparator === substr($className, 0, strlen($this->_namespace.$this->_namespaceSeparator))) { | |
| $fileName = ''; | |
| $namespace = ''; | |
| if (false !== ($lastNsPos = strripos($className, $this->_namespaceSeparator))) { | |
| $namespace = substr($className, 0, $lastNsPos); | |
| $className = substr($className, $lastNsPos + 1); | |
| $fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR; | |
| } | |
| $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . $this->_fileExtension; | |
| $fullpath = ($this->_includePath !== null ? $this->_includePath . DIRECTORY_SEPARATOR : '') . $fileName; | |
| if(file_exists($fullpath)){ | |
| require_once($fullpath); | |
| return true; | |
| } | |
| return false; | |
| } | |
| } | |
| } |
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This fork includes a check for the file existing in the directory structure. If it's not there it fails silently (allowing other autoloaders a chance to find it).
It also returns true|false as required by the PHP autoloader docs.
It's worth noting that Zend_Loader_Autoloader (as of 1.8.0 at least) works with namespaces and adheres to the PSR-0 convention so you might be better off using this instead.