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run code in 300+ PHP versions simultaneously
<?php class Autoloader { private $directory; private $prefix; private $prefixLength; /** * @param string $baseDirectory Base directory where the source files are located. */ public function __construct($baseDirectory = __DIR__) { $this->directory = $baseDirectory; $this->prefix = __NAMESPACE__ . '\\'; $this->prefixLength = strlen($this->prefix); } /** * Registers the autoloader class with the PHP SPL autoloader. * * @param boolean $prepend Prepend the autoloader on the stack instead of appending it. */ public static function register($prepend = false) { spl_autoload_register(array(new self, 'autoload'), true, $prepend); } /** * Loads a class from a file using its fully qualified name. * * @param string $className Fully qualified name of a class. */ public function autoload($className) { if (0 === strpos($className, $this->prefix)) { $parts = explode('\\', substr($className, $this->prefixLength)); $filepath = $this->directory.DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $parts).'.php'; if (is_file($filepath)) { require($filepath); } } } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/a77Uu on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/a77Uu on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/a77Uu on line 4
Process exited with code 255.

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