Author: Elliot Levin (elliotlevin@hotmail.com)
コード例 #1
0
ファイル: Functions.php プロジェクト: timetoogo/pinq
 /**
  * Returns a wrapper function that will allow the function to be called
  * with excessive number of arguments, this is useful for internal function support.
  * Note that references will not be maintained.
  *
  * @param callable $function
  *
  * @return callable
  */
 public static function allowExcessiveArguments(callable $function)
 {
     $reflection = Reflection::fromCallable($function);
     if ($reflection->isUserDefined()) {
         return $function;
     }
     if (Reflection::isVariadic($reflection)) {
         return $function;
     }
     $numberOfArguments = $reflection->getNumberOfParameters();
     $argumentLimiter = function () use($function, $numberOfArguments) {
         return call_user_func_array($function, array_slice(func_get_args(), 0, $numberOfArguments));
     };
     /*
      * If there are default values, just use the default closure to
      * ensure correct default values are used for unsupplied arguments.
      */
     if ($numberOfArguments !== $reflection->getNumberOfRequiredParameters()) {
         return $argumentLimiter;
     }
     /*
      * Micro-optimization: provide simple wrappers for internal functions
      * with simple signatures rather than the more costly argument array slicing.
      */
     switch ($numberOfArguments) {
         case 0:
             return function () use($function) {
                 return $function();
             };
         case 1:
             return function ($a) use($function) {
                 return $function($a);
             };
         case 2:
             return function ($a, $b) use($function) {
                 return $function($a, $b);
             };
         case 3:
             return function ($a, $b, $c) use($function) {
                 return $function($a, $b, $c);
             };
         case 4:
             return function ($a, $b, $c, $d) use($function) {
                 return $function($a, $b, $c, $d);
             };
         default:
             return $argumentLimiter;
     }
 }
コード例 #2
0
 /**
  * @expectedException \Pinq\Parsing\InvalidFunctionException
  */
 public function testFunctionAfterReflectionGetClosure()
 {
     $asClosure = (new \ReflectionFunction(__NAMESPACE__ . '\\funcHelper'))->getClosure();
     $reflection = Reflection::fromCallable($asClosure);
     $this->assertIsFunctionReflection($reflection);
 }