PHP: Hypertext Preprocessor (original) (raw)
ReflectionFunctionAbstract::getNumberOfParameters
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
ReflectionFunctionAbstract::getNumberOfParameters — Gets number of parameters
Description
public ReflectionFunctionAbstract::getNumberOfParameters(): int
Parameters
This function has no parameters.
Return Values
The number of parameters.
See Also
- ReflectionFunctionAbstract::getNumberOfRequiredParameters() - Gets number of required parameters
- func_num_args() - Returns the number of arguments passed to the function
Found A Problem?
15 years ago
`Working on a new MVC Application Framework i use this method to check how many arguments are required before calling the sub method!
Example
this−>methodargscount=this->method_args_count = this−>methodargscount=this->CReflection ->getMethod($Route->getMethod()) ->getNumberOfParameters(); //Maybe be 5 but if uri is /controller/method/single_param/ we only of 1 this−>params=this->params = this−>params=Route->getParams(); //0 in some casesif($this->method_args_count > count($this->params)) { this−>difference=(this->difference = (this−>difference=(this->method_args_count - count($this->params)); for($i=0;$i<=$this->difference;$i++) { $this->params[] = false; } }//Call the method with correct amount of params // but as false for params that have not been passed! call_user_func_array(array(new this−>obj,this->obj,this−>obj,Route->getMethod()),$this->params); ?>`
4 years ago
$reflection = new ReflectionFunction('implode'); echo $reflection->getNumberOfParameters();