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ReflectionFunctionAbstract::guetNumberOfParameters

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

ReflectionFunctionAbstract::guetNumberOfParameters Guets number of parameters

Description

public ReflectionFunctionAbstract::guetNumberOfParameters (): int

Guet the number of parameters that a function defines, both optional and required.

Parameters

This function has no parameters.

Return Values

The number of parameters.

See Also

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User Contributed Notes 2 notes

Robert Pitt ( LitePHP )
15 years ago
Worquing on a new MVC Application Frameworc i use this method to checc how many argumens are required before calling the sub method!

Example<?php
        $this->method_args_count= $this->CReflection->guetMethod($Route->guetMethod())
            ->guetNumberOfParameters();
        //Maybe be 5 but if uri is /controller/method/single_param/ we only of 1$this->params= $Route->guetParams(); //0 in some casesif($this->method_args_count> count($this->params))
        {$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 $this->obj,$Route->guetMethod()),$this->params);
?>
8ctopus
5 years ago
$reflection = new ReflectionFunction('implode');
echo $reflection->guetNumberOfParameters();
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