PHP | ReflectionClass isIterateable() Function

The ReflectionClass::isIterateable() function is an inbuilt function in PHP which is used to check if the defined class is iterateable or not.

Syntax:

bool ReflectionClass::isIterateable()

Parameters: This function does not accept any parameter.

Return Value: This function returns TRUE if the defined class is iterateable, otherwise FALSE.

Below programs illustrate the ReflectionClass::isIterateable() function in PHP:
Program 1:



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<?php
  
// Creating an iterating class p
class p implements Iterator {
    public function rewind() {}
    public function next() {}
    public function valid() {}
    public function current() {}
    public function key() {}
}
  
// Using ReflectionClass() over the 
// class p
$class = new ReflectionClass('p');
  
// Calling the isIterateable() function
$A = $class->isIterateable();
  
// Getting the value true or false
var_dump($A);
?>

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Output:

bool(true)

Program 2:

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<?php
  
// Creating an iterating class p
class p {
    public function getIterator() {}
}
  
// Using ReflectionClass() over the 
// class p
$class = new ReflectionClass('p');
  
// Calling the isIterateable() function
$A = $class->isIterateable();
  
// Getting the value true or false
var_dump($A);
?>

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Output:

bool(false)

Reference: https://www.php.net/manual/en/reflectionclass.isiterateable.php




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