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PHP | ReflectionClass isIterateable() Function

Last Updated : 05 Dec, 2019
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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: php 
<?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);
?>
Output: 
bool(true)
Program 2: php 
<?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);
?>
Output: 
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.isiterateable.php

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