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ReflectionClass::isIterable

(PHP 7 >= 7.2.0, PHP 8)

ReflectionClass::isIterable — Check whether this class is iterable

Description

public ReflectionClass::isIterable(): bool

Parameters

This function has no parameters.

Return Values

Returns [true](reserved.constants.php#constant.true) on success or [false](reserved.constants.php#constant.false) on failure.

Examples

Example #1 Basic ReflectionClass::isIterable() Usage

`<?phpclass IteratorClass implements Iterator {
public function __construct() { }
public function key() { }
public function current() { }
function next() { }
function valid() { }
function rewind() { }
}
class DerivedClass extends IteratorClass { }
class NonIterator { }

function

dump_iterable($class) { reflection=newReflectionClass(reflection = new ReflectionClass(reflection=newReflectionClass(class);
var_dump($reflection->isIterable());
}$classes = array("ArrayObject", "IteratorClass", "DerivedClass", "NonIterator");

foreach ( classesasclasses as classesasclass) {
echo "Is $class iterable? ";
dump_iterable($class);
}
?>`

The above example will output:

Is ArrayObject iterable? bool(true) Is IteratorClass iterable? bool(true) Is DerivedClass iterable? bool(true) Is NonIterator iterable? bool(false)

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