ReflectionClass::isInternalReflectionClass::isIterateable
(PHP 5)
ReflectionClass::isIterateable — Checks if iterateable
説明
public bool ReflectionClass::isIterateable
( void
)
Checks whether the class is iterateable.
パラメータ
この関数にはパラメータはありません。
返り値
成功した場合に TRUE を、失敗した場合に FALSE を返します。
例
例1 ReflectionClass::isIterateable example
<?php
class 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_iterateable($class) {
$reflection = new ReflectionClass($class);
var_dump($reflection->isIterateable());
}
$classes = array("ArrayObject", "IteratorClass", "DerivedClass", "NonIterator");
foreach ($classes as $class) {
echo "Is $class iterateable? ";
dump_iterateable($class);
}
?>
上の例の出力は以下となります。
Is ArrayObject iterateable? bool(true) Is IteratorClass iterateable? bool(true) Is DerivedClass iterateable? bool(true) Is NonIterator iterateable? bool(false)
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