SimpleXMLElement::__construct
SimpleXMLElement::getDocNamespaces
SimpleXMLElement
PHP Manual

# SimpleXMLElement::count

(PHP 5 >= 5.3.0)

SimpleXMLElement::count — Counts the children of an element

### 説明

integer SimpleXMLElement::count ( void )

This method counts the number of children of an element.

### 返り値

Returns the number of elements of an element.

### 例

例1 Counting the number of children

`<?php
$xml = <<<EOF
<people>
<person name="Person 1">
<child/>
<child/>
<child/>
</person>
<person name="Person 2">
<child/>
<child/>
<child/>
<child/>
<child/>
</person>
</people>
EOF;
$elem = new SimpleXMLElement($xml);
foreach ($elem as $person) {
printf("%s has got %d children.\n", $person['name'], $person->count());
}
?>`

上の例の出力は以下となります。

    Person 1 has got 3 children.
    Person 2 has got 5 children.

### 参考

- SimpleXMLElement::children - 指定したノードの子ノードを見付ける

SimpleXMLElement::__construct
SimpleXMLElement::getDocNamespaces
SimpleXMLElement
PHP Manual