RecursiveRegexIterator::hasChildren

(PHP 5 >= 5.2.0)

RecursiveRegexIterator::hasChildren — Returns whether an iterator can be obtained for the current entry.

说明

public bool RecursiveRegexIterator::hasChildren ( void )

Returns whether an iterator can be obtained for the current entry. This iterator can be obtained via RecursiveRegexIterator::getChildren() .

参数

此函数没有参数。

返回值

Returns TRUE if an iterator can be obtained for the current entry, otherwise returns FALSE .

范例

Example #1 RecursiveRegexIterator::hasChildren() example

  <?php
$rArrayIterator  = new  RecursiveArrayIterator (array( 'test1' , array( 'tet3' ,  'test4' ,  'test5' )));
 $rRegexIterator  = new  RecursiveRegexIterator ( $rArrayIterator ,  '/^test/' ,
     RecursiveRegexIterator :: ALL_MATCHES );

foreach ( $rRegexIterator  as  $value ) {
     var_dump ( $rRegexIterator -> hasChildren ());
}
 ?>

以上例程会输出：

bool(false)
bool(true)

参见

RecursiveRegexIterator::getChildren() - Returns an iterator for the current entry.