RegexIterator::setFlags

(PHP 5 >= 5.2.0)

RegexIterator::setFlags — Sets the flags.

说明

public void RegexIterator::setFlags ( int $flags )

Sets the flags.

参数

flags

The flags to set, a bitmask of class constants.

The available flags are listed below. The actual meanings of these flags are described in the predefined constants.

**RegexIterator flags**
value	constant
1	RegexIterator::USE_KEY

返回值

没有返回值。

范例

Example #1 RegexIterator::setFlags() example

Creates a new RegexIterator that filters all entries whose key starts with 'test'.

  <?php
$test  = array ( 'str1'  =>  'test 1' ,  'teststr2'  =>  'another test' ,  'str3'  =>  'test 123' );

 $arrayIterator  = new  ArrayIterator ( $test );
 $regexIterator  = new  RegexIterator ( $arrayIterator ,  '/^test/' );
 $regexIterator -> setFlags ( RegexIterator :: USE_KEY );

foreach ( $regexIterator  as  $key  =>  $value ) {
    echo  $key  .  ' => '  .  $value  .  "\n" ;
}
 ?>

以上例程会输出：

teststr2 => another test

参见

RegexIterator::getFlags() - Get flags