class klass{
public function index(){
$names = array(‘firstname‘ => "Baba",
‘lastname‘ => "O‘Riley");
array_walk($names, array(__CLASS__, ‘escape_data‘));
foreach ($names as $name) {
print "$name\n";
}
}
public function escape_data(&$a) {
$a= strtoupper($a);
}
}
/*BABA
O‘RILEY*/
$o = new klass();
$o->index();
时间: 2024-08-12 15:16:04