本文实例讲述了php类的定义与继承用法。分享给大家供大家参考。具体如下:
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<?php /* * class */ class people { public $name ; public $age ; function __construct( $namec , $agec ) { $this ->name = $namec ; $this ->age = $agec ; } protected function getmessage() { return "姓名:" . $this ->name. "<br/>" . "年龄:" . $this ->age; } function __tostring() { return "姓名:" . $this ->name. "<br/>" . "年龄:" . $this ->age; } function __destruct() { echo "<br/> I am dead!" ; } function __call( $key , $args ) { echo "<br/>" , "你调用的方法名不存在:$key" , "<br/>" ; echo "你调用的参数是:" ,var_dump( $args ); } final function getf() { echo "I am getf" ; } } class xinxin extends people { function getname() { echo $this ->getmessage(); echo '<br/>' ; echo parent::getmessage(); echo '<br/>' ; return "I am xinxin" ; } function getmessage() { return "I am zilei getmessage <br/>" ; } function getff() { echo "I am new getf" ; } } $pp = new people( "小弟" , "33" ); //$pp->name = "小明"; //$pp->age = "88"; echo $pp ->name; echo ' ' ; echo $pp ->age; echo '<br/><br/>' ; $xx = new xinxin( "小小" , "13" ); echo $xx ->getname(); ?> |
希望本文所述对大家的php程序设计有所帮助。