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一个PHP的String类代码

时间:2021-07-01 10:21:17 帮助过:4人阅读

使用方法:
代码如下:

$s ='中国';
$os = new String( $s );
echo $os->decode('gbk') ,'';
echo $os->decode('gbk')->encode('md5'),'';

代码
代码如下:

class String extends stdClass
{
private $_val ='';
public function __construct( $str ='' )
{
$this->_val = $str;
}
public function __toString()
{
return $this->_val;
}
public function encode( $coder )
{
$coder ='encode_' . $coder;
if( method_exists( $this, $coder ) )
{
return $this->$coder();
}else{
return $this;
}
}
public function decode( $coder )
{
$coder ='decode_' . $coder;
if( method_exists( $this, $coder ) )
{
return $this->$coder();
}else{
return $this;
}
}
private function encode_md5()
{
return new String( md5( $this->_val ) );
}
private function decode_gbk()
{
return new String( iconv('GBK','UTF-8', $this->_val ) );
}
}

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