php 正則替換函數 ereg_replace

    

代碼如下

複製代碼

$num = 'www.111cn.net';      $string = "this string has four words. <br>";      $string = ereg_replace ('four', $num, $string);      echo $string;        $num = '49';      $string = "this string has four words";      $string = ereg_replace ('four', $num, $string);      echo $string;        $string ="測試用文字";    echo "**********$string**********<p>";    $string = ereg_replace ("^", "<br>", $string);    $string = ereg_replace ("$", "<br>", $string);    echo "==========$string==========";