复制代码 代码如下:
<?php
$str = "。规定的被搜索的字符串 ";
$s = "的";
echo strstr($str,$s) . "<br/>";
echo mb_strstr($str,$s, 'utf-8') . "<br/>";
echo mb_strstr($str,$s, true, 'utf-8') . "<br/>";
echo mb_strstr($str,$s, false, 'utf-8') . "<hr/>";
echo strrchr($str,$s) . "<br/>";
echo mb_strrchr($str,$s, 'utf-8') . "<br/>";
echo mb_strrchr($str,$s, true, 'utf-8') . "<br/>";
echo mb_strrchr($str,$s, false, 'utf-8') . "<hr/>";
$str = "Hello world!Hello world!";
$s = "world";
echo strrchr($str,$s) . "<br/>";
echo mb_strrchr($str,$s, 'utf-8') . "<br/>";
echo mb_strrchr($str,$s, true, 'utf-8') . "<br/>";
echo mb_strrchr($str,$s, false, 'utf-8') . "<hr/>";
echo strtr("Hilla Warld","ia","eo"). "<br/>";
$arr = array("Hello" => "Hi", "world" => "earth");
echo strtr("Hello world",$arr). "<hr/>";
echo strtr("如果省略，则使用内部字符编码","内部","外部"). "<br/>";
$arr = array("如果" => "若", "则" => "那么");
echo strtr("如果省略，则使用内部字符编码",$arr). "<hr/>";
?>
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