本文实例讲述了PHP使用strstr()函数获取指定字符串后所有字符的方法。分享给大家供大家参考,具体如下:
PHP的strstr()函数可搜索字符串在另一字符串中的第一次出现位置,并返回字符串的剩余部分。
strstr()函数定义如下:
strstr(string,search,before_search)
参数说明:
string 必需。规定被搜索的字符串。
search
必需。规定所搜索的字符串。
如果此参数是数字,则搜索匹配此数字对应的 ASCII 值的字符。
before_search
可选。默认值为 "false" 的布尔值。
如果设置为 "true",它将返回 search 参数第一次出现之前的字符串部分。
示例代码如下:
<?php echo strstr("欢迎来到脚本之家","脚本"); echo "<br/>"; echo strstr("Welcome To www.jb51.net","jb51"); echo "<br/>"; echo strstr("123456789","5"); ?>
运行结果如下:
脚本之家 jb51.net 56789
补充:
在PHP5.3版本之后才可使用strstr()函数的第三个可选参数,如:
echo strstr("123456789","5",true); //输出:1234
更多关于PHP字符串操作相关内容可查看本站专题:《php字符串(string)用法总结》
希望本文所述对大家PHP程序设计有所帮助。

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