在PHP中,stristr() 函数用来在一个字符串中查找另一个字符串。
如果查找成功,则返回字符串的其余部分(从匹配点),如果没有找到该字符串,则返回 false。
版本支持:PHP 3+
语法:
stristr(string,find)
说明:
string 必需。规定被搜索的字符串。
find 必需。规定要查找的字符。如果该参数是数字,则搜索匹配该数字对应的 ASCII 值的字符。
提示:
该函数是二进制安全的。
该函数对大小写不敏感。如需对大小写敏感的搜索,请使用 strstr()。
例子:
例子 1
代码如下:
echo stristr("Hello world!","WORLD");
?>
输出:
world!
例子 2
代码如下:
echo stristr("Hello world!",111);
?>
输出:
o world!
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