echo substr_count($str,"abcab"); // This function does not count overlapped substrings ?> 运行实例 » 实例3 如果start 和 length 参数超过字符串长度,该函数则输出一个警告: <?php echo $str = "This is nice";substr_count($str,"is",3,9); ?> 由于长度值超过字符串的长度(3 + 9大于...
❮ PHP String Reference ExampleGet your own PHP Server Return "world" from the string: <?php echosubstr("Hello world",6); ?> Try it Yourself » Definition and Usage The substr() function returns a part of a string. Syntax substr(string,start,length) ...
View the example in the browser See also PHP Function Reference Previous:substr_replace Next:trim
1 <?php 2 function myMbSubstr($str, $start, $length, $charset){ 3 $charsets["utf-8"] = $charsets["utf8"] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/"; 4 $charsets["gb2312"] = "/[\x01-\x7f]|[\...
function mb_ucfirst( $str, $enc = 'utf-8' ) { return mb_strtoupper( mb_substr( $str, 0, 1, $enc ), $enc ) . mb_substr( $str, 1, mb_strlen( $str, $enc ), $enc ); } echo mb_ucfirst( "hello world 你好 中国" ) . PHP_EOL; //Hello world 你好 中国 ...
}echomb_ucfirst("hello world 你好 中国") . PHP_EOL;//Hello world 你好 中国/** *@param$string *@paramstring $encoding * *@returnarray */functionget_character_classes($string,$encoding="UTF-8"){$current_encoding=mb_internal_encoding();mb_internal_encoding($encoding);$has=array();$string...
echo substr_count($string1,'co'); echo substr_count($string1,'co',4); echo substr_count($string1,'co',4,4); ?> Output: 2 1 0 View the example in the browser See also PHP Function Reference Previous:substr_compare Next:substr_replace ...
echo substr_count($str,"abcab"); // This function does not count overlapped substrings ?> 运行实例 » 实例3 如果start 和 length 参数超过字符串长度,该函数则输出一个警告: <?php echo $str = "This is nice";substr_count($str,"is",3,9); ?> 由于长度值超过字符串的长度(3 + 9大于...
> 具体的使用可以看PHP的Manual中的function.substr.html。[/p] 作者:jackxiang@向东博客 专注WEB应用 构架之美 --- 构架之美,在于尽态极妍 | 应用之美,在于药到病除 地址:http://jackxiang.com/post/587/
function mb_ucfirst( $str, $enc = 'utf-8' ) { return mb_strtoupper( mb_substr( $str, 0, 1, $enc ), $enc ) . mb_substr( $str, 1, mb_strlen( $str, $enc ), $enc ); } echo mb_ucfirst( "hello world 你好 中国" ) . PHP_EOL; //Hello world 你好 中国 ...