strlen string

However, when English and Chinese characters are mixed, the following problems may occur: If there is such a string$ Str = "this is a string ";To intercept the first 10 characters of the string, useIf (strlen ($ str)> 10) $ str = substr ($ str, 10 )

1. Function Name: fgets Function: Read a string from the stream. Usage: char * fgets (char * string, int N, file * stream ); Annotation of the parameter: * The first address of the string input data; n-1: the length of the data block read at a time.

Function cnSubStr ($ string, $ sublen){If ($ sublen> = strlen ($ string )){Return $ string;}$ S = "";For ($ I = 0; $ I {If (ord ($ string {$ I})> 127){$ S. =$ string {$ I}. $ string {$ I };Continue;} Else {$ S. =$ string {$ I };Continue;}}Return $ s;

PHP Form Sensitive character filter class, PHP form filter This article describes the php form sensitive character filter class and its usage. Share to everyone for your reference. The specific analysis is as follows: Copy CodeThe code is as

int strlen (String $string)int strlen (string $string) Gets the length of the string $string if the [byte] length of the given string succeeds, and returns 0 if $string is empty.PHP$str 1= "ABCdef";//Output 6 $str 2= "AB CD";//Output 7, note,

1. Intercept GB2312 Chinese stringIntercept Chinese stringsfunction Mysubstr ($str, $start, $len) {$tmpstr = "";$strlen = $start + $len;for ($i = 0; $i if (Ord (substr ($str, $i, 1)) > 0xa0) {$tmpstr. = substr ($str, $i, 2);$i + +;} else$tmpstr. =

Chinese interception modifier.cn_truncate.php Copy Code code as follows: function Smarty_modifier_cn_truncate ($string, $strlen = $etc = ' ... ', $keep _first_style = False) { $strlen = $strlen *2; $string = Trim ($string);

PHP form Sensitive character filter code/*** Form Generation Validation File*/$_form = new Formhtmlfind ();Class formhtmlfind{/*** Output Form function* $formKey Form Key* $infoArray An array of raw information when updating*/ Public Function

002 Class Captcha 003 { 004 Private $_about = Array ( 005 ' imageline ' =>8,//Line interference, normal for 0 006 ' Imagepixel ' =>300,//pixel interference, normal for 0 007 ' Location ' =>true,//font random position, false normal 008 '

PHP Cryptographic decryption function sharing, one is discuz! authcode cryptographic function (with detailed decomposition), one is the Encrypt () function.Need to use PHP to encrypt specific information, that is, through the encryption algorithm to

This article describes the php form sensitive character filtering class and its usage. Share to everyone for your reference. The specific analysis is as follows: Copy Code code as follows: /** * Form Generation Validation File */

Class post_get{Private $array; #提交表单检测字段和检测要求# $type; Defaults to update or $type = "into";Public Function _post_get ($array, $type = "") {if (! $array) die ("error!!");foreach ($array as $v){$KK = $this->ck_split ($v);$KKarray = Split ("_", $KK);if

The code is as follows Copy Code function Str_cut ($string, $length, $dot = ' ... '){$strlen = strlen ($string);if ($strlen $string = str_replace (Array (', ') & ', ', ', ', ', ', ', ', ', ', ', ', ', ', ' ', ', ', ' ... ', Array (',

/** * Character interception support UTF8/GBK * @param $string * @param $length * @param $dot */ function Str_cut ($string, $length, $dot = ' ... ') { $strlen = strlen ($string); if ($strlen $string = str_replace (Array (', ') ', ' & ', ' '

One place in the project uses the need to encrypt the user ID and pass it to the next contact for the reverse solution. (Forgive me not to disclose too many-_-!), the first thought is a function in the kangsheng ucenter, later searched, in the

The principle is to convert the Chinese characters to hexadecimal and according to some rules of string combination, to achieve the encoding and decoding of characters, to ensure the integrity and compatibility of the URL data transmission process,

One, the Chinese character to decimal principle analysis In GBK encoding, a Chinese character is composed of two characters, and the method to get the character string is as follows Copy Code code as follows: $string = "Don't be

Chinese character encoding Research series phase III, PHP function Chapter Master ord () and Chr () function application, in the previous period [PHP Basics of ASCII code comparison and character conversion] in the article to understand the ASCII

1, the interception of GB2312 characters used in the function PHP code Copy Code code as follows: Intercepting Chinese strings function Mysubstr ($str, $start, $len) { $tmpstr = ""; $strlen = $start + $len; for ($i = 0; $i if

File operation. 2007-03-24 00:55 @ Function Name: FputcharFunction prototype: int fputchar (int ch)Function: Writes a character to the current position of the standard output stream (that is, on the screen)function returns: Returns the