Str Function

We provide three functions not to filter some special characters, the main is to use sql sql-sensitive string to filter out, and the following Let's look at this code. A friend in need take a look. function phps tutorial ql_show ($ str) {$ str = stripslashes ($ str); $ str = str_replace ("& # 92;", "", $ ...

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This is a PHP string truncation function Oh, this is a Chinese string support oh, it can intercept html and Chinese and Western mixed content, and the html tag is not Count in the character interception, if the html tag is not closed, the program will automatically filter extra tags. * / function mysubstr ($ str, $ length) {$ ...

method to filter HTML custom functions function Ihtmlspecialchars ($string) {if (Is_array ($string)) {foreach ($string as $key => $val) {$string [$key] = Ihtmlspecialchars ($val); } else {$string = Preg_replace (' ...)

Today we bring you the definition and usage of PHP function trim (). Definition and usage the trim () function deletes white-space characters and other predefined characters from both ends of the string. Syntax Trim (string,charlist) parameter description string required. Specify the string to check. Charlist Optional. Specify the string to convert. If this argument is omitted, all of the following characters are deleted: ""-NULL "t&quo ...

PHP calculates the length of the mixed string in English, Echo Ccstrlen ($str), ' <hr> '; Echo Ccstrleft ($STR, 3);   function Ccstrleft ($str, $len) #从左边截取中英文混合字符串 {$ascLen =strlen ($STR); if ($ascLen <= $len) return $str; $hasCC ...

Three PHP tutorial Chinese verification code generation and transfer method Generate Chinese verification code in PHP must be generated and generated verification verification code is not the same operation, because gd function only accepts utf8 format encoded text, so use php to generate Chinese verification Before the first code to be encoded conversion, operation iconph icon can be an instance of PHP. * / $ ch_str = "Chinese characters you want to generate Chinese characters"; $ str = array (); for ($ i = 0; $ i <strlen ($ ch_s ...

Provide two php tutorial interception string function, they can automatically identify the Chinese Oh, if you are intercepting the article this is very good, like to come in and see it. <? php header ("content-type: text / html; charset = utf-8"); function strcut ($ string, $ length, $ dot = '...', $ chars ...

The article provides you with a PHP HTML Convert to text function Oh, if you like it. <?php if (!defined (' Dedeinc ')) {exit ("Request error!");} function Sphtml2text ($str) {$str = Preg_replace ("/<sty" (. */style&g ...

php tutorial to filter dangerous html function code 1, delete html comments; 2, delete the script, link, object, embed, iframe, frame, frameset and have on the beginning, contains the page effects: [^; , Delete css tutorial notes (to prevent the use of this to deceive delete expression, I do not know if there are other ways to cheat delete expression); 4, delete expr ...