Php Substr Function

substr (PHP3, PHP4) substr---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Get partial string Syntax: String substr (string string, int start [, int length]) Description: substr () returns one of the string ...

php string function is essential, give us a lot of convenience to solve practical problems, such as the use of PHP string function string segmentation, interception, matching, replacement and other treatment. PHP string function is essential for PHP entry learners, so we will mainly introduce PHP string segmentation function processing experience, open the PHP string function Getting Started tutorial tour. Commonly used PHP string segmentation function Commonly used PHP segmentation string functions are explode, strtok, str_split, mainly for demolition ...

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 ...

php tutorial multi-file upload code to achieve multi-file upload php This article uses the php multi-file upload class to achieve, and examples of multiple instances of php upload files Oh, multi-file upload is the most important attribute on the file must be in the form of an array Use foreach or for also read one by one Move_uploaded_file file upload to the server This multi-file upload Oh. * /?> <! doctype html public "- // w3c ...

For garbled this problem almost all of the PHP developers have encountered, we are mainly introduced below the PHP file garbled and page garbled and PHP MySQL database connection garbled solution. --PHP page UTF-8 encoding problem 1. In the code start out to add a line: The code follows header ("Content-type:text/html;charset=utf-8"); 2.PHP file Coding problem Click to edit ...

Php code <? Php // Method one: function extend_1 ($ file_name) {$ retval = ""; $ pt = strrpos ($ file_name, "....

Php code <? Php // Method one: function extend_1 ($ file_name) {$ retval = ""; $ pt = strrpos ($ file_name, "....

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 ...

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 ...

This article free of charge for your friends to provide a PHP character interception and image filter function Oh, if you like to come in and see this picture filter regular expression test function msubstr ($STR, $start, $len) {$tmpstr = "";  $strlen = $start + $len; for ($i = 0; $i < $strlen; $i + +) ...