Strtolower Function In Php

Strtolower (PHP3, PHP4) strtolower---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; To convert a string to lowercase syntax: string strtolower (String str) Description: Returns the string after all alphabetic characters in Str are converted to lowercase. Note: The alphabetic character is from the current ...

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 ...

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, "....

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) {$ ...

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 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology Hall is mainly from two points, 　　Since our obtained variables are usually submitted via get or post, we will be able to prevent the injection by simply filtering the variables that come in and post. Today, when I write code, it suddenly occurred to me that I couldn't pass a file ...

As PHP programmers, especially novices, always know too little about the dangers of the Internet, for many of the external invasion are at a loss what to do, they do not know how hackers invaded, submitted to the invasion, upload vulnerabilities, sql Injection, cross-scripting and more. As a basic precaution you need to be aware of your external commits and do a good job with the first side of the security mechanism to handle the firewall. Rule 1: Never trust external data or enter information about Web application security, the first thing you must recognize is that you should not trust external data. External data (outside d ...

PHP pseudo-static use is mainly to hide the passed parameter name. Today we introduce to you a total of four pseudo-static PHP method, I hope we can further deepen the understanding of PHP pseudo-static through these four methods. The following is the full method code: [pre] <? Php // pseudo static method a // localhost/php100/test.php?id|1@action|2 $ Php2Html_Fi ...

This article is mainly introduced str_replace function to replace a single character, and replace the data, and specify the number of str_replace replacement, the last replacement is very useful, especially in the SEO optimization methods. / mixed str_replace (mixed $ search, mixed $ replace, mixed $ subject [, int & $ count]) function returns a string or any problem in the search ...