PHP

Php Cache design. This function mainly uses the file modification time function filemtime and the current time-frame subtraction method to determine whether to update the content .? Php?cahetime2=set the expiration time when cahefilecahe.txt;

PHP judges the similarity functions of two strings. PHP provides a rarely used similar_text function, but this function is very useful, the following code copies the similar_te PHP code to compare two strings and return a similar percentage. this

Php solves the problem of displaying only one space in multiple input spaces. Here we briefly introduce how php solves the problem of displaying only one space in multiple input spaces. We use chr (32) to replace it with an html space character, for

Json_decode integer overflow solution. This is a bit like if the mysqlint type is exceeded, and we only need to use bigint, so this type of problem may also occur due to the int data range in php. Encoding is a bit like overflow when the mysql int

In php, The require and include references to url and php file encoding conversion functions. This article solves two problems at the same time: require and include reference url in php and the file encoding conversion function in php. if you need

Php deletes null values or specified values in an array. We will introduce the operations on arrays in php, delete the specified values in the array, or determine whether there are values in the array or clear null values. if you need such

Php + jquery + json Chinese garbled text quick and simple solution. Today, we use regular expressions to determine whether preg_replace replaces the ones escaped by jquery, such as \ u5c71 \ u4e1c. However, Chinese characters may still occur in some

Php_mbstring.dll is not found, and the file cannot be started. This article has added the PHP command line mode prompt "php_mbstring.dll is not found and the file cannot be started". you can refer to it if you need it. Solution: in this article, I

PHPutf-8 and gb2312 encoding conversion garbled problem. After a while of php + mssql, I feel that mssql does not support encoding very well (in fact, I am still not sure about it), but I have not been eager to change the database, so I have to wait

The difference between global and $ GLOBALS [] in PHP. The global variables of PHP are a little different from those of C. In C, global variables take effect in functions unless they are shrouded in local variables. This may cause some problems.

In php EditPlus, include, Chrome, an extra blank line, UTF-8 + BOM. This article introduces EditPlus, include, Chrome in php, more blank line, UTF-8 + BOM, have encountered the same problem of friends can refer to the solution. Solution we just need

PHPExcelAllowedmemorysizeof memory leakage solution. This article introduces a solution for PHPExcelAllowedmemorysizeof memory leakage. if you have such problems, refer. I am using PHPExcel to import about 31 columns one by one. This article

PHPJSON_DECODEJSON_ENCODE is NULL or garbled. Many friends may encounter NULL or garbled characters when using the JSON_DECODEJSON_ENCODE function of php to process Chinese content when using json data, next I will introduce to you why some friends

An error occurred while downloading the phpheader file in IE6. When you use phpheader to download files, you are always prompted in IE6 that the file cannot be downloaded. Google Chrome is normal, so it should be an IE problem. there is a bug in IE,

The Codeigniter shopping cart class cannot add a Chinese solution. Some may find that the Codeigniter shopping cart class cannot add Chinese characters. After I have been searching for N for a long time, I found that the following code restricts the

Solution: failedtoopenstream: Nosuchfileordirectoryin. This tutorial will introduce you to the failedtoopenstream: Nosuchfileordirectoryin solution. For more information, see. Warning: include_once (. includemain. in this tutorial, we will introduce

Phpajax registration to verify whether the user name has code. Phpajax registers and verifies whether the user name has code. this is a registration program. when the user enters the user name, it will automatically go to the database to check

Php in IIS and apache urlrewrite return different REQUEST_URI solutions. In the past, I used the url retrieval function in linux. as a result, I can use REQUEST_URI, but in windows, it seems that the methods are different, today, I saw another

Php checks whether a user is logged on. To determine whether a user logs in, the first step is to save the data to the session after the user logs in successfully, then, when the user accesses the user permission that needs to be logged in, it

PHPMySQL page display. Web development is the mainstream of distributed program development in the future. generally, web development involves dealing with databases, and client reads from the server are usually displayed in pages, 1. Web