Php note: regular analysis of reading and writing large files

This article introduces the analysis of regular reading and writing of large php files. For more information about how to read PHP files with a large number of lines (about millions of lines) over the past few days, a simple study is made

How to operate the ini configuration file in PHP

This article introduces how to operate the ini configuration file in PHP. For more information, see PHP operation ini configuration file The code is as follows: // Write the INI file Function write_ini_file ($ assoc_arr, $ path, $ has_sections =

Example code for ajax to perfectly implement the paging function of two webpages

Ajax perfectly implements the instance code of two page paging functions. For more information, see Ajax. Paging homepage The code is as follows: Pagination of martial arts novels

Differences between the ts-based and the ETS-vc6 and vc9 compiling versions in PHP

vc9

This article introduces the differences between ts-based vc6 and vc9 compiling versions in PHP. For more information, see VC6: legacy Visual Studio 6 compiler, which is compiled using this compiler. VC9: Visual Studio 2008 compiler, which is

Simple php database operation code (add, delete, modify, and query)

In the past few days, I am going to re-learn and sort out the knowledge system. at the same time, I will divide some things into functional modules. So. Mysql operations become the first key point. I wrote a simple mysql operation class to implement

Example of image proportional scaling in PHP

PHP image proportional scaling instance. For more information, see The code is as follows: // Proportional scaling of the image // Because PHP can only operate on resources, you need to copy the image to be scaled and create a new resource.

PHPIfElse (elsefi) statement

Php is the most commonly used condition judgment statement. if, elseif, and else statements are used to execute different actions based on different conditions. For more information, see Condition Statement When writing code, you often need to

Simple method to limit the ip address used by phpmyadmin

If you need to restrict access to a specific IP address segment of phpmyadmin, you can simply restrict access in the configuration file. Phpmyadmin Modify: config. inc. php Add $ Ip_prefix = '2017. 192. 168 .';If (substr ($ _ SERVER ['remote _

Example code for php to implement a single-chain table

Php implements the instance code for a single-chain table. For more information, see The code is as follows: // Linked list nodeClass node {Public $ id; // Node idPublic $ name; // Node namePublic $ next; // next node Public function _ construct

PHP batch collection and download of beautiful pictures implementation code

Recently, I was browsing a beauty website, but considering the speed problem, this kind of website is slow to open and has a lot of advertisements. I randomly wanted to use php to collect these beautiful pictures. Design ConceptConsidering that it

In-depth explanation of the php function file_get_contents timeout handling method

This article provides a detailed analysis of the php function file_get_contents timeout processing method. For more information, see I. added the timeout time limit.Note: set_time_limit only sets the timeout time for your PHP program, rather than

Common PHP-based asynchronous execution methods

This article provides a detailed analysis of common PHP asynchronous execution methods. For more information, see 1. client pages use AJAX technology to request serversAdvantages:The simplest and fastest way is to embed AJAX calls in the HTML code

Php generates QR code in several ways and uses instances

This article has sorted out some ways for php to generate a QR code: 1. open APIs for google; 2. php class library PHPQRCode; 3. libqrencode; 4. for more information about QRcodePerlCGIPHPscripts, See section 1. open api for google The code is as

Php-based file download details

This article provides a detailed analysis of php download files. For more information, see Php downloads files, such as txt files.The result is that the browser's built-in download box is displayed, and the save as operation is displayed. Sometimes

Some usage problems and related precautions based on the HBaseThrift interface

This article provides a detailed analysis of some usage issues and precautions of the HBaseThrift interface. For more information, see HBase's support for the Thrift interface in non-Java languages, here, we will summarize some of the problems

PHP + jQuery realize automatic complementing full-featured Source code

Previously, I manually wrote a drop-down auto-completion function, which is simple to write. only the mouse selection function is implemented, and keyboard selection is not supported. next I will share with you the PHP + jQuery function for

In-depth analysis of php object-oriented

This article provides a detailed analysis of object-oriented in php. For more information, see the previous article on object-oriented, which is limited to rote memorization. it has been working for so long, let's look at it again for you to see. 1.

Use of phpHexRGB color value interchange

This article provides a detailed analysis of the use of HexRGB color value swaps in php. For more information, see The code is as follows: Echo implode (",", HexToRGB ("# F7F7DA "))." "; Echo RGBToHex ("rgb (247,247,218)")?> Function HexToRGB ($

PHP login remember password implementation ideas

Remember the password entered by the user during logon. in some cases, it is necessary. The following is a small example. if you are interested, refer to the following: The code is as follows: User information Session_start (); Function p ($

How to generate static pages based on PHP

This article provides a detailed analysis of PHP static page generation methods. For more information, see t1.php. The code is as follows: // Method 1 generate a static page based on the template // ReplaceTemplateString is used to replace the

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