PHP

A stable php login system verification code Session_start (); $ Type = 'GIF '; $ Width = 56; $ Height = 22; Header ("Content-type: image/". $ type ); Srand (double) microtime () * 1000000 );

Php program for mass mailing by reading text // Request the PHPmailer class file Require_once ("class. phpmailer. php "); // Email sending function Function smtp_mail ($ sendto_email,

Specify the small function of the message through the JS prompt on the page. /* * Function: specify a message through the JS prompt on the page and end the page execution. * Parameters: * Msg: The

Php watermark code for an enhanced version /* * Function: PHP image watermark (watermarks support images or text) * Parameters: * $ GroundImage: specifies the background image to be Watermark.

Understanding of several array functions in php // Sum Function rsum ($ v, $ w) { Return $ v; } // Sediment determination Function rmul ($ v, $ w) { Return $ v; }

Php uses the GD library to generate an image in bmp format (imagebmp) /** * Create a bmp image * * @ Author: legend * @ Description: create Bitmap-File with GD library * @ Version: 0.1

Php string determination and deletion of variables $ A = '11 '; $ B = 11; If ($ a ===$ B) { Echo 'Strictly equal '; } Else if ($ a = $ B) { Echo 'Equality '; } Else

Passport encryption function written in php /** * Passport encryption function * * @ Param string the original string waiting for encryption * @ Param string private key (used for

Strtotime function efficiency in php $ Start = array_sum (explode ('', microtime ())); For ($ I = 0; $ I Strtotime ("-1 day "); } $ End = array_sum (explode ('', microtime ()));

A function used to calculate the runtime of a php page /* Calculate the php program running time */ Function microtime_float () { List ($ usec, $ sec) = explode ("",

Php magic_quotes_gpc dynamic shutdown invalid solution If (ini_get ('Magic _ quotes_gpc ')){ Function stripslashesRecursive (array $ array) { Foreach ($ array as $ k => $ v ){ If

Several minor mistakes that php beginners can easily make This article lists several minor mistakes that php beginners may make for your reference. 1. the header already sent error usually occurs when you use the HEADER. it may be caused by

Example of calculating the execution time of the current page in php // Do something Sleep (3 ); // Do something $ Running_time = time ()-$ _ SERVER ['request _ time']; Echo 'Page

Configure to run php in FastCGI mode in Gentoo Echo "dev-lang/php fpm">/etc/portage/package. use Emerge-av dev-lang/php Configuration is very simple, my local version is php5.4, then edit the file/etc/php/fpm-php5.

A php file and folder operation class written by myself (create, delete, move, copy) /** * File operations * * Example: * FileUtil: createDir ('a/1/2/3'); create a folder named a/1/2/3

Php image watermarking and uploading image watermarking // Upload file type list $ Uptypes = array ( 'Image/jpg ', 'Image/jpeg ', 'Image/png ', 'Image/pjpeg ', 'Image/GIF ',

An example of socket programming in php Error_reporting (E_ALL ); Set_time_limit (0 ); Echo "TCP/IP Connection \ n "; $ Port = 1935; $ Ip = "127.0.0.1 "; /* + --------------

Php command line running parameters and applications Php can be executed on the web page, and the PHP script can be executed in the command line through the php cli (command line interface.Php can be executed on the web page, and the PHP

Learning the closure of PHP5.3: function () use (& amp; $ param) Function closureCreater (){ $ X = 1; Return function ($ fun = null) use (& $ x) {// pass the value by reference Echo"". $ X ++;

Use examples to learn comparison and logical operations of php Class Test { Private $ k = 1; Public function _ get ($ propertyName ){ Return 123; } } $ Obj = new Test ();