PHP Tutorials

PHP watermark function function Imagewatermark ($groundImage, $waterPos =0, $waterImage = "", $waterText = "", $textFont =5, $textColor = "#FF0000") { $isWaterImage = FALSE; $FORMATMSG = "Does not support this file format, please

Class mysql{ Privete static $instance;//Save Instance The constructor is declared private, preventing the object from being created directly Privete function __construct () { Instantiation of } A singleton method

/** * Class Name: Pdopage * Author: Xie Tao shishengsoft@gmail.com * Description: Inherited from PDO class, added automatic paging function, similar to the automatic paging function of MS ADO component. */bbs.it-home.org ----

Picture clipping, zooming function $filepath picture Path, $percent zoom percentage function imagepress ($filepath, $percent = ' 0.5 ') { Type of picture Header (' Content-type:image/jpeg '); Get a new picture size

Before this site published "excellent Programmer's 10 habits" and "programmers need to have the basic skills", that is what we need to learn and develop. Here, we mainly discuss the characteristics of 10 bad PHP programmers, mainly need to let us to

PHP How to create a multilevel directory, PHP to create a multi-level directory of instance code, as well as PHP recursive directory creation Method example, through an example of PHP operation file directory specific methods. First, PHP to

PHP array to remove the null value of the small function, PHP recursive function to delete the array of values are empty elements, together learning. Code:/** * Method Library-array removal null value * @param string $num value * @return

$conn = @mysql_connect ("localhost", "username", "password") or Die ("Cannot connect to MySQL Server"); Copy CodeDescription: A close connection must be displayed using the connection2, Mysql_pconnect ()-Establish database connection

/** * Captchaimage ()-Create a captcha picture of distorted characters * $session the variable name of the session required to create the _name string verification code picture * $width int to verify the width of the picture, default 1

$dir = $_server[' document_root '); $dir = "$dir/inc/"; $d = Opendir ($dir); while (False!== ($f =readdir ($d))) { if (Is_file ($f)) { echo "$f"; }else{ echo "is the directory $f"; }

PHP UTF8 Half garbled problem Web site appeared a bug, the page header garbled, and other places normal, the head is include a head.php, the entire page is UTF8, But I opened the head.php to see, it is to use the UTF8 way to save, the

/* * 1. Get the file name of the path * String basename (string path[,string suffix]) * 2, get the directory of the Path * String DirName (string path) * 3, learn more about the path information * Array PathInfo (string

Solution for call to undefined function curl_init Environment: Windowsphp+apacheError: Call to undefined function curl_initSolution: First, open the php.ini, find "Extension=php_curl.dll", and then remove the previous ";" Note, restart

Put on the SAE and generate the graph online.Http://tuzhong.sinaapp.com Require (' db.php '); if ($_server[' request_method '] = = ' POST ') { $stor = new Saestorage (); Make sure you have

As mentioned above, many times we need to know the user's browser type /** * Determine browser name and version */ function Get_user_browser () { if (Empty ($_server[' http_user_agent ')) { Return ';

/** * Image plus watermark (for png/jpg/gif format) * * @author FLYNETCN * * @param $srcImg Original picture * @param $waterImg watermark Picture * @param $savepath Save path * @param $savename Save name *

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Intercept Chinese strings function Mysubstr ($str, $start, $len) { $tmpstr = ""; $strlen = $start + $len; for ($i = 0; $i if (Ord (substr ($str, $i, 1))--0xa0) { $tmpstr. = substr ($str, $i, 2); $i +

/** * Recursive method for fast sorting */ function Quicksort ($SEQ) { $k = $seq [0]; $x = Array (); $y = Array (); for ($i =1; $i if ($seq [$i] $x [] = $seq [$i]; } else

What are common PHP functions, some examples of PHP custom functions, callback functions, variable functions and recursive functions, and the use of PHP global variables and local variables, static functions, and so on. PHP function