PHP Tutorials

/** * */ function Getfirstchar ($s 0) { if ($s 0[0]== ' i ' | | $s [0]== ' I ') { return "I"; }elseif ($s 0[0]== ' u ' | | $s [0]== ' u ') { Return ' U '; }elseif ($s 0[0]== ' V ' | | $s [0]== ' V ') {

This is a very useful distance calculation function that calculates the distance from location A to B using latitude and longitude. The function can return miles, kilometers, and oceans of three unit types of distance. function

/* Function: The two-dimensional array is sorted by the specified key value $array =array ( 0=>array (' id ' =>8, ' username ' = ' phpernote '), 1=>array (' id ' =>9, ' username ' = ' com '), 2=>array (' id ' =>5, ' username

Class Httptool { /** *//Get domain name or host address * #测试网址: http://localhost:8081/test/testurl.php?id=5 * Return to localhost:8081 */ Public Function GetHost () { Return $_server[' Http_host '];

/* * Remote picture gets to local */ function Grabimage ($url) { if ($url! = "") {//If the picture address is empty $ext = STRRCHR ($url, '. '); Determine the format of a picture if ($ext! = '. jpg ' && $ext! = '. gif '

function Is_valid_url ($url) { $p 1 = '/(HTTP|HTTPS|FTP): \/\/[a-z0-9-]+ (. [ a-z0-9-]+) * (: [0-9]+)? (\/.*)? $/i '; Return Preg_match ($p 1, $url); } function Is_valid_email ($email) { if (Filter_var ($email,

!--? php $patterns = "/\d+/";//First type // $patterns = "/\d/"; The second type of $strs = "left:0px;top:202px;width:90px;height:30px"; Preg_match_all ($patterns, $strs, $arr); Print_r ($arr);

/** Desc: The code that collects the mailboxes in a Web page */ $url = ' http://www.xxx.net '; The URLs to be collected $content =file_get_contents ($url); Echo $content; function Getemail ($STR) { $pattern =

Login Registered Subscribe to RSS Site Map Script Sharing Network Cookieclass Copyright (C) 2005 Jrsofty programming. Http://jrsofty1.stinkbugonline.com Licensed under GNU/GPL Class

There is a guess the user likes the function, the user can click to change a group, to refresh the recommended content. The First gets the first 1000 data through a database query, and then randomly strips 4. After the program has finished

Header ("Content-type:image/jpeg"); /* One, simple image output */ $im = Imagecreate (60,40); $pink = Imagecolorallocate ($im, 35, 25,220); Imagejpeg ($im); Imagestring ($im, +,--------);

function Dominant_color ($image) { $i = Imagecreatefromjpeg ($image); for ($x =0; $x for ($y =0; $y $rgb = Imagecolorat ($i, $x, $y); $r = ($rgb >>) & 0xFF; $g = ($rgb >> & 0xFF; $b = $rgb

In many occasions in order to show the timeliness of information, the time is generally displayed as "just", "5 minutes Ago", "3 hours ago", and so on, rather than directly print out the time. such as microblogging, SNS applications for the longest

Use the following function to get the full details of any domain user function Whois_query ($domain) { Fix the domain name: $domain = Strtolower (Trim ($domain)); $domain = preg_replace ('/^http:\/\//i ', ' ', $domain)

function Getrealipaddr () { if (!emptyempty ($_server[' http_client_ip ')) { $ip =$_server[' http_client_ip ']; } ElseIf (!emptyempty ($_server[' http_x_forwarded_for ')) To check IP was pass from proxy

function plural ($num) { if ($num! = 1) return "S"; } function Getrelativetime ($date) { $diff = time ()-Strtotime ($date); if ($diff The return $diff. "Second". Plural ($diff). "Ago";

Getvalidate (100,30); function Getvalidate ($w, $h) { $img = Imagecreate ($w, $h); $gray = Imagecolorallocate ($img, 255,255,255); $black = Imagecolorallocate ($img, Rand (0,200), Rand (0,200), Rand (0,200));

function Auth_pwgen () { $PW = "; $c = ' bcdfghjklmnprstvwz '; Consonants except hard to speak ones $v = ' Aeiou '; Vowels $a = $c. $v; Both Use the syllables ... for ($i =0; $i $PW. = $c [rand (0,

/** * Number converted to Chinese * @param string|integer|float $num target number * @param integer $mode mode [true: Amount (default), false: normal digit representation] * @param boolean $sim use lowercase (default) *

//$low and $high has to be integers function BinarySearch ($array, $key, $low, $high) { if ($low > $high)//T Ermination case { return-1; } $middle = Intval (($low +