PHP Tutorials

1. Data configuration file db.php Return Array ( Array ' One ' = ' About Us ', ' Both ' = Array ( Array ' Three_tit ' = ' Company Introduction ', ' Three_cont ' = Array ( ' Corporate profile ',

The general language function must be defined as running, while PHP supports the dynamic creation of functions at run time, here is a simple example of creating a function $ A with different conditions when moving if (count

!--? php //Notice that the include classpath is correct require_once (d Irname (__file__). '/export.php '); $exceler = Newjason_excel_export (); //Generate Excel format here different formats are

This code can help you determine the main color of any image , a simple statistical algorithm is used to implement $i = imagecreatefromjpeg ("image.jpg"); for ($x =0; $x for ($y =0; $y $

The Strpos () function can be used to find substrings in PHP. The Strpos () function will attempt to find the location where the substring first appears in the source string. If found, it returns a non-negative integer indicating where the substring

Encode64 can obtain the shortest 26 English-size alphanumeric plus "-_" two symbols encoded data, the string can be transmitted freely in the network, without regard to the confusion caused by automatic transcoding. Cons: For large strings too slow,

Define (' Host_file ', ' C:\Windows\System32\drivers\etc\hosts '); $HM = new Hostmanage (host_file); $env = $argv [1]; if (empty ($env)) { $hm->delallgroup (); } else { $hm->addgroup ($env); }

Date_default_timezone_set ("Asia/calcutta"); function Dt_differ ($start, $end) { $start = Date ("G:i:s:m:d:y", Strtotime ($start)); $date 1=explode (":", $start); $end = Date ("G:i:s:m:d:y", Strtotime ($end));

Mktime () Convert date and time to UNIX timestamp Time () Gets the Unix timestamp for the current time echo Date ("Y-m-d", Mktime (0,0,0,12,31,2013)). ""; Example: Calculates the age of a user by calculating the

Code can also be used to count the number of catalogs Format output Directory size unit: BYTES,KB,MB,GB function Getdirectorysize ($path) { $totalsize = 0; $totalcount = 0; $dircount = 0; if ($handle =

The first snippet generates a random picture------code2.php Open session to save the generated content Session_Start (); $table =array ( "Pic0" = "Dog", "Pic1" = "Cat", "Pic2" = "Fish",

Format time, a few minutes ago, a few hours ago function Format_date ($time) { $t = Time ()-$time; $f = Array ( ' 31536000 ' = ' year ', ' 2592000 ' + ' months ', ' 604800 ' = ' Week ', ' 86400 ' = ' Day ',

Require ("class.phpmailer.php"); $mail = new Phpmailer (); $mail = new Phpmailer (); $mail->issmtp (); $mail->host = "smtp1.example.com;smtp2.example.com"; $mail->smtpauth = true; $mail->username = ' smtpusername ';

function Shorturl ($url) { $length = strlen ($url); if ($length > 45) { $length = $length-30; $first = substr ($url, 0,-$length); $last = substr ($url,-15); $new = $first. " [ ... ]". $last; return $new;

PHP ziparchive is a PHP extension class, you can easily achieve the zip file compression and decompression, before using the first to ensure that the PHP ZIP extension is open. /* Description: A function that compresses

function Http_post_data ($url, $data _string) { $ch = Curl_init (); curl_setopt ($ch, Curlopt_post, 1); curl_setopt ($ch, Curlopt_url, $url); curl_setopt ($ch, Curlopt_postfields, $data _string); curl_setopt ($ch,

The following is an analysis of the distance code between the 2-point latitude and longitude of PHP calculation. function Getdistancebetweenpointsnew ($latitude 1, $longitude 1, $latitude 2, $longitude 2) { $theta =

function Generatecsv ($data, $delimiter = ', ', $enclosure = ' "') { $handle = fopen (' php://temp ', ' r+ '); foreach ($data as $line) { Fputcsv ($handle, $line, $delimiter, $enclosure); } Rewind ($handle); while

function Getdistancebetweenpointsnew ($latitude 1, $longitude 1, $latitude 2, $longitude 2) { $theta = $longitude 1-$longitude 2; $miles = (sin (Deg2rad ($latitude 1)) * Sin (Deg2rad ($latitude 2)) + (cos (Deg2rad ($latitude 1)) * cos (

$image _file = $_get[' src ']; $corner _radius = isset ($_get[' radius ')? $_get[' radius ']: 20; The default corner radius is set to 20px $topleft = (isset ($_get[' TopLeft ') and $_get[' topleft '] = = "No")? False:true; Top-left rounded