PHP

Comprehensive database operations for PHP Class database { Private $ hostname; Private $ user; Private $ pass; Private $ dbname; Private $ linkflag; Private $ charset;

Php AES encryption and decryption Php code, php provides many good things and uses functions directly. However, php currently only knows the ZeroPadding mode, so other languages can only follow it: $ PrivateKey = "123456781

A simple PHP class for a socket client Php 5. You need to enable socket extension // Socke operation class Class Socket { Private $ host; // host connected to the socket Private $ port; // the port number of the

PHP sensitive word filtering code $ F = file('words.txt '); $ Words = array (); Foreach ($ f as $ w ){ $ Words [] = preg_quote (trim ($ w ),'/'); } $ Text = file_get_contents('text.txt '); $

PHP a simple and quick sorting Fast sorting by constantly locating the location of the benchmark number /** * Created by PhpStorm. * User: saint * Date: 15/8/5 * Time: AM */ Class Demo {

PHP adds subtitle display to the video through ffmpeg $ Dir = './'; // set to current folder If ($ handle = opendir ($ dir )){ While (false! ==( $ File = readdir ($ handle ))){ If (is_file ($ dir. $ file )){

Php compresses CSS files Compressing multiple CSS files at a time Header ('content-type: text/css '); Ob_start ("compress "); Function compress ($ buffer ){ /* Remove comments */ $ Buffer = preg_replace ('! /\

PHP prevents multiple IP addresses from accessing your website This code snippet allows you to prohibit certain IP addresses from accessing your website. If (! File_exists('blocked_ips.txt ')){ $ Deny_ips = array ( '2017

PHP obtains the real IP address of a user. Function getRealIpAddr () { If (! Emptyempty ($ _ SERVER ['http _ CLIENT_IP ']) { $ Ip = $ _ SERVER ['http _ CLIENT_IP ']; } Elseif (! Emptyempty ($ _

Nobackend is used in website architecture Nobackend is used in website architectureThe current application development model places too much emphasis on backend construction. In fact, we have already done many years of work to simplify

PHP extracts the main color of any image Function dominant_color ($ image) { $ I = imagecreatefromjpeg ($ image ); For ($ x = 0; $ x For ($ y = 0; $ y $ Rgb = imagecolorat ($ I, $ x,

PHP calculates the distance code between two points of latitude and longitude The following is an analysis of the PHP distance code for calculating the latitude and longitude of 2 points. Function

Keywords in PHP search and highlighted strings Function highlighter_text ($ text, $ words) { $ Split_words = explode ("", $ words ); Foreach ($ split_words as $ word) { $ Color = "#4285F4 "; $ Text =

Use PHPMailer to send HTMLEmails with images Require ("class. phpmailer. php "); $ Mail = new PHPMailer (); $ Mail-> IsSMTP (); $ Mail-> Host = "smtp1.example.com; smtp2.example.com "; $ Mail-> SMTPAuth

Php script for uploading files through ftp The general principle is to traverse all non-exclusive files in the project and then obtainThe file modification time is later than the last modification time of the file.And then upload these

PHP formatting time, several minutes ago, several hours ago // Formatting time, several minutes ago, several hours ago Function format_date ($ time ){ $ T = time ()-$ time; $ F = array ( '20140901' => '

Implemented php class that supports resumable download of files The example in this article describes the php-enabled resumable object download class and its usage. it is a very practical technique. Share it with you for your reference. The

Returns the regular expression of a number in a string. $ Patterns = "/\ d +/"; // The first // $ Patterns = "/\ d/"; // second $ Strs = "left: 0px; top: 202px; width: 90px; height: 30px "; Preg_match_all ($

Use PHP to implement the short URL function Function compute url ($ url ){ $ Length = strlen ($ url ); If ($ length> 45 ){ $ Length = $ length-30; $ First = substr ($ url, 0,-$ length ); $ Last =

Obtain the PHP code of the user's IP address Function getRealIpAddr () { If (! Empty ($ _ SERVER ['http _ CLIENT_IP ']) // check ip from share internet { $ Ip = $ _ SERVER ['http _ CLIENT_IP '