PHP upload pictures, automatically cropped to thumbnails, wide unlimited height

PHP Tutorial upload pictures, automatically cropped into thumbnails, wide unlimited height $Id: image.php 1937 2009-01-05 19:09:40z Dualface $ /*** Define Helper_image class and Helper_imagegd class** @link http://qeephp.com/* @copyright Copyright

The real difference between die () and exit () in PHP

Online search die and exit two functions, most of the "standard answer" is that die is to exit and release memory, exit is exited but does not release memory. This explanation is clearly wrong, as the PHP manual has said, "Die-equivalent to exit."

Example of the difference between PHP die () and exit () _php Example

Online search die and exit two functions of the difference, most of the "standard answer" is that die is to exit and release memory, exit is exited but does not release memory. This explanation is clearly wrong, as the PHP manual has said,

What language do you choose to learn programming? Is it php, Python, or Ruby? _ Other Comprehensive

To sum up simply a sentence:1. If you want to help him find a job as soon as possible, make money, recommend PHP.2. If you want him to be an efficient engineer, recommend Python.3. If you want him to fall in love with his job, recommend Ruby.

The method of the two-dimensional array of PHP (which preserves the key values while removing duplicates)--the uniqueness of the two-D array

For the following two-dimensional array, it is required to be weighed: $arr = Array (' 0 ' =>array (' name ' => ' James ', ' Age ' =>30, ), ' 1 ' =>array (

PHP adds a pair. The read function of the ZIP file

This module uses the functions of the Zziplib Library by Guido Draheim to transparently read ZIP compressed archives and T He files inside them. This module uses the Zziplib library (Guido Draheim) to read the ZIP-compressed document and the files

PHP multithreaded Extensions (serious threads) Pthreads installation

Environment CentOS 6.3 64bit,php 5.4.5   pthreads need thread security environment   download PHP installation package, unzip:     Tar zxvf php-5.4.5.tar.gz//name is not I'm not sure about this. Download   Install:

A detailed tutorial on building a PHP development environment based on Docker

This article mainly introduces the construction based on the Docker PHP development Environment Detailed tutorial, Docker is the current virtual machine technology best choice, needs the friend may refer to under Now many developers use vagrant to

PHP addition increment operation method 1+2+3+4+5 ..... ......

/*1+2=33+3=66+4=1010+5=1515+6=2121+7=2828+8=3636+9=4545+10=55......*/$a =1;//Results$c Number of =2;//cycleswhile ($c $b = $c; Assign the value of C to B$a = $a + $b;//implement A+b result assignment to a a=3$c ++;//variable c plus 1, the original 2

PHP generated QR code "Google api+qrcode+ round the corner logo"

cht=qr:必要参数,固定值,表明要生成二维码 chs=width>xheight> : necessary parameters, generate two-dimensional code size, units are pixels, the current generated QR code is square, so the two width and height values are set to the same value chl=data> : The necessary

In-depth understanding of ini configuration in php (2), in-depth understanding of ini

In-depth understanding of ini configuration in php (2), in-depth understanding of ini Continue with the previous article.1. Change the configuration during running As mentioned in the previous article, the ini_set function can dynamically modify

Php obtains the mac address of the server and the mac address of the client. Windows/LINUX is supported.

Get server macCopy codeThe Code is as follows:/**Obtain the MAC address source code of the NIC. Currently, Windows/LINUX systems are supported.Obtain the physical (MAC) Address of the machine Nic**/Class GetmacAddr {Var $ result = array (); //

PHP file call and several functions including include_once () require_once () include () require (

Require ()The require () statement includes and runs the specified file. The require () statement includes and runs the specified file. For details about how to work, see the include () document. Require () and include () are identical in all

Convert a decimal number to a decimal number.

Topic.csdn.netu2009032618c96364bc-38cc-42d2-962e-420600625720.html? Seed2132653946r79968420 # r_79968420 in terms of storage structure and algorithm, double and float are the same. The difference is that float is 32-bit, and double is 64-bit, so

Configure Apache + Mysql + PHP in Windows

I haven't written a blog for a long time. I am learning php recently. So I 'd like to share with you the environment configuration. Software preparation: shows the prepared software. Apache has found 64-bit drops in the official wooden tree. A

In-depth understanding of how to configure MongoDB in MongoDB (I) Linux

I. MongoDB introduction MongoDB is a high-performance, open-source, and non-pattern document-type database that is currently popular among NoSql databases. It can be used in many scenarios to replace traditional relational databases or key-value

[MongoDB Study Notes-02] Two Methods for connecting Node. js to MongoDB

MongoDBNode. js driver is officially supported by the native Node. js driver. It is the best implementation so far and has been officially supported by MongoDB. The MongoDB team has adopted the MongoDBNode. js driver as the standard method.

Conversion between Timestamp and Datetime and UTC time in Python

This article describes how to convert Timestamp, Datetime, and UTC time in Python. The example is mainly for UNIX-like systems such as Ubuntu, for more information about how to convert the time between the Datetime and TimeStamp formats in the

PHP Construction Forum: Discuz! High-Speed Forum setup guide

PHP Construction Forum: Discuz! Quick Forum setup guide background: With the price reduction of domain names, the price of hosting servers is getting cheaper and cheaper. many netizens hope to set up their own websites, about 70% of users chose to

Learning notes for while loop statements in php

You can use the for statement to control multiple variables to implement advanced applications with multiple loops.The following shows a program that uses the for statement to output a 9*9 multiplication table: The code is as follows:Copy code

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