PHP

  This article mainly introduces a simple way for PHP to export Excel without using Plug-ins, first get an array of the data that needs to be exported, and the format of the array is below. Then you define the file name and the style of Excel you

Simple example of PHP static delay binding Not how to use this new feature, in fact, is not new, try it, now static class inheritance is very convenient Class A { protected static $def = ' 123456 '; public static function test () { Echo

PHP multidimensional array sorting can be handled using the Array_multisort () function, which can be used to sort multiple arrays at once, or to sort multidimensional arrays based on one dimension or multidimensional, and the associated (string)

. The code is as follows: //Declaration of a three-dimensional array $info =array ( "User" =>array ( Array (1, "Zhangsan", "Nan"), Array (2, "Lisi", "Nan"), Array (3, "Wangwu", "NV") ),  "Score" =>array ( Array (1,100,98,95,96),

Method One: Adopt In_array (Value,array,type) Type is optional. If this parameter is set to True, the search data is checked for the same type as the value of the array. . The code is as follows: $arr = Array (' Can ', ' how ', ' method ', ' Know

Calculating the time difference in PHP is sometimes a hassle! But as long as you have the use of the date-times function, that's a simple thing to do: A simple example is calculating the number of days to borrow, which requires PHP to calculate on

The following is the source code, and its related explanations 　　 URL is a remote full picture address, can not be empty, $filename is saved as a picture name Default to put the picture in the same directory as this script function Grabimage

  This article mainly introduces the PHP implementation file download a simple example, the need for friends can refer to the following The code is as follows: Public function downloads ($name) {$name _tmp = explode ("_", $name); $type = $name

Php_imagick is a php extension that can be used by PHP to invoke the ImageMagick feature. Using this extension allows PHP to have the same functionality as ImageMagick, now let's look at how PHP installs Imagick under Linux. Description: PHP

Two days ago a friend said, want to implement a text file according to a fixed number of lines to split into multiple text files, but do not know how to achieve. If the amount of data is small manual segmentation is good, if the volume of data is

The following code does not look carefully:PHP//two-dimensional array sorting, $arr is the data, $keys is the sort of health value, $order is the collation, 1 is ascending, 0 is descendingfunctionArray_sort ($arr,$keys,$order= 0){

Usage Analysis of the strtotime function in PHP, phpstrtotime This article describes the use of the time addition and subtraction function strtotime in PHP. We will share this with you for your reference. The details are as follows: Time addition

Install laravel and composerlaravel from a composer Image The blogger has recently learned about Laravel's framework. For many new features of Laravel, it is best to check the documentation on the official website. Laravel is very well-developed and

Redis builds distributed locks and redis builds 1. Preface Why should we build a lock? Because building a proper lock can maintain data consistency in high concurrency, that is, the data locked when the client executes a coherent command is not

Implementation of file_put_contents append and line feed in PHP, fileputcontents newline In some PHP applications, you need to write logs or record some information. You can use fopen (), fwrite (), and fclose () operations. You can also use

In php, the division method (round, ceil, floor) and ceilfloor In PHP, you need to use the following method to get the result of division: 1. round: Rounding The round () function rounds a floating point number. Syntax: round (x, prec)

[Linux] PHP programmers play with Linux series-install nginx on Linux and Windows-linuxnginx 1. PHP programmers turn to the Linux series-how to install and use CentOS 2. PHP programmers play with Linux series-lnmp Environment Construction 3. PHP

Use SFTP in Phpstorm and SFTP in Phpstorm In Phpstorm, FTP connection failures often occur. In this case, we can use SFTP to connect to the server. 1. Add a server. Tools -- deployment -- configuration/browse Remote Host 2. Add a server and

How to Use PHP for page registration review and php for page review This user record is available after the user is registered. You have set a "review status" field for the user table. The default value is "not reviewed ", then you write a few

PHP programmer's technical growth plan and php programmer's plan Original article address According to the development tracks of many PHP/LNMP programmers and their personal experience, this article abstracts many programmers who are confused about