PHP Tutorials

Linux Memory release command, Linux memory release I am using CentOS 6.5 , because after uninstalling SOLR found that memory occupies a lot of, I want to release memory, I looked up some information, share to everyone: 1.free-m View memory usage,

PHP query near the people and their distance implementation method, PHP query distance implementation The example in this paper describes how to implement the people and their distances near PHP queries. Share to everyone for your reference, as

PHP While loop control example, while instance explained The while loop is the simplest loop in PHP, and its basic format is: while (expr) { statement} Or while (expr): statementendwhile; This syntax means that as long as the expr expression

Tutorial Four: Debug public server, debug public Before entering the formal development, we also need to master the public number development debugging methods.If we rely entirely on the received message for debugging, we will be subject to a lot

Open platform get Component_verify_ticket,cas client get ticket Official Document Description: After the approval is created on the third-party platform of the public, the server will periodically push the component_verify_ticket to its

[PHP] Back to basics (date function and Strtotime function), datestrtotime Date (): Format a local time or date, current time May 13, 2016 15:19:49 Using the function date (), the output is currently the day ordinal of the month, parameter:

Download and installation of the CodeIgniter framework, CodeIgniter framework CodeIgniter is a set of application development frameworks and toolkits that are used by developers of PHP Web sites. The first time to learn PHP, online search a lot of

PHP Do While loop instance, phpdowhile instance The Do-while loop is very similar to the while loop, except that the do-while guarantees that it must be executed once, while the while is not possible when the expression is not true. The Do-while

Very classic PHP File upload class sharing, File Upload is a common feature in project development, but the file upload process is cumbersome, as long as there is a file upload where you need to write these complex code. In order to reduce the

thinkphp Single Letter function (shortcut method) use Summary, thinkphp function This article mainly introduced the thinkphp single letter function (Quick Method) use summary, to thinkphp the Quick method to do the pertinence summary, needs the

Local C + + to a picture Base64 encoding, post submitted to the Web server, PHP after Base64_decode decoding, after saving, the picture is not correct. View and compare the source file (local source file picture) with the 16-input editor and find

Yii2 Source Learning Notes (19), Yii2 Source Learning notes View remaining code 1 /**2 * @return String|boolean The view file currently being rendered. False If no view file is being rendered.3 * The view file currently being rendered4 */5

$use=D('classone');$db=$use->alias('a')->select(); If in SQL, with SELECT b.id, B.name, t.id from book as B, type as t; It makes sense to have an alias, and here's a->alias (' a '). Reply content:

PHP Simple Operation MongoDB Method (installation and additions and deletions to change), MongoDB additions and deletions This article describes the simple operation of the MongoDB method of PHP. Share to everyone for your reference, as

Project Application redis+php scenario, project redisphp scene Objective Some of the students in some cases say why can not use String type, string type can be fully implemented AH I suggest you look at my column, "Redis Advanced Usage," which

Current environment PHP 7.0, to install MONGO and MongoDB extension, but can not find the appropriate How do I install it? Reply content: Current environment PHP 7.0, to install MONGO and MongoDB extension, but can not find the appropriate

A simple example of PHP Process Control switch, Phpswitch switch allows you to select multiple possible results for a scalar (expression). Grammar: Switch (expr) {case result1: statement1 break ; Case RESULT2: statement2 break ; ...

PHP mysqli Extension Library (Object-oriented/database operations encapsulation/transaction control/precompilation), mysqli object-oriented 1. Differences from MySQL extension libraries: (1 higher security, more stability (2 provides both

PHP simple way to get multiple checkbox values, Phpcheckbox The example in this paper describes how PHP simply obtains multiple checkbox values. Share to everyone for your reference, as follows: HTML page: PHP Page: $result = "";

The PHP array iterates through the foreach syntax structure and instances, and the foreach syntax foreach () The PHP foreach () syntax structure is used to traverse an operation or an output array, and foreach () can only be used to iterate over an