array keys

Common PHP array methods. Read the array $ arrarray (xx cross, yy); echo reads the first one :. $ arr [xx]; number of arrays $ arrayarray (aaa, bbb, ccc, ddd); number of echo arrays :. count ($ array ). n; calculate the array single // read the

PHP code optimization skills: 40, without detours. 1. if a method can be static, it is declared as static, and the speed can be improved by 14; 2. echo is more efficient than print. because echo does not return a value, print returns an integer. 3.

Php operation array (merge, split, append, search, delete, etc ). 1. the array_merge () function combines the arrays and returns a Union array. The obtained array starts with the first input array parameter. 1. Merge arrays The array_merge ()

Summary of three methods for generating random passwords in php. When using PHP to develop applications, especially website programs, you often need to generate random passwords. for example, if you register a user to generate a random password, you

40 tips for PHP code flying (improving php efficiency ). 1. if a method can be static, it is declared as static, and the speed can be improved by 14; 2. echo is more efficient than print. because echo does not return a value, print returns an

The array_unique () function of PHP allows you to pass an array, remove duplicate values, and return an array with unique values, this article describes how to implement PHP array deduplication quickly. For more information, see this

This article mainly introduces the Zend_View usage of the view component in the ZendFramework tutorial, analyzes in detail the principle of trying to use the Zend_View component, and analyzes the usage skills of Zend_View in the form of instances,

When using PHP to develop applications, especially website programs, you often need to generate random passwords. This article collects several methods to generate random strings, which is helpful to you. If a user registers to generate a random

This article provides a detailed summary and analysis of PHP code optimization techniques. For more information, see Summary of optimizing PHP code skills1. if a method can be static, declare it as static, and the speed can be increased by 1/4; 2.

Deletes a value from an array! --> $velocityCount--> --> 1. [PHP] code Function array_remove_key ($ array, $ keys) {$ num = count ($ keys); $ num_last = $ num-1; $ this_array_0 = & $ array; $ last_key = $ keys [$ num_last]; for ($ I = 0; $

How to merge PHP arrays? First, let's introduce what array_merge () is: it combines an array unit or multiple array units, and adds the values in an array to the back of the previous array, returns an array of results. In the previous article "PHP

PHPmemcache implements message queue instances. Currently, memcache is widely used in server cache. here is an example of implementing message queue waiting in memcache. For more information, see. The principle of memche message queue is now widely

When using PHP to develop applications, especially website programs, you often need to generate random passwords. for example, if you register a user to generate a random password, you also need to generate a random password to reset the password.

If a method can be static, it is declared as static, and the speed can be improved by 1/4. echo is more efficient than print. because echo does not return a value, print returns an integer; set the maximum number of cycles before the loop, not in

Delete a value in an array in php. compatible with multi-dimensional arrays. For more information, see The code is as follows: Function array_remove_key ($ array, $ keys) { $ Num = count ($ keys ); $ Num_last = $ num-1; $ This_array_0 = & $

This article describes how php performs operations on two-dimensional arrays, including sorting, transforming, removing spaces, and deduplication of two-dimensional arrays by php. For more information, see Tip: Array_keys ($ array) // returns all

This article mainly introduces the usage of the php Sina Weibo login interface, analyzes the application and specific usage skills of the Sina Weibo interface in the form of examples, and has some reference value. For more information, see This

1. in prototype mode 1.1, each function we create has a prototype attribute, which is a pointer pointing to an object, the purpose of this object is to include attributes and methods that can be shared by all instances of a specific type. A simple

This article describes how php performs operations on two-dimensional arrays, including sorting, transforming, removing spaces, and deduplication of two-dimensional arrays by php. For more information, see This article describes how php performs

1. Functions related to file typesPHP is modeled on UNIX file systems, so we can only get "file", "dir", or "unknown" in the Windows system for three types of files. In Unix systems, we can get 7 types of "block", "Char", "dir", "FIFO", "File",