array keys

1. Static as much as possible: If a method can be static, it is declared as static, and the speed can be increased by 1/4, or even increased by nearly three times during my testing.Of course, this test method needs to be executed more than 100,000

1. If a method can be static, declare it as static, and the speed can be increased by 1/4; 2. The echo efficiency is higher than that of print. Because ECHO does not return a value, print returns an integer; 3. Set the maximum number of cycles

For a large message queue, it is too costly to frequently serialize and deserialize large databases. The following is a message queue that I implemented using PHP. I only need to insert a data at the end of the queue to operate the end, without

Function array_diff ($ array_1, $ array_2 ){ $ Diff = array (); Foreach ($ array_1 as $ k => $ V1 ){$ Flag = false;Foreach ($ array_2 as $ V2 ){If ($ flag = ($ V1 = $ V2 )){Break;}} If (! $ Flag ){$ Diff [$ K] = $ V1;}} Return $ diff;}

1. Static as much as possible:If a method can be static, it is declared as static, and the speed can be increased by 1/4, or even increased by nearly three times during my testing.Of course, this test method needs to be executed more than 100,000

Copy codeThe Code is as follows: 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; $ I { $ This_key = $ keys [$ I]; $ This_

Highcharts data representation (3) and highcharts Data RepresentationHighcharts data representation (3) uses an array of objects to specify the value of each item on the node. However, when many nodes exist, a large amount of redundant code is

The random password is a string of fixed length. Here I have collected several methods to generate random strings for your reference. Method 1: 1. Generate a random integer in 33-126, for example, 35,2. convert 35 to corresponding ASCII characters,

PHP has a large number of array functions. The following is a summary of my learning, so that you can easily identify them later ...... I. array definition:The array definition uses the array () method to define an empty array: . Foreach traversal:

Php determines whether it is an array program code. In php, it is very easy to determine whether the variable is an array. Using the is_array () function in php can quickly determine whether the variable is an array. I will introduce it to you below.

Php Sina Weibo logon interface usage instance, php Sina. Php Sina Weibo logon interface usage example. php Sina this article describes the php Sina Weibo logon interface usage. Share it with you for your reference. The specific analysis is as

40 tips for optimizing php code. 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. before the Loop 1.

Filter FiltersVariables can be modified by filters. Filters and variables are separated by (|). Filters can also have parameters. Filters can also be used in multiple uses.Universal FilterDate FilterVersion 1.1 adds time zone support, and version 1.5

This post mainly introduces the principle and implementation of the common data structure of hash table. Because the personal level is limited, the article inevitably exists inaccurate or unclear place, hoped that everybody may correct:I.

Using map as an associative arrayMapAdvanceTest.cpp#include #includestring>#include#include#include"MapAdvanceTest.h"#include".. /.. /core/containerutil.h"using namespacestd;voidMapadvancetest::useasassociativearray () {//Create map/associative

first, the composition of PHPSDK See 6 files in it: callback.php, config.php, index.php, weibolist.php, weibooauth.php, and. Ds_store 6 files. Read the official API document

This article introduces the contents of the deletion of the array of PHP elements, has a certain reference value, now share to everyone, the need for friends can refer to Several methods of removing array elements in PHP in many cases our arrays

This article provides a detailed analysis of PHP security detection code snippets. For more information, see The code is as follows: /** * Html conversion output (only Escape '"to keep Html running properly)* @ Param $ param* @ Return

Configuration Files Section Class conn = new mysqli ($host, $username, $passwd); $this->selectdb ($dbname); $this->coding ($COD); }//Set the encoding format public function coding ($cod) {mysql_query ("set CHARACTER set". $cod);

arrays, which can be said to be a more important way of data application in PHP. PHP array functions are numerous, below is a few summary, take this to remember, easy to later. 1. Array definitionsThe definition of an array is defined using the