unset array

PHP performance optimization (finishing ). PHP optimization for PHP is mainly for php. the main parameters in ini are adjusted and set properly. let's take a look at php below. some parameters in ini that have a major impact on performance should be

Reference assignment: this means that the new variable simply references the original variable (in other words, "become its alias" or "point. Changing new variables will affect the original variables, and vice versa. Value assignment: When a value

Php deletes the specified array element method. The following two efficient methods for deleting array elements are provided. you can delete the elements by specifying the deletion option. For more information, see php.net. The following code

Reference Assignment: this means that the new variable simply references the original variable (in other words, "become its alias" or "point. Changing new variables will affect the original variables, and vice versa. Reference Assignment: this means

Ec (2 ); **************************************** * ********************* & nbsp; 02 & nbsp; * & nbsp; 03 & nbsp; * & nbsp; use a specific function to process all elements in the array & nbsp; 04 & nbsp; * & nbsp; @ param & nbsp; & script ec (2);

This article mainly introduces php's improvement on merging arrays with the same key values for a certain field. For more information, see the following code: /***** Parameter description ** $ key names with the same key value ** $ array

Specify the type of the variable: Use the declare or typesetdeclare/typeset option-r read-only declare-rvar1 (the declare-rvar1 is exactly the same as readonlyvar1) which, like the const keyword in C, is used to specify the variable as read-only. if

There are two sets of data in the one array, the value of the specified key as the new index, and the value of the other key as the value of the new index. public static function index (array $array, $name) { $indexedArray = array (); if

This article to share the content is about the PHP array problem processing method, has a certain reference value, the need for friends can refer to There are two sets of data in the one array, the value of the specified key as the new index, and

In php, there are many ways to merge simple arrays, but today I want to merge arrays again based on the array ID, we only need to use array_merge to merge the simplest array operations by category. Array_merge () combines two or more arrays. the

Summary of nine common functions and functions for PHP Development. For more information about php learning, see. 1. any number of parameters of the function You may know that PHP allows you to define a default parameter function. But you may not

To delete an element from an array and use unset directly, how can we fill in the missing element and re-index the array, the following will reveal the unset that can be used directly if you want to delete an element in an array, but what you see

Usage and definition of array_push () function for php array operation functions. A simple array_push () function is a commonly used function for Array Operations. if you need it, refer to (PHP4, PHP5) array_push uses a simple array_push () function

This article mainly introduces the php implementation of separating arrays by a specified number. For more information, see. The code is as follows: /**** Separate arrays by the specified number.* @ Param array $ array the array to be split* @

Solve the garbled problem of gbk passed to JavaScript and json_encode through PHP arrays. This article introduces how to solve gbk garbled characters transmitted by PHP arrays to JavaScript and json_encode. The following describes how to create a

This article mainly introduces PHPjson_encode () function details and relevant information about Chinese garbled text. For more information, see use json_encode () built-in function (php> 5.2) in php) the data in php can be transmitted and used well

Php returns the json data function example, and php returns the json function. Php returns the json data function example. php returns the json function json_encode. Echojson_encode (array (abbbb, cddddd); this will generate a standard json format

The phpjson_encode () function returns the json data instance code, json_encodejson. The phpjson_encode () function returns the json data instance code, which is used by the json_encodejsonjson_encode () function. Echojson_encode (array (abbbb,

Php json_encodeUTF-8 Chinese garbled better solution ,. Php json_encodeUTF-8 Chinese garbled better solution, recently used in the interface code json_encode, found on the Internet said json_encode encoding set to UTF-8 Chinese will not garbled, php

Php5.2.0 memory management improvement php5.2.0 memory management has been greatly improved. in some cases, the memory cannot be released. Test the php script (mem. php). I use echo N> and sleep to control the pause of the script at a certain stage