Learn PHP's array summary "experience", PHP array Summary
PHP has a lot of functions for arrays, which makes it easy to manipulate arrays.
Defined:
The array contains two items per entity: Key and value, which can be obtained by querying the key.
Ange ($low, $high), Range ($low, $high, $step);//Create an array of sequential values such as: Range (1,4) as (1,2,3,4) and range (' A ', ' Z ')
Each ($array) returns the current element of the array sequentially, and sets the next element to the
1. Merging Arrays
The Array_merge () function merges the arrays together to return an array of unions. The resulting array starts with the first input array parameter, forcing it sequentially in the order in which the array parameters appear later.
We do not have a lot of PHP data, we do not have a copy of the Php4gb.chm. I admire the function library part of it most, the real online help. But the pace of PHP development is so fast, you sui, I recently found some extended array functions in
Some php array learning notes. There are three types of php arrays: a numeric array with a numeric ID key, and an ID key in an array associated with a value multi-dimensional array containing one or more arrays, there are three types of php arrays:
Php array tool Class PHP two-dimensional array deduplication function & lt ;? Phpfunctionunique_array_2d ($ array2D, $ stkeepfalse, $ ndformattrue) {judge whether to retain the primary array key (the primary array key can be non-numeric) if ($
Array: Creates a new array.Array_walk: Lets a user customize a function to handle every element in an array.Arsort: Sorts the values of an array from large to small.Asort: Sorts the values of an array from small to large.Count: Calculates the number
The technique is not fine, must have the mistake, also please point out, I will correct.
Copy the Code code as follows:
Header (' content-type:text/html; Charset=utf-8 ');Echo '
';function Var_array ($array){Echo 'Echo '';}function Printr
The technology is not refined. If you have any mistakes, please point out that I will correct them.Copy codeThe Code is as follows:Header ('content-Type: text/html; charset = UTF-8 ');Echo ' ';Function var_array ($ array){Echo ' ';Var_dump ($ array )
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