Two Dimensional Array

PHP Tutorial Traversing two-dimensional array and multi-dimensional array code On the PHP array, let's talk about two-dimensional array and multi-dimensional traversal code, the following three examples to test the array traversal PHP code function. * / function arr_foreach ($ arr) {if (! is_array ($ arr)) {return false;} foreach ($ arr as $ key = & ...

An array is a collection of data that organizes a series of data to form an operational whole. Each entity in the array contains two keys and values. First, what is the array Array is a collection of data, a series of data organized together to form an operational whole. Each entity in the array contains two keys and values. Second, the statement data There are two main ways to declare an array in PHP: First, the array () function declaration array, one is directly assigned to the array element. Fei Fei Asp! Technology Paradise <1> array () function ...

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Array_multisort (PHP4 >= 4.0b4) array_multisort---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Array syntax for sorting composite or multiple dimensions: bool Array_multisort (Array ar1 [, mixed arg [, mixed ...).

Array (unknown) array---Create a new array syntax: array&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Array ([mixed ...]); Description: Returns an array of parameters that can be given an index value with the "=>" operator, which is not a normal function, mainly used to represent an array ...

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This article analyzes and introduces a variety of use of regular extraction of the map in the picture, see all the following examples I can not preg_match_all this function, there is a need for friends to refer to. --code as follows copy code <?php//Get page All picture address function getimages ($str) {$match _str = "/(http://) + ([^ rn ...)

The GetField method is the method used in thinkphp to get the value of a field, distinguished from the Select and find methods, and is typically used only to get the values of individual fields. But the fact is not that simple, the use of this method is summarized as follows: &http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; Get a field value this is the most basic use of the GetField method to get a word that matches the criteria ...