php iterate over array

Reference URL: http://www.jb51.net/article/29949.htmThe most efficient of these three methods is the use of a foreach statement to iterate over an array. The foreach structure has been introduced since PHP4, which is a statement designed

There are many functions in PHP that can be used to iterate over an array, such as: For statement, list, each, foreach, four functions, which is also a few of the main functions of traversing the array in PHP, let me introduce to you. foreach

PHP has a lot of functions about arrays to facilitate array manipulation. Defined: Each entity of an array contains two items: key and value, which can be retrieved by a query key. These keys can be numeric (numerical) or associated (associative)

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

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

This article mainly introduces the 3 methods of the PHP loop traversal array list (), each () and while summary, focusing on the mixed use of the 3 methods of the explanation. ①each () function each () function needs to pass an array as an argument,

Array( [name] => Array ( [0] => 2.png [1] => 3.png [2] => 4.png ) [type] => Array ( [0] => image/png [1] => image/png [2] => image/png ) [tmp_name]

Walkthrough of a PHP Array This article mainly explains the For,foreach,list,each,key, the pointer operation correlation function, the array_flip, the array_reverse,array_walks and so on function's logarithmic group's traversal 1.for Looping

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.

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.