php loop through multidimensional associative array

type of PHP array-associative array What is a php associative array? In the previous article we introduced the "type of PHP array-numeric index array", today we specifically introduced the next associative array. In addition to array index arrays,

PHP array definition and array traversal, PHP Array function usage and examples, PHP array value assignment, PHP multidimensional array of the loop output, etc., for everyone to learn reference. 1, PHP array definition and traversal 2, PHP

Basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Get the value of an arrayArray_keys ($arr); Gets the key name of the arrayArray_flip ($arr); the values in the array are exchanged with the key names (if

PHP Tutorial: Array declaration, traversal, array global variables Copy CodeThe code is as follows: /* * First, an overview of arrays * 1. The nature of the array: managing and manipulating a set of variables, batch processing * 2. Compound type

The declaration of an array 1, direct assignment way to declare an array $ array variable name [index value] = data content//The index value (subscript) can be a string or a number But sometimes, we can also assign values directly to the array,

forum-20160919104018">forum-20160919104018">The array in PHP is actually an ordered map. A map is a type that associates values to the keys. This type is optimized in many ways, so it can be used as a real array, or as a list (vector), a hash (an

The array in PHP is actually an ordered map. A map is a type that associates values to the keys. This type is optimized in many ways, so it can be used as a real array, or as a list (vector), a hash (an implementation of a mapping), a dictionary, a

Definition of an arrayThe essence of an array is to manage and manipulate a set of variables, which can store arbitrary lengths of data, and can store any type of data. The cells in the array are called elements, each element includes subscripts

①each () function each () function needs to pass an array as an argument, return the key/value pair of the current element in the array, and move the array pointer backwards to the next element's position. The key/value pairs are returned with an

PHP, a nested abbreviated name, is an abbreviation for the English Super Text preprocessing language (Php:hypertext preprocessor). PHP is an HTML embedded language, PHP and Microsoft's ASP quite a bit similar, is a server-side implementation of