string or array type

Today review code, see some uncle in the generic string type of a collection or array of string type into a comma-spaced strings form when still only focus on the results do not pay attention to the process, "Big uncle" can we take

Let's talk about how to convert a String-type set or String-type array to a comma-separated string in the simplest way. Today's review Code shows that some grandfathers still ignore the process when converting a String-type set or String-type array

1. The concept of arrays An array is a named range that is used to store a series of variable values. Each array element has an associated index (also a keyword) that can be used to access elements. PHP allows you to use numbers or strings evenly

From: http://www.ibm.com/developerworks/cn/java/j-arrays/#3 Array reflection If, for some reason, you are not sure whether the parameter or object is an array, you can retrieveClassObject and ask it.ClassClassisArray()The method will tell you. Once

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)

Two-dimensional array, multidimensional array, string array; Two-dimensional arrays: The concept of a two-dimensional array: An array of two subscripts following an array name is called a two-dimensional array Definition: Type descriptor array name [

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.

Php array declaration, traversal, array global variables. Php Tutorial array declaration, traversal, array global variable [php]? ** 1. Array Overview * 1. the essence of arrays: managing and operating a group of variables, batch processing * 2.

This paper illustrates the common operation of JS array and the method of mutual transformation between array and string. Share to everyone for your reference, specific as follows: The transformation of array and string Common

An array is a sequence of values, in contrast, the object's property name is unordered. In essence, arrays use numbers as lookup keys, while objects have user-defined property names. JavaScript does not have a true associative array, but the object