array column

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

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

Use Ext. grid. column. the Column definition Column is created as shown in the previous example. grid. you must specify the columns option when using Panel. This option is either Ext. grid. column. column array, which is either a JavaScript Object

PHP obtains an instance of a specified column in the array and an instance of a column in the php array. For a multi-dimensional array (taking a two-dimensional array as an example), you often need to obtain a column. For example, there are several

Use Ext. Grid. Column. Column to define a column As shown in the preceding example, create Ext. grid. you must specify the columns option when using panel. This option is either Ext. grid. column. the column array is either a JavaScript Object,

Subscript: The identifying name in the array is the code of the string or integer in the array Several index values in an array are referred to as several-dimensional arrays. Index value: An index is a structure that sorts the values of one or more

An array is a variable that can store a group or a series of values. * Arrays are a basic data type. Array functions can also implement data structures such as stacks and queues. Subscript: the identifier of an array, that is, the code of a string

We don't have a lot of PHP information on hand, we have a php4gb.chm. I most appreciate the library part of it, the real online help. But the pace of PHP development is so fast, you sui, I recently found some extended array functions in

Php returns a specified column in the array (php5.5.0 default function array_column () in php & amp; lt; 5.5.0 application) Array_column () returns the column with the specified key name in the array.(PHP 5> = 5.5.0)Array_column-returns a

Array_column () Returns the column of the specified key name in the array(PHP 5 >= 5.5.0)array_column-returns a column specified in the arrayPHP Reference Manual: http://www.php.net/manual/zh/function.array-column.phpWhat if the PHP version is less