PHP Arrays Array ()

Definition and usage

Array () creates arrays with keys and values. If the key is omitted when the array is created, an integer key is generated, starting from 0 by default and incrementing by 1.

Create an array with array () and use the = = to separate the keys and values.

To create an empty array, the parameter is not passed to array ():

$new = Array ();

Note: Array () is actually a language structure (language construct), which is typically used to define a direct array, but its usage is very similar to that of a function, so we'll also list it in the manual.

Grammar:

Parameters	Describe
Key	Optional. The specified key, type is numeric or string. If not set, the key of the integer type is generated.
Value	Necessary. Specified value.

Example 1

Output:

Array (  [A] = AA  [b] = BB  [c] = CC)

Example 2

Output:

Array (  [0] = AA  [1] = BB  [2] = CC)

　　

PHP Arrays Array ()