How to use compact to create an array in PHP

PHPTo create an array, array() is usually used, but in fact PHP also provides other The function creates an array. This article will show you how to use the compact() function to create an array.

First, let’s take a look at the syntax of the compact() function:

compact    ( mixed $var_name   , mixed ...$var_names   )

• $var_name: compact() Accepts variable parameters number. Each parameter can be a string containing a variable name or an array containing a variable name. The array can also contain other arrays whose unit contents are variable names. compact() can be processed recursively.

• Return value: Returns the output array, including all added variables.

Code example:

<?php
$city  = "HeFei";
$province = "AnHui";
$conty = "What";

$location = array("city", "province");
print_r($location);
echo "<br>";
$result = compact("conty", $location);
print_r($result);
?>

输出：
Array ( [0] => city [1] => province )
Array ( [conty] => What [city] => HeFei [province] => AnHui )

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