How to use compact function

PHP compact() function is used to create an array, including variable names and their values.

php compact() function syntax

Function: Create an array containing variable names and their values

Syntax:

compact(var1,var2...)

Parameters:

var1 Required. Can be a string with a variable name, or an array of variables.

var2,... Optional. Can be a string with a variable name, or an array of variables. Multiple parameters are allowed.

Description: Create an array containing variable names and their values. Any string that does not have a corresponding variable name is ignored.

php compact() function example 1

<?php
$firstname = "西门";
$lastname = "灭绝";
$age = "25";
$result = compact("firstname", "lastname", "age");
print_r($result);
?>

Output:

Array ( [firstname] => 西门 [lastname] => 灭绝 [age] => 25 )

php compact() function example 2

<?php
$name = "无忌";
$job = "讲师";
$age = "20";
$result = compact("name", "job", "age");
print_r($result);
?>

Output:

Array ( [name] => 无忌 [job] => 讲师 [age] => 20 )

This article is an introduction to the PHP compact function. I hope it will be helpful to friends in need!

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