How to assign a value to an object in php array

For objects used in PHP, sometimes it is necessary to assign values ​​through arrays, which facilitates operation and management, and facilitates the management of large object data. This article will introduce how to use PHP arrays to assign values ​​to objects.

1. Definition of object

An object is a data type used to store specific types of data or data structures. PHP allows us to create our own classes and objects, which can easily create, operate and manage objects. Objects are defined by classes. A class is a "blueprint" used to define an object. It describes the characteristics and behavior of one or more objects.

2. PHP array

PHP array is a container that can store multiple values. Arrays can store various types of values, including strings, numbers, objects, etc. In PHP, arrays can be defined using the following method:

$a = array("red", "green", "blue"); //Ordinary array

$b = array( "name" => "Tom", "age" => 25); //Associative array

3. Assignment of objects

For objects in PHP, we can directly Assign its properties. But what should we do if we want to batch assign multiple objects? At this time you can use arrays.

First, we need to create an object:

class Person{

private $name;

private $age;

public function setName($name){

$this->name = $name;

}

public function setAge($age){

$this->age = $age;

}

}

$person = new Person();

Next, we can use The array assigns values ​​to its properties:

$personArr = array("name"=>"Tom", "age"=>25);

foreach($personArr as $key => $value){

$methodName = 'set' . ucfirst($key); //Use the ucfirst() function to capitalize the first letter

$person->$methodName ($value);

}

At this point, the $person object has been correctly assigned.

4. Summary

The above is the method of assigning values ​​to objects using PHP arrays. Through arrays, we can assign values ​​to objects in batches, making it easier and faster to operate and manage objects. In actual projects, we can flexibly apply this method according to specific needs to improve production efficiency.

5. Reference link

1. PHP official website: https://www.php.net
2. PHP Chinese manual: https://www.php.net /manual/zh
3. PHP Tutorial: https://www.runoob.com/php/php-tutorial.html

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