how to write a constrctor in php code example

Example 1: php const

<?php
    define('CONSTANT', 'Hello world !');
    const CONSTANT = 'Hello world !';
    const NEW_CONSTANT = CONSTANT.' And beyond...';
    const ANIMALS = array('dog', 'cat', 'ant');
    define('ANIMALS', array('dog', 'cat', 'ant'));
?>

Example 2: construtor php

class BaseClass {
    function __construct() {
        print "In BaseClass constructor\n";
    }
}

class SubClass extends BaseClass {
    function __construct() {
        parent::__construct();
        print "In SubClass constructor\n";
    }
}

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Php Example

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