UpstatePHP 101: Persistence

index.php

<?php
echo '<pre>';

echo '<br><br><br>';

$value = 10;
$value2 = '10';

var_dump($value == $value2); // true
echo '<br>';
var_dump($value === $value2); // false




echo '<h3>Value</h3>';

$value = 'YEA SUCKAS!';

echo '<h4>before</h4>';
var_dump($value);

file_put_contents('value.txt', $value);

echo '<h4>after</h4>';
$newValue = file_get_contents('value.txt');
var_dump($newValue);





echo '<br><br><br><br><br><br><br><br><br><br><br><br><br>';
echo '<br><br><br><br><br><br><hr><br><br><br><br><br><br>';






echo '<h3>Array</h3>';

$array = [
    'name' => 'Red Beard',
    'size' => 'Husky',
    'float' => 444.22,
    'int' => 40
];

echo '<h4>before</h4>';
var_dump($array);

file_put_contents('array.txt', $array);

echo '<h4>after</h4>';
$newArray = file_get_contents('array.txt');
var_dump($newArray);


echo '<br><br><br><br><br><br>';



echo '<h3>Array - Serialize</h3>';

echo '<h4>before</h4>';
var_dump($array);
var_dump(serialize($array));

file_put_contents('array.txt', serialize($array));

echo '<h4>after</h4>';
$newArray = unserialize(file_get_contents('array.txt'));
var_dump(file_get_contents('array.txt'));
var_dump($newArray);

var_dump($array === $newArray); //



echo '<br><br><br><br><br><br><br><br><br><br><br><br><br>';
echo '<br><br><br><br><br><br><hr><br><br><br><br><br><br>';






echo '<h3>Object</h3>';

$object = new StdClass();
$object->name = 'Big Drum';
$object->type = 'Awesome';

echo '<h4>before</h4>';
var_dump($object);
var_dump(serialize($object));

file_put_contents('object.txt', serialize($object));

echo '<h4>after</h4>';
$newObject = unserialize(file_get_contents('object.txt'));
var_dump(file_get_contents('object.txt'));
var_dump($newObject);

var_dump($object === $newObject); //


echo '<br><br><br><br><br><br>';




echo '<h3>Custom Object</h3>';

class Test
{
    private $height;
    private $width;

    public function __construct()
    {
        $this->height = 10;
        $this->width = 2;
    }
}

$customObject = new Test;

echo '<h4>before</h4>';
var_dump($customObject);

file_put_contents('customObject.txt', serialize($customObject));

echo '<h4>after</h4>';
$newCustomObject = unserialize(file_get_contents('customObject.txt'));
var_dump($newCustomObject);








echo '<br><br><br><br><br><br><br><br><br><br><br><br><br>';