php_example.php

/**
 * PHP is a very powerful language and I really recommend you get to know it.
 * 
 * By @erikfritas from LUMAY
 */

// Variables in PHP:
$string = 'value';
$char = 'a'; # actually is a string
$int = 12345678910111213141516171819202122;
$float = 12.22;
$boolean = true; # or false
$array = [ 'hello' ];
$obj = [ 'name' => 'erikfritas' ];
$array_and_obj = [ 'hello', 'name' => 'erikfritas' ];

# loops
for ($i=0; $i<count($array); $i++){}
foreach ($array as $i){}
while (true){}
switch ($string){
    case 'value':
        echo 'string is equals "value"';
        break;
    default:
        echo "string isn't equals 'value'";
        break;
}

# Array Functs
$request = [ 'hi' => 'hello sir!', "what's your name?" ];
$response = [ 'hi' => 'hello!', "I'm fine thanks!" ];

$request_and_response = array_merge($request, $response);

$req_keys = array_keys($request);
$req_values = array_values($request);

array_push($request, "What? Did I ask what your name is?");

// etc...

# MySQL
$pdo = new PDO('mysql:host=NameOfTheHost;dbname=NameOfDataBase;charset=utf8;', 'username', 'password');

$query = $pdo->prepare('INSERT INTO `users` VALUES (null,?,?)');

$query->execute(['value1', 'value2']);

// etc...

/**
 * Hey liked it, I hope I helped!
 * Find out more by visiting the language's official website: https://www.php.net/
 */