spl_autoload_register

bool spl_autoload_register ([ callable $autoload_function [, bool $throw = true [, bool $prepend = false ]]] )

Register given function as __autoload() implementation

Register a function with the spl provided __autoload stack. If the stack is not yet activated it will be activated.


<?php// function __autoload($class) {
//     include 'classes/' . $class . '.class.php';
// }function my_autoloader($class) {
    include 'classes/' . $class . '.class.php';
}spl_autoload_register('my_autoloader');// Or, using an anonymous function as of PHP 5.3.0spl_autoload_register(function ($class) {
    include 'classes/' . $class . '.class.php';
});?>

5.3.0 Namespaces support was introduced. 5.3.0 The prepend parameter was added.

PHP Strategy Pattern OOP | 29

json_encode - Returns the JSON representation of a value

string json_encode ( mixed $value [, int $options = 0 ] )

Returns the JSON representation of a value

Returns a string containing the JSON representation of value.


<?php
$arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5);

echo json_encode($arr);?>

5.4.0 JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, and JSON_UNESCAPED_UNICODE options were added. 5.3.3 JSON_NUMERIC_CHECK option was added. 5.3.0 The options parameter was added.

JSON - PHP y Javascript