<?php
// passing by value
function modify_array($array)
{
foreach ($array as $key => $value) {
$array[$key] = "modified";
}
}
$a = range(10, 17);
modify_array($a);
print_r($a);
// passing by reference
function modify_array_2(&$array)
{
foreach ($array as $key => $value) {
$array[$key] = "modified";
}
}
modify_array_2($a);
print_r($a);
// Anonymous functionc/closures
$greet = function ($name) {
return "Hello " . $name . "\n";
};
// a function that does something and calls back the function supplied
function calls_back($array, $func)
{
foreach ($array as $person) {
echo $func($person);
}
/**
* Get the html arguments
*
* @return string $html
*/
private function get_html_args()
{
$remove = array('max_length', 'max_width', 'precision', 'lambda', 'dir');
return modify_array($this->params, $remove);
}
