- var_dump: documentation ( source)
<?php
function lambda() {
$a = "lambda";
return function ($b) { return $a . $b; };
}
function closure() {
$a = "closure";
return function ($b) use ($a) { return $a . $b; };
}
$lambda = lambda();
$closure = closure();
var_dump($lambda(" foo"));
var_dump($closure(" foo"));