- phpversion: documentation ( source)
<pre><?php
echo phpversion() . "\n\n";
//*
function foo($func) {
$func("Johnny", 2, 3, 4);
}
$mfunc = function($a, $b, $c, $d) {
echo "Hello, $a";
};
$sfunc = function($a) {
echo "Short hello, $a";
};
foo($sfunc);
//*/
?></pre>