gistfile1.php

<?php
function partial_function() {
    $applied_args = func_get_args();
    return function() use($applied_args) {
        return call_user_func_array('call_user_func', array_merge($applied_args, func_get_args()));
    };
}

function foo($a, $b, $c) {
    echo "a: {$a} b: {$b} c: {$c}\n";
}


$foo_caller = partial_function('foo', 'A');
$foo_caller('B');
$foo_caller('C');