xref: /PHP-7.0/tests/lang/func_num_args.004.phpt (revision 775389cd)
1--TEST--
2Pass same variable by ref and by value.
3--FILE--
4<?php
5function valRef($x, &$y) {
6	var_dump($x, $y);
7	var_dump(func_num_args());
8	$x = 'changed.x';
9	$y = 'changed.y';
10	var_dump(func_num_args());
11}
12
13function refVal(&$x, $y) {
14	var_dump($x, $y);
15	var_dump(func_num_args());
16	$x = 'changed.x';
17	$y = 'changed.y';
18	var_dump(func_num_args());
19}
20
21
22echo "\n\n-- Val, Ref --\n";
23$a = 'original.a';
24valRef($a, $a);
25var_dump($a);
26
27echo "\n\n-- Ref, Val --\n";
28$b = 'original.b';
29refVal($b, $b);
30var_dump($b);
31?>
32--EXPECTF--
33
34
35-- Val, Ref --
36string(10) "original.a"
37string(10) "original.a"
38int(2)
39int(2)
40string(9) "changed.y"
41
42
43-- Ref, Val --
44string(10) "original.b"
45string(10) "original.b"
46int(2)
47int(2)
48string(9) "changed.x"
49