xref: /PHP-5.6/Zend/tests/bug54039.phpt (revision def1ab1e)
1--TEST--
2Bug #54039 (use() of static variables in lambda functions can break staticness)
3--FILE--
4<?php
5function test_1() {
6	static $v = 0;
7	++$v;
8	echo "Outer function increments \$v to $v\n";
9	$f = function() use($v) {
10		echo "Inner function reckons \$v is $v\n";
11	};
12	return $f;
13}
14
15$f = test_1(); $f();
16$f = test_1(); $f();
17
18function test_2() {
19	static $v = 0;
20	$f = function() use($v) {
21		echo "Inner function reckons \$v is $v\n";
22	};
23	++$v;
24	echo "Outer function increments \$v to $v\n";
25	return $f;
26}
27
28$f = test_2(); $f();
29$f = test_2(); $f();
30
31function test_3() {
32	static $v = "";
33	$v .= 'b';
34	echo "Outer function catenates 'b' onto \$v to give $v\n";
35	$f = function() use($v) {
36		echo "Inner function reckons \$v is $v\n";
37	};
38	$v .= 'a';
39	echo "Outer function catenates 'a' onto \$v to give $v\n";
40	return $f;
41}
42$f = test_3(); $f();
43$f = test_3(); $f();
44--EXPECT--
45Outer function increments $v to 1
46Inner function reckons $v is 1
47Outer function increments $v to 2
48Inner function reckons $v is 2
49Outer function increments $v to 1
50Inner function reckons $v is 0
51Outer function increments $v to 2
52Inner function reckons $v is 1
53Outer function catenates 'b' onto $v to give b
54Outer function catenates 'a' onto $v to give ba
55Inner function reckons $v is b
56Outer function catenates 'b' onto $v to give bab
57Outer function catenates 'a' onto $v to give baba
58Inner function reckons $v is bab
59