xref: /PHP-8.1/Zend/tests/double_to_string.phpt (revision f8d79582) 
1--TEST--
2double to string conversion tests
3--INI--
4precision=14
5--SKIPIF--
6<?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?>
7--FILE--
8<?php
9
10$doubles = array(
11    290000000000000000,
12    290000000000000,
13    29000000000000,
14    29000000000000.123123,
15    29000000000000.7123123,
16    29000.7123123,
17    239234242.7123123,
18    0.12345678901234567890,
19    10000000000000,
20    100000000000000,
21    1000000000000000001,
22    100000000000001,
23    10000000000,
24    999999999999999,
25    9999999999999999,
26    (float)0
27    );
28
29foreach ($doubles as $d) {
30    var_dump((string)$d);
31}
32
33echo "Done\n";
34?>
35--EXPECTF--
36string(7) "2.9E+17"
37string(7) "2.9E+14"
38string(%d) "2%s"
39string(%d) "2%s"
40string(%d) "29%d"
41string(13) "29000.7123123"
42string(15) "239234242.71231"
43string(16) "0.12345678901235"
44string(14) "10000000000000"
45string(7) "1.0E+14"
46string(7) "1.0E+18"
47string(7) "1.0E+14"
48string(11) "10000000000"
49string(7) "1.0E+15"
50string(7) "1.0E+16"
51string(1) "0"
52Done
53