comparison vendor/sebastian/global-state/src/CodeExporter.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children 1fec387a4317
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2 /*
3 * This file is part of the GlobalState package.
4 *
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
6 *
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
9 */
10
11 namespace SebastianBergmann\GlobalState;
12
13 /**
14 * Exports parts of a Snapshot as PHP code.
15 */
16 class CodeExporter
17 {
18 /**
19 * @param Snapshot $snapshot
20 * @return string
21 */
22 public function constants(Snapshot $snapshot)
23 {
24 $result = '';
25
26 foreach ($snapshot->constants() as $name => $value) {
27 $result .= sprintf(
28 'if (!defined(\'%s\')) define(\'%s\', %s);' . "\n",
29 $name,
30 $name,
31 $this->exportVariable($value)
32 );
33 }
34
35 return $result;
36 }
37
38 /**
39 * @param Snapshot $snapshot
40 * @return string
41 */
42 public function iniSettings(Snapshot $snapshot)
43 {
44 $result = '';
45
46 foreach ($snapshot->iniSettings() as $key => $value) {
47 $result .= sprintf(
48 '@ini_set(%s, %s);' . "\n",
49 $this->exportVariable($key),
50 $this->exportVariable($value)
51 );
52 }
53
54 return $result;
55 }
56
57 /**
58 * @param mixed $variable
59 * @return string
60 */
61 private function exportVariable($variable)
62 {
63 if (is_scalar($variable) || is_null($variable) ||
64 (is_array($variable) && $this->arrayOnlyContainsScalars($variable))) {
65 return var_export($variable, true);
66 }
67
68 return 'unserialize(' . var_export(serialize($variable), true) . ')';
69 }
70
71 /**
72 * @param array $array
73 * @return bool
74 */
75 private function arrayOnlyContainsScalars(array $array)
76 {
77 $result = true;
78
79 foreach ($array as $element) {
80 if (is_array($element)) {
81 $result = self::arrayOnlyContainsScalars($element);
82 } elseif (!is_scalar($element) && !is_null($element)) {
83 $result = false;
84 }
85
86 if ($result === false) {
87 break;
88 }
89 }
90
91 return $result;
92 }
93 }