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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\VarDumper\Caster;
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13
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14 use Symfony\Component\VarDumper\Cloner\Stub;
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15
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16 /**
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17 * Casts SPL related classes to array representation.
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18 *
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19 * @author Nicolas Grekas <p@tchwork.com>
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20 */
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21 class SplCaster
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22 {
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23 private static $splFileObjectFlags = [
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24 \SplFileObject::DROP_NEW_LINE => 'DROP_NEW_LINE',
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25 \SplFileObject::READ_AHEAD => 'READ_AHEAD',
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26 \SplFileObject::SKIP_EMPTY => 'SKIP_EMPTY',
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27 \SplFileObject::READ_CSV => 'READ_CSV',
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28 ];
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29
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30 public static function castArrayObject(\ArrayObject $c, array $a, Stub $stub, $isNested)
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31 {
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32 return self::castSplArray($c, $a, $stub, $isNested);
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33 }
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34
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35 public static function castArrayIterator(\ArrayIterator $c, array $a, Stub $stub, $isNested)
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36 {
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37 return self::castSplArray($c, $a, $stub, $isNested);
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38 }
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39
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40 public static function castHeap(\Iterator $c, array $a, Stub $stub, $isNested)
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41 {
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42 $a += [
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43 Caster::PREFIX_VIRTUAL.'heap' => iterator_to_array(clone $c),
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44 ];
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45
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46 return $a;
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47 }
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48
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49 public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, $isNested)
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50 {
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51 $prefix = Caster::PREFIX_VIRTUAL;
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52 $mode = $c->getIteratorMode();
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53 $c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
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54
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55 $a += [
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56 $prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' | '.(($mode & \SplDoublyLinkedList::IT_MODE_DELETE) ? 'IT_MODE_DELETE' : 'IT_MODE_KEEP'), $mode),
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57 $prefix.'dllist' => iterator_to_array($c),
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58 ];
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59 $c->setIteratorMode($mode);
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60
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61 return $a;
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62 }
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63
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64 public static function castFileInfo(\SplFileInfo $c, array $a, Stub $stub, $isNested)
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65 {
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66 static $map = [
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67 'path' => 'getPath',
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68 'filename' => 'getFilename',
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69 'basename' => 'getBasename',
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70 'pathname' => 'getPathname',
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71 'extension' => 'getExtension',
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72 'realPath' => 'getRealPath',
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73 'aTime' => 'getATime',
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74 'mTime' => 'getMTime',
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75 'cTime' => 'getCTime',
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76 'inode' => 'getInode',
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77 'size' => 'getSize',
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78 'perms' => 'getPerms',
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79 'owner' => 'getOwner',
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80 'group' => 'getGroup',
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81 'type' => 'getType',
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82 'writable' => 'isWritable',
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83 'readable' => 'isReadable',
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84 'executable' => 'isExecutable',
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85 'file' => 'isFile',
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86 'dir' => 'isDir',
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87 'link' => 'isLink',
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88 'linkTarget' => 'getLinkTarget',
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89 ];
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90
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91 $prefix = Caster::PREFIX_VIRTUAL;
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92
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93 foreach ($map as $key => $accessor) {
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94 try {
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95 $a[$prefix.$key] = $c->$accessor();
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96 } catch (\Exception $e) {
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97 }
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98 }
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99
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100 if (isset($a[$prefix.'realPath'])) {
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101 $a[$prefix.'realPath'] = new LinkStub($a[$prefix.'realPath']);
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102 }
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103
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104 if (isset($a[$prefix.'perms'])) {
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105 $a[$prefix.'perms'] = new ConstStub(sprintf('0%o', $a[$prefix.'perms']), $a[$prefix.'perms']);
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106 }
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107
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108 static $mapDate = ['aTime', 'mTime', 'cTime'];
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109 foreach ($mapDate as $key) {
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110 if (isset($a[$prefix.$key])) {
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111 $a[$prefix.$key] = new ConstStub(date('Y-m-d H:i:s', $a[$prefix.$key]), $a[$prefix.$key]);
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112 }
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113 }
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114
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115 return $a;
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116 }
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117
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118 public static function castFileObject(\SplFileObject $c, array $a, Stub $stub, $isNested)
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119 {
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120 static $map = [
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121 'csvControl' => 'getCsvControl',
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122 'flags' => 'getFlags',
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123 'maxLineLen' => 'getMaxLineLen',
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124 'fstat' => 'fstat',
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125 'eof' => 'eof',
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126 'key' => 'key',
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127 ];
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128
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129 $prefix = Caster::PREFIX_VIRTUAL;
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130
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131 foreach ($map as $key => $accessor) {
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132 try {
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133 $a[$prefix.$key] = $c->$accessor();
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134 } catch (\Exception $e) {
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135 }
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136 }
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137
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138 if (isset($a[$prefix.'flags'])) {
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139 $flagsArray = [];
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140 foreach (self::$splFileObjectFlags as $value => $name) {
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141 if ($a[$prefix.'flags'] & $value) {
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142 $flagsArray[] = $name;
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143 }
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144 }
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145 $a[$prefix.'flags'] = new ConstStub(implode('|', $flagsArray), $a[$prefix.'flags']);
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146 }
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147
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148 if (isset($a[$prefix.'fstat'])) {
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149 $a[$prefix.'fstat'] = new CutArrayStub($a[$prefix.'fstat'], ['dev', 'ino', 'nlink', 'rdev', 'blksize', 'blocks']);
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150 }
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151
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152 return $a;
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153 }
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154
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155 public static function castFixedArray(\SplFixedArray $c, array $a, Stub $stub, $isNested)
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156 {
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157 $a += [
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158 Caster::PREFIX_VIRTUAL.'storage' => $c->toArray(),
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159 ];
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160
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161 return $a;
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162 }
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163
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164 public static function castObjectStorage(\SplObjectStorage $c, array $a, Stub $stub, $isNested)
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165 {
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166 $storage = [];
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167 unset($a[Caster::PREFIX_DYNAMIC."\0gcdata"]); // Don't hit https://bugs.php.net/65967
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168
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169 $clone = clone $c;
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170 foreach ($clone as $obj) {
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171 $storage[] = [
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172 'object' => $obj,
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173 'info' => $clone->getInfo(),
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174 ];
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175 }
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176
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177 $a += [
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178 Caster::PREFIX_VIRTUAL.'storage' => $storage,
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179 ];
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180
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181 return $a;
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182 }
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183
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184 public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub, $isNested)
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185 {
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186 $a[Caster::PREFIX_VIRTUAL.'innerIterator'] = $c->getInnerIterator();
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187
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188 return $a;
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189 }
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190
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191 private static function castSplArray($c, array $a, Stub $stub, $isNested)
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192 {
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193 $prefix = Caster::PREFIX_VIRTUAL;
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194 $class = $stub->class;
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195 $flags = $c->getFlags();
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196
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197 if (!($flags & \ArrayObject::STD_PROP_LIST)) {
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198 $c->setFlags(\ArrayObject::STD_PROP_LIST);
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199 $a = Caster::castObject($c, $class);
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200 $c->setFlags($flags);
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201 }
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202 $a += [
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203 $prefix.'flag::STD_PROP_LIST' => (bool) ($flags & \ArrayObject::STD_PROP_LIST),
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204 $prefix.'flag::ARRAY_AS_PROPS' => (bool) ($flags & \ArrayObject::ARRAY_AS_PROPS),
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205 ];
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206 if ($c instanceof \ArrayObject) {
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207 $a[$prefix.'iteratorClass'] = new ClassStub($c->getIteratorClass());
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208 }
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209 $a[$prefix.'storage'] = $c->getArrayCopy();
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210
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211 return $a;
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212 }
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213 }
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