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1 | <?php |
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2 | |||
3 | namespace SilverStripe\Config\Collections; |
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4 | |||
5 | use SilverStripe\Config\MergeStrategy\Priority; |
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6 | use SilverStripe\Config\Middleware\MiddlewareAware; |
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7 | use SilverStripe\Config\Transformer\TransformerInterface; |
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8 | use Serializable; |
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9 | |||
10 | /** |
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11 | * Basic mutable config collection stored in memory |
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12 | */ |
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13 | class MemoryConfigCollection implements MutableConfigCollectionInterface, Serializable |
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14 | { |
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15 | use MiddlewareAware; |
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16 | |||
17 | /** |
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18 | * Stores a list of key/value config prior to middleware being applied |
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19 | * |
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20 | * @var array |
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21 | */ |
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22 | protected $config = []; |
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23 | |||
24 | /** |
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25 | * Call cache for non-trivial config calls including middleware |
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26 | * |
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27 | * @var array |
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28 | */ |
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29 | protected $callCache = []; |
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30 | |||
31 | /** |
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32 | * @var array |
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33 | */ |
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34 | protected $metadata = []; |
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35 | |||
36 | /** |
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37 | * @var array |
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38 | */ |
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39 | protected $history = []; |
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40 | |||
41 | /** |
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42 | * @var boolean |
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43 | */ |
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44 | protected $trackMetadata = false; |
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45 | |||
46 | /** |
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47 | * ConfigCollection constructor. |
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48 | * |
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49 | * @param bool $trackMetadata |
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50 | */ |
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51 | 31 | public function __construct($trackMetadata = false) |
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52 | { |
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53 | 31 | $this->trackMetadata = $trackMetadata; |
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54 | 31 | } |
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55 | |||
56 | /** |
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57 | * @return static |
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58 | */ |
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59 | public static function create() |
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60 | { |
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61 | return new static(); |
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62 | } |
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63 | |||
64 | /** |
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65 | * Trigger transformers to load into this store |
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66 | * |
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67 | * @param TransformerInterface[] $transformers |
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68 | * @return $this |
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69 | */ |
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70 | 18 | public function transform($transformers) |
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71 | { |
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72 | 18 | foreach ($transformers as $transformer) { |
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73 | 18 | $transformer->transform($this); |
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74 | 16 | } |
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75 | 16 | return $this; |
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76 | } |
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77 | |||
78 | 28 | public function set($class, $name, $data, $metadata = []) |
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79 | { |
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80 | 28 | $this->saveMetadata($class, $metadata); |
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81 | |||
82 | 28 | $classKey = strtolower($class); |
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83 | 28 | if ($name) { |
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84 | 6 | if (!isset($this->config[$classKey])) { |
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85 | 6 | $this->config[$classKey] = []; |
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86 | 6 | } |
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87 | 6 | $this->config[$classKey][$name] = $data; |
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88 | 6 | } else { |
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89 | 28 | $this->config[$classKey] = $data; |
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90 | } |
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91 | |||
92 | // Flush call cache |
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93 | 28 | $this->callCache = []; |
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94 | 28 | return $this; |
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95 | } |
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96 | |||
97 | 28 | public function get($class, $name = null, $excludeMiddleware = 0) |
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98 | { |
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99 | 28 | if (!is_int($excludeMiddleware) && $excludeMiddleware !== true) { |
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100 | throw new \InvalidArgumentException("Invalid middleware flags"); |
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101 | } |
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102 | |||
103 | // Get config for complete class |
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104 | 28 | $config = $this->getClassConfig($class, $excludeMiddleware); |
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105 | |||
106 | // Return either name, or whole-class config |
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107 | 28 | if ($name) { |
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0 ignored issues
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108 | 7 | return isset($config[$name]) ? $config[$name] : null; |
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109 | } |
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110 | 28 | return $config; |
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111 | } |
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112 | |||
113 | /** |
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114 | * Retrieve config for an entire class |
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115 | * |
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116 | * @param string $class Name of class |
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117 | * @param int|true $excludeMiddleware Optional flag of middleware to disable. |
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118 | * Passing in `true` disables all middleware. |
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119 | * Can also pass in int flags to specify specific middlewares. |
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120 | * @return array |
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121 | */ |
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122 | 28 | protected function getClassConfig($class, $excludeMiddleware = 0) |
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123 | { |
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124 | // `true` excludes all middleware, so bypass call cache |
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125 | 28 | $classKey = strtolower($class); |
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126 | 28 | if ($excludeMiddleware === true) { |
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127 | 27 | return isset($this->config[$classKey]) ? $this->config[$classKey] : []; |
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128 | } |
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129 | |||
130 | // Check cache |
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131 | 28 | if (isset($this->callCache[$classKey][$excludeMiddleware])) { |
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132 | 3 | return $this->callCache[$classKey][$excludeMiddleware]; |
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133 | } |
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134 | |||
135 | // Build middleware |
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136 | 28 | $result = $this->callMiddleware( |
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137 | 28 | $class, |
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138 | 28 | $excludeMiddleware, |
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139 | function ($class, $excludeMiddleware) { |
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0 ignored issues
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140 | 27 | return $this->getClassConfig($class, true); |
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0 ignored issues
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true is of type boolean , but the function expects a integer .
It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { }
$x = '123'; // string "123"
// Instead of
acceptsInteger($x);
// we recommend to use
acceptsInteger((integer) $x);
![]() |
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141 | } |
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142 | 28 | ); |
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143 | |||
144 | // Save cache |
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145 | 28 | if (!isset($this->callCache[$classKey])) { |
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146 | 28 | $this->callCache[$classKey] = []; |
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147 | 28 | } |
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148 | 28 | $this->callCache[$classKey][$excludeMiddleware] = $result; |
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149 | 28 | return $result; |
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150 | } |
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151 | |||
152 | 2 | public function exists($class, $name = null, $excludeMiddleware = 0) |
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153 | { |
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154 | 2 | $config = $this->get($class, null, $excludeMiddleware); |
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155 | 2 | if (empty($config)) { |
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156 | 2 | return false; |
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157 | } |
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158 | 1 | if ($name) { |
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0 ignored issues
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show
The expression
$name of type string|null is loosely compared to true ; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like For '' == false // true
'' == null // true
'ab' == false // false
'ab' == null // false
// It is often better to use strict comparison
'' === false // false
'' === null // false
![]() |
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159 | return array_key_exists($name, $config); |
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160 | } |
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161 | 1 | return true; |
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162 | } |
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163 | |||
164 | 1 | public function remove($class, $name = null) |
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165 | { |
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166 | 1 | $classKey = strtolower($class); |
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167 | 1 | if ($name) { |
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0 ignored issues
–
show
The expression
$name of type string|null is loosely compared to true ; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like For '' == false // true
'' == null // true
'ab' == false // false
'ab' == null // false
// It is often better to use strict comparison
'' === false // false
'' === null // false
![]() |
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168 | unset($this->config[$classKey][$name]); |
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169 | } else { |
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170 | 1 | unset($this->config[$classKey]); |
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171 | } |
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172 | // Discard call cache |
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173 | 1 | unset($this->callCache[$classKey]); |
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174 | 1 | return $this; |
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175 | } |
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176 | |||
177 | 1 | public function removeAll() |
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178 | { |
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179 | 1 | $this->config = []; |
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180 | 1 | $this->metadata = []; |
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181 | 1 | $this->history = []; |
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182 | 1 | $this->callCache = []; |
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183 | 1 | } |
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184 | |||
185 | /** |
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186 | * Get complete config (excludes middleware-applied config) |
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187 | * |
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188 | * @return array |
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189 | */ |
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190 | public function getAll() |
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191 | { |
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192 | return $this->config; |
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193 | } |
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194 | |||
195 | /** |
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196 | * @deprecated 4.0...5.0 |
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197 | * |
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198 | * Synonym for merge() |
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199 | * |
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200 | * @param string $class |
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201 | * @param string $name |
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202 | * @param mixed $value |
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203 | * @return $this |
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204 | */ |
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205 | public function update($class, $name, $value) |
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206 | { |
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207 | $this->merge($class, $name, $value); |
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208 | return $this; |
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209 | } |
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210 | |||
211 | public function merge($class, $name, $value) |
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212 | { |
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213 | // Detect mergeable config |
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214 | $existing = $this->get($class, $name, true); |
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0 ignored issues
–
show
true is of type boolean , but the function expects a integer .
It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { }
$x = '123'; // string "123"
// Instead of
acceptsInteger($x);
// we recommend to use
acceptsInteger((integer) $x);
![]() |
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215 | if (is_array($value) && is_array($existing)) { |
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216 | $value = Priority::mergeArray($value, $existing); |
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217 | } |
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218 | |||
219 | // Apply |
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220 | $this->set($class, $name, $value); |
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221 | return $this; |
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222 | } |
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223 | |||
224 | 8 | public function getMetadata() |
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225 | { |
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226 | 8 | if (!$this->trackMetadata || !is_array($this->metadata)) { |
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227 | 7 | return []; |
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228 | } |
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229 | |||
230 | 1 | return $this->metadata; |
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231 | } |
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232 | |||
233 | 2 | public function getHistory() |
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234 | { |
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235 | 2 | if (!$this->trackMetadata || !is_array($this->history)) { |
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236 | 1 | return []; |
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237 | } |
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238 | |||
239 | 1 | return $this->history; |
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240 | } |
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241 | |||
242 | /** |
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243 | * Get list of serialized properties |
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244 | * |
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245 | * @return array |
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246 | */ |
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247 | protected function getSerializedMembers() |
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248 | { |
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249 | return array_filter(array_keys(get_object_vars($this)), function ($key) { |
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250 | // Skip $_underscoreProp |
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251 | return strpos($key, '_') !== 0; |
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252 | }); |
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253 | } |
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254 | |||
255 | public function serialize() |
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256 | { |
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257 | // Auto-serialize |
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258 | $data = []; |
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259 | foreach ($this->getSerializedMembers() as $key) { |
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260 | $data[$key] = $this->$key; |
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261 | } |
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262 | return serialize($data); |
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263 | } |
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264 | |||
265 | public function unserialize($serialized) |
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266 | { |
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267 | $data = unserialize($serialized); |
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268 | foreach ($this->getSerializedMembers() as $key) { |
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269 | $this->$key = isset($data[$key]) ? $data[$key] : null; |
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270 | } |
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271 | } |
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272 | |||
273 | public function nest() |
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274 | { |
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275 | return clone $this; |
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276 | } |
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277 | |||
278 | /** |
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279 | * Save metadata for the given class |
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280 | * |
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281 | * @param string $class |
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282 | * @param array $metadata |
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283 | */ |
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284 | 28 | protected function saveMetadata($class, $metadata) |
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285 | { |
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286 | 28 | if (!$this->trackMetadata) { |
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287 | 27 | return; |
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288 | } |
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289 | |||
290 | 1 | $classKey = strtolower($class); |
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291 | 1 | if (isset($this->metadata[$classKey]) && isset($this->config[$classKey])) { |
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292 | 1 | if (!isset($this->history[$classKey])) { |
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293 | 1 | $this->history[$classKey] = []; |
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294 | 1 | } |
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295 | |||
296 | 1 | array_unshift( |
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297 | 1 | $this->history[$classKey], |
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298 | [ |
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299 | 1 | 'value' => $this->config[$classKey], |
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300 | 1 | 'metadata' => $this->metadata[$classKey] |
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301 | 1 | ] |
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302 | 1 | ); |
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303 | 1 | } |
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304 | |||
305 | 1 | $this->metadata[$classKey] = $metadata; |
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306 | 1 | } |
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307 | } |
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308 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: