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1 | <?php |
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2 | |||
3 | namespace Robo; |
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4 | |||
5 | use Robo\Contract\TaskInterface; |
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6 | use Robo\Exception\TaskExitException; |
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7 | use Robo\State\Data; |
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8 | |||
9 | class Result extends ResultData |
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10 | { |
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11 | /** |
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12 | * @var bool |
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13 | */ |
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14 | public static $stopOnFail = false; |
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15 | |||
16 | /** |
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17 | * @var \Robo\Contract\TaskInterface |
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18 | */ |
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19 | protected $task; |
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20 | |||
21 | /** |
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22 | * @param \Robo\Contract\TaskInterface $task |
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23 | * @param int $exitCode |
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24 | * @param string $message |
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25 | * @param array $data |
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26 | */ |
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27 | public function __construct(TaskInterface $task, $exitCode, $message = '', $data = []) |
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28 | { |
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29 | parent::__construct($exitCode, $message, $data); |
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30 | $this->task = $task; |
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31 | $this->printResult(); |
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32 | |||
33 | if (self::$stopOnFail) { |
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34 | $this->stopOnFail(); |
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35 | } |
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36 | } |
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37 | |||
38 | /** |
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39 | * Tasks should always return a Result. However, they are also |
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40 | * allowed to return NULL or an array to indicate success. |
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41 | * |
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42 | * @param \Robo\Contract\TaskInterface $task |
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43 | * @param \Robo\Result|\Robo\State\Data|\Robo\ResultData|array|null |
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44 | * |
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45 | * @return static |
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46 | */ |
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47 | public static function ensureResult($task, $result) |
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48 | { |
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49 | if ($result instanceof Result) { |
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50 | return $result; |
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51 | } |
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52 | if (!isset($result)) { |
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53 | return static::success($task); |
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54 | } |
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55 | if ($result instanceof Data) { |
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56 | return static::success($task, $result->getMessage(), $result->getData()); |
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57 | } |
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58 | if ($result instanceof ResultData) { |
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59 | return new Result($task, $result->getExitCode(), $result->getMessage(), $result->getData()); |
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60 | } |
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61 | if (is_array($result)) { |
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62 | return static::success($task, '', $result); |
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63 | } |
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64 | throw new \Exception(sprintf('Task %s returned a %s instead of a \Robo\Result.', get_class($task), get_class($result))); |
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65 | } |
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66 | |||
67 | protected function printResult() |
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68 | { |
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69 | // For historic reasons, the Result constructor is responsible |
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70 | // for printing task results. |
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71 | // TODO: Make IO the responsibility of some other class. Maintaining |
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72 | // existing behavior for backwards compatibility. This is undesirable |
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73 | // in the long run, though, as it can result in unwanted repeated input |
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74 | // in task collections et. al. |
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75 | $resultPrinter = Robo::resultPrinter(); |
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76 | if ($resultPrinter) { |
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77 | if ($resultPrinter->printResult($this)) { |
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78 | $this->alreadyPrinted(); |
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0 ignored issues
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79 | } |
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80 | } |
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81 | } |
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82 | |||
83 | /** |
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84 | * @param \Robo\Contract\TaskInterface $task |
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85 | * @param string $extension |
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86 | * @param string $service |
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87 | * |
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88 | * @return static |
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89 | */ |
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90 | public static function errorMissingExtension(TaskInterface $task, $extension, $service) |
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91 | { |
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92 | $messageTpl = 'PHP extension required for %s. Please enable %s'; |
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93 | $message = sprintf($messageTpl, $service, $extension); |
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94 | |||
95 | return self::error($task, $message); |
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96 | } |
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97 | |||
98 | /** |
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99 | * @param \Robo\Contract\TaskInterface $task |
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100 | * @param string $class |
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101 | * @param string $package |
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102 | * |
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103 | * @return static |
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104 | */ |
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105 | public static function errorMissingPackage(TaskInterface $task, $class, $package) |
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106 | { |
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107 | $messageTpl = 'Class %s not found. Please install %s Composer package'; |
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108 | $message = sprintf($messageTpl, $class, $package); |
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109 | |||
110 | return self::error($task, $message); |
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111 | } |
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112 | |||
113 | /** |
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114 | * @param \Robo\Contract\TaskInterface $task |
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115 | * @param string $message |
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116 | * @param array $data |
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117 | * |
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118 | * @return static |
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119 | */ |
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120 | public static function error(TaskInterface $task, $message, $data = []) |
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121 | { |
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122 | return new self($task, self::EXITCODE_ERROR, $message, $data); |
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123 | } |
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124 | |||
125 | /** |
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126 | * @param \Robo\Contract\TaskInterface $task |
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127 | * @param \Exception $e |
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128 | * @param array $data |
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129 | * |
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130 | * @return static |
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131 | */ |
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132 | public static function fromException(TaskInterface $task, \Exception $e, $data = []) |
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133 | { |
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134 | $exitCode = $e->getCode(); |
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135 | if (!$exitCode) { |
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136 | $exitCode = self::EXITCODE_ERROR; |
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137 | } |
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138 | return new self($task, $exitCode, $e->getMessage(), $data); |
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139 | } |
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140 | |||
141 | /** |
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142 | * @param \Robo\Contract\TaskInterface $task |
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143 | * @param string $message |
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144 | * @param array $data |
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145 | * |
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146 | * @return static |
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147 | */ |
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148 | public static function success(TaskInterface $task, $message = '', $data = []) |
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149 | { |
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150 | return new self($task, self::EXITCODE_OK, $message, $data); |
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151 | } |
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152 | |||
153 | /** |
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154 | * Return a context useful for logging messages. |
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155 | * |
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156 | * @return array |
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157 | */ |
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158 | public function getContext() |
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159 | { |
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160 | $task = $this->getTask(); |
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161 | |||
162 | return TaskInfo::getTaskContext($task) + [ |
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163 | 'code' => $this->getExitCode(), |
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164 | 'data' => $this->getArrayCopy(), |
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165 | 'time' => $this->getExecutionTime(), |
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166 | 'message' => $this->getMessage(), |
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167 | ]; |
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168 | } |
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169 | |||
170 | /** |
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171 | * Add the results from the most recent task to the accumulated |
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172 | * results from all tasks that have run so far, merging data |
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173 | * as necessary. |
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174 | * |
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175 | * @param int|string $key |
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176 | * @param \Robo\Result $taskResult |
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177 | */ |
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178 | public function accumulate($key, Result $taskResult) |
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179 | { |
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180 | // If the task is unnamed, then all of its data elements |
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181 | // just get merged in at the top-level of the final Result object. |
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182 | if (static::isUnnamed($key)) { |
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183 | $this->merge($taskResult); |
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184 | } elseif (isset($this[$key])) { |
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185 | // There can only be one task with a given name; however, if |
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186 | // there are tasks added 'before' or 'after' the named task, |
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187 | // then the results from these will be stored under the same |
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188 | // name unless they are given a name of their own when added. |
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189 | $current = $this[$key]; |
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190 | $this[$key] = $taskResult->merge($current); |
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191 | } else { |
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192 | $this[$key] = $taskResult; |
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193 | } |
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194 | } |
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195 | |||
196 | /** |
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197 | * We assume that named values (e.g. for associative array keys) |
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198 | * are non-numeric; numeric keys are presumed to simply be the |
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199 | * index of an array, and therefore insignificant. |
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200 | * |
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201 | * @param int|string $key |
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202 | * |
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203 | * @return bool |
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204 | */ |
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205 | public static function isUnnamed($key) |
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206 | { |
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207 | return is_numeric($key); |
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208 | } |
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209 | |||
210 | /** |
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211 | * @return \Robo\Contract\TaskInterface |
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212 | */ |
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213 | public function getTask() |
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214 | { |
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215 | return $this->task; |
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216 | } |
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217 | |||
218 | /** |
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219 | * @return \Robo\Contract\TaskInterface |
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220 | */ |
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221 | public function cloneTask() |
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222 | { |
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223 | $reflect = new \ReflectionClass(get_class($this->task)); |
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224 | return $reflect->newInstanceArgs(func_get_args()); |
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225 | } |
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226 | |||
227 | /** |
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228 | * @return bool |
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229 | * |
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230 | * @deprecated since 1.0. |
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231 | * |
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232 | * @see wasSuccessful() |
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233 | */ |
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234 | public function __invoke() |
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235 | { |
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236 | trigger_error(__METHOD__ . ' is deprecated: use wasSuccessful() instead.', E_USER_DEPRECATED); |
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237 | return $this->wasSuccessful(); |
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238 | } |
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239 | |||
240 | /** |
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241 | * @return $this |
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242 | */ |
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243 | public function stopOnFail() |
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244 | { |
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245 | if (!$this->wasSuccessful()) { |
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246 | $resultPrinter = Robo::resultPrinter(); |
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247 | if ($resultPrinter) { |
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248 | $resultPrinter->printStopOnFail($this); |
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249 | } |
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250 | $this->exitEarly($this->getExitCode()); |
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251 | } |
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252 | return $this; |
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253 | } |
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254 | |||
255 | /** |
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256 | * @param int $status |
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257 | * |
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258 | * @throws \Robo\Exception\TaskExitException |
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259 | */ |
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260 | private function exitEarly($status) |
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261 | { |
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262 | throw new TaskExitException($this->getTask(), $this->getMessage(), $status); |
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263 | } |
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264 | } |
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265 |
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()
method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail()
, this method _has_ side-effects. In the following case, we could not remove the method call: