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<?php |
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namespace Facade\Ignition\SolutionProviders; |
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use Throwable; |
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use Facade\IgnitionContracts\BaseSolution; |
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use Facade\Ignition\Exceptions\ViewException; |
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use Facade\IgnitionContracts\HasSolutionsForThrowable; |
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use Facade\Ignition\Solutions\MakeViewVariableOptionalSolution; |
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use Facade\Ignition\Solutions\SuggestCorrectVariableNameSolution; |
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class UndefinedVariableSolutionProvider implements HasSolutionsForThrowable |
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{ |
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private $variableName; |
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private $viewFile; |
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public function canSolve(Throwable $throwable): bool |
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{ |
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if (! $throwable instanceof ViewException) { |
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return false; |
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} |
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return $this->getNameAndView($throwable) !== null; |
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} |
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public function getSolutions(Throwable $throwable): array |
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{ |
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$solutions = []; |
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extract($this->getNameAndView($throwable)); |
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if (! isset($variableName)) { |
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return []; |
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} |
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$solutions = $this->findCorrectVariableSolutions($throwable, $variableName, $viewFile); |
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$solutions[] = $this->findOptionalVariableSolution($variableName, $viewFile); |
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return $solutions; |
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} |
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protected function findCorrectVariableSolutions(Throwable $throwable, string $variableName, string $viewFile): array |
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{ |
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return collect($throwable->getViewData())->map(function ($value, $key) use ($variableName) { |
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similar_text($variableName, $key, $percentage); |
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return ['match' => $percentage, 'value' => $value]; |
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})->sortByDesc('match')->filter(function ($var, $key) { |
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return $var['match'] > 40; |
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})->keys()->map(function ($suggestion) use ($variableName, $viewFile) { |
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return new SuggestCorrectVariableNameSolution($variableName, $viewFile, $suggestion); |
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})->map(function ($solution) { |
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return $solution->isRunnable() |
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? $solution |
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: BaseSolution::create($solution->getSolutionTitle()) |
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->setSolutionDescription($solution->getSolutionActionDescription()); |
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})->toArray(); |
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} |
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protected function findOptionalVariableSolution(string $variableName, string $viewFile) |
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{ |
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$optionalSolution = new MakeViewVariableOptionalSolution($variableName, $viewFile); |
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return $optionalSolution->isRunnable() |
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? $optionalSolution |
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: BaseSolution::create($optionalSolution->getSolutionTitle()) |
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->setSolutionDescription($optionalSolution->getSolutionActionDescription()); |
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} |
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protected function getNameAndView(Throwable $throwable): ?array |
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{ |
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$pattern = '/Undefined variable: (.*?) \(View: (.*?)\)/'; |
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preg_match($pattern, $throwable->getMessage(), $matches); |
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if (count($matches) === 3) { |
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[$string, $variableName, $viewFile] = $matches; |
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return compact('variableName', 'viewFile'); |
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} |
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} |
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} |
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facade /
ignition
Loading history...
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.