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<?php |
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/* |
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* This file is part of the humbug/php-scoper package. |
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* |
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* Copyright (c) 2017 Théo FIDRY <[email protected]>, |
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* Pádraic Brady <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Humbug\PhpScoper\Autoload; |
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use Composer\Semver\Semver; |
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use Symfony\Requirements\RequirementCollection; |
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/** |
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* Collect the list of requirements for running the project. Code in this file must be PHP 5.3+ compatible as is used |
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* to know if PHP-Scoper can be run or not. |
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*/ |
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final class Requirements extends RequirementCollection |
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{ |
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public function __construct($composerJson) |
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{ |
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$composerConfig = $this->readComposer($composerJson); |
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$this->addPhpVersionRequirement($composerConfig); |
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$this->addExtensionRequirements($composerConfig); |
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} |
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private function readComposer($composerJson) |
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{ |
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$composer = json_decode(file_get_contents($composerJson), true); |
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return $composer['require']; |
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} |
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private function addPhpVersionRequirement(array $composerConfig) |
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{ |
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$installedPhpVersion = phpversion(); |
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$requiredPhpVersion = $composerConfig['php']; |
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$this->addRequirement( |
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Semver::satisfies(phpversion(), $requiredPhpVersion), |
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sprintf( |
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'PHP version must satisfies "%s" ("%s" installed)', |
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$requiredPhpVersion, |
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$installedPhpVersion |
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), |
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'' |
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); |
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} |
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private function addExtensionRequirements(array $composerConfig) |
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{ |
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foreach ($composerConfig as $package => $constraint) { |
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if (preg_match('/^ext-(?<extension>.+)$/', $package, $matches)) { |
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$this->addExtensionRequirement($matches['extension']); |
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} |
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} |
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} |
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/** |
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* @param string $extension Extension name, e.g. `iconv`. |
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*/ |
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private function addExtensionRequirement($extension) |
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{ |
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$this->addRequirement( |
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extension_loaded($extension), |
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sprintf( |
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'The extension "%s" must be enabled.', |
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$extension |
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), |
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'' |
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); |
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} |
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} |
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humbug /
php-scoper
