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<?php |
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/* |
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* This file is part of the `liip/LiipImagineBundle` project. |
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* |
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* (c) https://github.com/liip/LiipImagineBundle/graphs/contributors |
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* |
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* For the full copyright and license information, please view the LICENSE.md |
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* file that was distributed with this source code. |
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*/ |
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namespace Liip\ImagineBundle\Utility\Framework; |
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use Symfony\Component\HttpKernel\Kernel; |
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class SymfonyFramework |
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{ |
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/** |
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* @return bool |
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*/ |
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public static function hasDefinitionSharing() |
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{ |
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return method_exists('\Symfony\Component\DependencyInjection\Definition', 'setShared') |
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&& method_exists('\Symfony\Component\DependencyInjection\Definition', 'isShared'); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function hasDefinitionScoping() |
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{ |
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return method_exists('\Symfony\Component\DependencyInjection\Definition', 'setScope') |
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&& method_exists('\Symfony\Component\DependencyInjection\Definition', 'getScope'); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function hasDirectContainerBuilderLogging() |
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{ |
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return method_exists('\Symfony\Component\DependencyInjection\ContainerBuilder', 'log'); |
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} |
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/** |
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* @param int $major |
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* @param int|null $minor |
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* @param int|null $patch |
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* |
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* @return bool |
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*/ |
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public static function isKernelGreaterThanOrEqualTo($major, $minor = null, $patch = null) |
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{ |
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return static::kernelVersionCompare('>=', $major, $minor, $patch); |
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} |
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/** |
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* @param int $major |
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* @param int|null $minor |
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* @param int|null $patch |
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* |
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* @return bool |
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*/ |
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public static function isKernelLessThan($major, $minor = null, $patch = null) |
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{ |
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return static::kernelVersionCompare('<', $major, $minor, $patch); |
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} |
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/** |
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* @param string $operator |
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* @param int $major |
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* @param int|null $minor |
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* @param int|null $patch |
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* |
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* @return bool |
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*/ |
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private static function kernelVersionCompare($operator, $major, $minor = null, $patch = null) |
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{ |
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$vernum = $major; |
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$kernel = Kernel::MAJOR_VERSION; |
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if ($minor) { |
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$vernum .= '.'.$minor; |
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$kernel .= '.'.Kernel::MINOR_VERSION; |
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if ($patch) { |
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$vernum .= '.'.$patch; |
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$kernel .= '.'.Kernel::RELEASE_VERSION; |
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} |
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} |
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return version_compare($kernel, $vernum, $operator); |
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} |
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} |
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Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClassto useselfinstead: