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J'utilise symfony 2.8, lorsque je tente d'installer ensemble jms/sérialiseur utilisant compositeur il montre cette erreur,jms/sérialiseur pas installer
composer require jms/serializer-bundle
Problem 1
- jms/serializer-bundle 1.0.0 requires jms/serializer ^1.0.0 -> satisfiable by jms/serializer[1.0.0, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.4.1, 1.4.2, 1.5.0, 1.6.0, 1.6.1, 1.6.2, 1.7.0, 1.7.1, 1.8.0, 1.8.1, 1.9.0].
- jms/serializer-bundle 1.5.0 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.4.0 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.3.1 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.3.0 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.2.1 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.2.0 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer-bundle 1.1.0 requires php >=5.4.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer 1.9.0 requires php >=5.5.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
- jms/serializer 1.8.1 requires php >=5.5.0 -> your PHP version (7.1.1) overridden by "config.platform.php" version (5.3.9) does not satisfy that requirement.
Comment puis-je résoudre?