Updated php packages fix security vulnerabilities

Updated php packages fix security vulnerabilities: It was discovered that the PHP opcache component incorrectly handled memory. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2015-1351). It was discovered that the PHP PostgreSQL database extension incorrectly handled certain pointers. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2015-1352). Use after free vulnerability in unserialize() with DateTimeZone in PHP before 5.5.22 (CVE-2015-0273). PHP has been updated to version 5.5.22, which fixes these issues and other bugs.