Migrating from PHP 5.6.x to PHP 7.0.x Table of ContentsBackward incompatible changesNew featuresDeprecated features in PHP 7.0.xChanged functionsNew functionsNew Classes and InterfacesNew Global ConstantsChanges in SAPI ModulesRemoved Extensions and SAPIsOther Changes Despite the fact that PHP 7.0 is a new major version, efforts have been made to make migration as painless as possible. This releas