英文原版Learning PHP 7 High Performance 1st Edition

ImprovetheperformanceofyourPHPapplicationtoensuretheapplicationusersaren'tleftwaitingPHPisagreatlanguageforbuildingwebapplications.Itisessentiallyaserver-sidescriptinglanguagethatisalsousedforgeneral-purposeprogramming.PHP7isthelatestversion,providingmajorbackward-compatibilitybreak