IntroductionGetting startedEcho and printVariables and data typesString and useful string functionsIntroduction to operatorsLoops
Conditional statementsFunctionsArraysIterablesDate and timeNumbers and mathFile handling
Sessions and cookiesArray sorting and useful functionsCreate MySQL Database
File handling (advanced)Introduction to MySQLConnect to a MySQL Database
NamespacesStatic propertiesStatic methodsTraitsInterfacesAbstract classesInheritance
Access modifiersConstructor and destructorIntroduction to classes and objectsRegular expressionsJSON and callback functionsValidation and sanitizationConstants