PHP

История

5.3

• namespaces
• closures

5.4

• traits
• short array syntax

5.5

• finally
• generators

5.6

• variadic functions
• argument unpacking

7.0

• return types
• scalar typehints

7.1

• const visibility
• nullables
• multiple exceptions

7.2

• objects type hint
• abstract function override

7.3

• references in list assignments