Introduction to PHP 8

• Place: Omedia
• Time: 19/11/2020 17:00 (GMT+4)
• Speaker: Temuri Takalandze
• Watch: https://youtu.be/opzZZ4opp4g

Content

• General (slides 4-21)
  • JIT (slides 5-12)
    • How PHP works (slides 6-7)
    • OPcache (slides 8-9)
    • Preloading (slide 10)
    • JIT Compiler (slides 11-12)
  • Attributes (slide 13)
  • Named arguments (slide 14)
  • The nullsafe operator (slide 15)
  • Match expression (slide 16)
  • Throw expression (slide 17)
  • Non-capturing catches (slide 19)
  • Trailing comma in parameter lists (slide 19)
  • Concatenation precedence (slide 20)
  • ext-json always available (slide 21)
• About types (slides 22-26)
  • Union types (slide 23)
  • mixed type (slide 24)
  • static return type (slide 25)
  • New Stringable interface (slide 26)
• What’s new in OOP? (slides 27-33)
  • Constructor property promotion (slide 28)
  • Inheritance with private methods (slide 29)
  • Allowing ::class on objects (slide 30)
  • Abstract trait method validation (slide 31)
  • Weak maps (slide 32)
  • Token as object (slide 33)
• New built-in functions (slides 34-39)
  • str_contains() (slide 35)
  • str_starts_with() & str_ends_with() (slide 36)
  • fdiv() (slide 37)
  • get_debug_type() (slide 38)
  • get_resource_id() (slide 39)
• Breaking changes (slides 40-42)
  • Breaking changes (slide 41)
  • Reclassified engine warnings (slide 42)