03. Null coalescing assignment operator
5m 24s
06. New mb_str_split function
3m
07. array_merge function changes
3m 52s
08. Concatenation precedence warning
2m 1s
09. strip_tags function improvement
3m 2s
10. Throwing exceptions in __toString
2m 43s
11. Notice for invalid array access
1m 34s
12. Ternary deprecation warning
2m 58s