1, spacecraft operator <=>
2, variable type defined
3、$a = $b??$c
4, the constant array, define ($ arr, [ 'a', 'b'])
5, namespace bulk import
and many more
1, spacecraft operator <=>
2, variable type defined
3、$a = $b??$c
4, the constant array, define ($ arr, [ 'a', 'b'])
5, namespace bulk import
and many more