PHP ʖ²ἯTH
º/A
Ղ 15. ҽӃµĽ⊍
ҽӃ´«µݼ/H1
function foo ($var) {$var++;} $a=5; foo ($a); // $a is 6 here
±䁿£¬=ȧ foo($a)
New ӯ¾䣬=ȧ foo(new foobar())
function bar() {$a = 5; return $a;} foo(bar());
function bar() // Note the missing {$a = 5; return $a;} foo(bar()); foo($a = 5) // Expression, not variable foo(5) // Constant, not variable
º/A
ưµ㼯A
ҽӃ²»ʇʲô
ɏһ¼¶
ҽӃ·µ»ؼ/TD