| $data = array(’a’ => ’data1’, ’b’ => ’data2’, ’c’ => ’data3’); while(list($subscript, $value) = each($data)) { echo "$subscript => $value :: "; echo "$subscript => $valuen "; } reset($data); foreach($data as $subscript => $value) { echo "$subscript => $value :: "; echo "$subscript => $valuen "; } |
| //變量的變量 $var = "this is a var"; $varname = "var"; echo $$varname; //函數的變量 function fun1($str) { echo $str; } $funname = "fun1"; $funname("This is a function !"); ?> |
| function($a) { $a ++; } $c = 0; function($c); echo $c; //$c仍為0 function(&$a) { $a ++; } $c = 0; echo $c; //$c為1 ?> |
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