Created
March 10, 2014 17:01
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php中的雙驚嘆號測試
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| <?php | |
| /* | |
| 結果﹔ | |
| 是否是 | |
| */ | |
| $a=10; | |
| if($a){ | |
| echo "是"; | |
| }else{ | |
| echo "否"; | |
| } | |
| if(!$a){ | |
| echo "是"; | |
| }else{ | |
| echo "否"; | |
| } | |
| if(!!$a){ | |
| echo "是"; | |
| }else{ | |
| echo "否"; | |
| } | |
| ?> |
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