{"id":363,"title":"php\u4e2dsession_destroy\u4e0esession_unset","good":0,"bad":0,"hit":2041,"created_at":"2018-06-23 14:35:06","content":"

session_unset()\u91ca\u653e\u5f53\u524d\u5728\u5185\u5b58\u4e2d\u5df2\u7ecf\u521b\u5efa\u7684<\/span>\u6240\u6709<\/strong><\/span>$_SESSION\u53d8\u91cf\uff0c\u4f46\u4e0d\u5220\u9664session\u6587\u4ef6\u4ee5\u53ca\u4e0d\u91ca\u653e\u5bf9\u5e94\u7684sessionidsession_destroy()\u5220\u9664\u5f53\u524d\u7528\u6237\u5bf9\u5e94\u7684session\u6587\u4ef6\uff08\u5e76\u4e0d\u662f\u9a6c\u4e0a\u5c31\u5220\u9664\uff0cphp\u6709\u81ea\u5df1\u7684session\u56de\u6536\u673a\u5236\uff0c\u5f53\u786e\u53d1\u65f6\u624d\u4f1a\u5220\u9664\uff09\u4ee5\u53ca\u91ca\u653esessionid\uff0c\u5185\u5b58\u4e2d\u7684$_SESSION\u53d8\u91cf\u5185\u5bb9\u4f9d\u7136\u4fdd\u7559<\/span><\/p>

<\/span><\/p>

<?php\nsession_start();\n$_SESSION['user1']='user1';\n$_SESSION['user2']='user2';\nsession_destroy();\nprint_r($_SESSION);\n\n\u7ed3\u679c\uff1a\nArray\n(\n    [user1] => user1\n    [user2] => user2\n)<\/pre>
<\/span><\/p>
\u56e0\u6b64\uff0c\u91ca\u653e\u7528\u6237\u7684session\u6240\u6709\u8d44\u6e90\uff0c\u9700\u8981\u987a\u5e8f\u6267\u884c\u5982\u4e0b\u4ee3\u7801\uff1a<\/span><\/p>
<?php\nsession_start();\n$_SESSION['user1']='user1';\n$_SESSION['user2']='user2';\nsession_unset();\/\/\u6ce8\u610f\u8fd9\u884c\u4e0e\u4e0b\u884c\u4e0d\u80fd\u5199\u53cd\u4e86\uff0c\u5426\u5219\u4e5f\u5220\u9664\u4e0d\u6389\nsession_destroy();\nprint_r($_SESSION);\n\n\u7ed3\u679c\uff1a\nArray\n(\n\n)<\/pre>
<\/span><\/p>"}