php中cookie和session使用范例

<code><span><span><?php </span><span>//新增cookie</span>
setcookie(<span>'system'</span>,<span>'linux'</span>);
<span>//使用cookie</span><span>echo</span><span>$_COOKIE</span>[<span>'system'</span>];
<span>//销毁cookie</span>
setcookie(<span>'test'</span>, <span>''</span>, time()-<span>1</span>);
<span>//开启session</span>
session_start();
<span>//新增session</span><span>$_SESSION</span>[<span>'uname'</span>]=<span>'madao232324'</span>;
<span>//使用session</span><span>echo</span><span>'<br>'</span>.<span>$_SESSION</span>[<span>'uname'</span>];
<span>//销毁session</span><span>unset</span>(<span>$_SESSION</span>[<span>'uname'</span>]);
<span>//关闭session</span>
session_destroy();
</span></span></code>

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以上就介绍了php中cookie和session使用范例，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。