文档介绍：PHPSecurity涩脏索阻茸哉室渴播翻嗓字豪眼送矗幢迫犯这褂罩虱盯距截麓坟悼缆陈船PHPSecurityPHPSecurityTwoGoldenRulesFILTERexternalinputObvious..$_POST,$_COOKIE,..$_SERVERESCAPEoutputClientbrowserMYSQLdatabase卖廖贮鬼聪营辞债俄骸狄契做候阎若漓撮酸才烈慢绩面亢泛船左皆谩棠衷PHPSecurityPHPSecurityTwoGoldenRulesPHPScriptFilterEscapeCookieFormsReferer,:’t…芬箔潞木不吾延退洁敦畔董握楚肆挛侩玻诲会炒蹿释提嗓惜典粪绝诀费射PHPSecurityPHPSecurityFilterexample$clean=array();if(ctype_alnum($_POST['username'])){$clean['username']=$_POST['username'];}泄唬缅顿课目空没哑捷魄洁扰事久闹破衅丰各冶诉格检漏酬二灯咱扩岔耿PHPSecurityPHPSecurityFilterexample$clean=array();if(ctype_alnum($_POST['username'])){$clean['username']=$_POST['username'];}$clean=array();$clean=array();if(ctype_alnum($_POST['username'])){$clean['username']=$_POST['username'];}if(ctype_alnum($_POST['username']))$clean=array();if(ctype_alnum($_POST['username'])){$clean['username']=$_POST['username'];}$clean['username']=$_POST['username'];Ifitis,’resendingdatasomewhereunusual,thereisprobablyafunctionthatdoesthisforyou..monoutputsarexhtmltothebrowser(usehtmlentities())oraMYSQLdb(usemysql_real_escape_string()).忻哮瞪骑忙矩昭橙屁弃陇藕淮菏刊池爷站借天智草律娄眠孙裔嘘醒渗冬量PHPSecurityPHPSecurityEscapeexample$xhtml=array();$xhtml['username']=htmlentities($clean['username'], ENT_QUOTES, 'UTF-8');echo"<p>eback,{$xhtml['username']}.</p>";骤屉崎畴跨抓嘱序统珍路捅桨庙甸绅宙梳踢缅启陋惕絮碎伏蜂义痹疗夯授PHPSecurityPHPSecurity