PHP检测数组中的每个值是否含有特殊字符

Posted 2020-10-06 新太潮流

本文出至：新太潮流网络博客

/**
 * [TestArray 检测数组是一维还是二维]
 * @E-mial [email protected]
 * @TIME   2017-04-07
 * @WEB    http://blog.iinu.com.cn
 * @param [type] $array [数组]
 */
function TestArray($array){
    if(is_array($array)){
        foreach($array as $v){
            if(is_array($v)){
                $Int_Array = array(‘Int‘=>2,‘Test‘=>‘检测为二维数组‘);
            }else{
                $Int_Array = array(‘Int‘=>1,‘Test‘=>‘检测为一维数组‘);
            }
        }
    }else{
        $Int_Array = array(‘Int‘=>3,‘Test‘=>‘检测为不是数组‘);
    }
    
    return $Int_Array;
}
/**
 * [剔除掉危险字符]
 * @E-mial [email protected]
 * @TIME   2017-04-07
 * @WEB    http://blog.iinu.com.cn
 * @param  [数据] $val [要处理的数据]
 * @return [type]      [description]
 */
function remove_xss($val) {

    $val = preg_replace(‘/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/‘, ‘‘, $val);


    $search = ‘abcdefghijklmnopqrstuvwxyz‘;
    $search .= ‘ABCDEFGHIJKLMNOPQRSTUVWXYZ‘;
    $search .= ‘[email protected]#$%^&*()‘;
    $search .= ‘~`";:?+/={}[]-_|\‘\\‘;
    for ($i = 0; $i < strlen($search); $i++) {

        $val = preg_replace(‘/(&#[xX]0{0,8}‘ . dechex(ord($search[$i])) . ‘;?)/i‘, $search[$i], $val);

        $val = preg_replace(‘/(?{0,8}‘ . ord($search[$i]) . ‘;?)/‘, $search[$i], $val); 
    }

    // now the only remaining whitespace attacks are \t, \n, and \r
    $ra1 = array(‘javascript‘, ‘vbscript‘, ‘expression‘, ‘applet‘, ‘meta‘, ‘xml‘, ‘blink‘, ‘link‘, ‘style‘, ‘script‘, ‘embed‘, ‘object‘, ‘iframe‘, ‘frame‘, ‘frameset‘, ‘ilayer‘, ‘layer‘, ‘bgsound‘, ‘title‘, ‘base‘);
    $ra2 = array(‘onabort‘, ‘onactivate‘, ‘onafterprint‘, ‘onafterupdate‘, ‘onbeforeactivate‘, ‘onbeforecopy‘, ‘onbeforecut‘, ‘onbeforedeactivate‘, ‘onbeforeeditfocus‘, ‘onbeforepaste‘, ‘onbeforeprint‘, ‘onbeforeunload‘, ‘onbeforeupdate‘, ‘onblur‘, ‘onbounce‘, ‘oncellchange‘, ‘onchange‘, ‘onclick‘, ‘oncontextmenu‘, ‘oncontrolselect‘, ‘oncopy‘, ‘oncut‘, ‘ondataavailable‘, ‘ondatasetchanged‘, ‘ondatasetcomplete‘, ‘ondblclick‘, ‘ondeactivate‘, ‘ondrag‘, ‘ondragend‘, ‘ondragenter‘, ‘ondragleave‘, ‘ondragover‘, ‘ondragstart‘, ‘ondrop‘, ‘onerror‘, ‘onerrorupdate‘, ‘onfilterchange‘, ‘onfinish‘, ‘onfocus‘, ‘onfocusin‘, ‘onfocusout‘, ‘onhelp‘, ‘onkeydown‘, ‘onkeypress‘, ‘onkeyup‘, ‘onlayoutcomplete‘, ‘onload‘, ‘onlosecapture‘, ‘onmousedown‘, ‘onmouseenter‘, ‘onmouseleave‘, ‘onmousemove‘, ‘onmouseout‘, ‘onmouseover‘, ‘onmouseup‘, ‘onmousewheel‘, ‘onmove‘, ‘onmoveend‘, ‘onmovestart‘, ‘onpaste‘, ‘onpropertychange‘, ‘onreadystatechange‘, ‘onreset‘, ‘onresize‘, ‘onresizeend‘, ‘onresizestart‘, ‘onrowenter‘, ‘onrowexit‘, ‘onrowsdelete‘, ‘onrowsinserted‘, ‘onscroll‘, ‘onselect‘, ‘onselectionchange‘, ‘onselectstart‘, ‘onstart‘, ‘onstop‘, ‘onsubmit‘, ‘onunload‘);
    $ra = array_merge($ra1, $ra2);

    $found = true;while($found ==true){
        $val_before = $val;for($i =0; $i <sizeof($ra); $i++){
            $pattern =‘/‘;for($j =0; $j < strlen($ra[$i]); $j++){if($j >0){
                    $pattern .=‘(‘;
                    $pattern .=‘(&#[xX]0{0,8}([9ab]);)‘;
                    $pattern .=‘|‘;
                    $pattern .=‘|(?{0,8}([9|10|13]);)‘;
                    $pattern .=‘)*‘;}
                $pattern .= $ra[$i][$j];}
            $pattern .=‘/i‘;
            $replacement = substr($ra[$i],0,2).‘‘. substr($ra[$i],2); 
            $val = preg_replace($pattern, $replacement, $val);if($val_before == $val){

                $found =false;}}}return $val;}/**
 * [getData 检测数组中的每个值是否含有特殊字符]
 * @E-mial [email protected]
 * @TIME   2017-05-03
 * @WEB    http://blog.iinu.com.cn
 * @param  [array] $data [要检测的数组-一维或者二维]
 * @return [data]  $res     [返回剔除后的数组]
 */function getData($data){
    header(‘Content-type:text/html;charset=utf-8‘);//判断是否为空if(!empty($data)){//检测数组类型 if(TestArray($data)[‘status‘]==1){
            $i =0;foreach($data as $k=>$v){
                $data_mer[$i][$k]= remove_xss($v);
                $i++;}
            $res[‘code‘]= $data_mer;}else{foreach($data as $k=>$v){
                $data_mer[$k]= remove_xss($v);}
            $res[‘code‘]= $data_mer;}}else{
        $res = array(‘status‘=>2,‘str‘=>‘数据不能为空‘);}return $res;}

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