$string='fdjborsnabcdtghrjosthabcrgrjtabc';$string= preg_replace('/[abc]+/i','',$string); 方法二 把字符串转化成数组 $arr=str_split($string);foreach($arras$key=>$value){if(in_array($value,array('a','b','c')) ){unset($arr[$key]); } }$string=implode('',$arr); 三、...
function safe_replace($string) { $string = str_replace('%20','',$string); $string = str_replace('%27','',$string); $string = str_replace('%2527','',$string); $string = str_replace('*','',$string); $string = str_replace('"','"',$string); $string = str_replace(...
voidparse_str(string $str[,array&$arr]) 当parse_str()函数的参数值可以被用户控制时,则存在变量覆盖漏洞 例子 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <?phperror_reporting(0);if(empty($_GET['id'])){show_source(__FILE__);die();}else{include('flag.php');$a="www.xxx.com"...
Instead of passing a single value, pass an array as the first argument of the str_replace() function. The function will then work to replace all occurrences of the values in the array with the second argument. Finally, you can also pass an array as the second argument: ...
Notice: Array to string conversion in ..\..\Test.php on line 19 'HArrayw are yArrayu?' 2 说明:在$subject中将$search字符串替换为Array 4)、$subject为数组 代码: $str = str_replace( "o", 'i', [ 'H', 'o', 'w', 'a', 'r', 'e', 'y', 'o', 'u' ], $cnt ); ...
调用: string substr ( string $string , int $start [, int $length ] ) 字符串查找替换: 52.str_replace(): 字符串替换操作,区分大小写 调用mix str_replace(mix $search,mix $replace, mix $subject[,int &$num]) 输入: $search查找的字符串,$replace替换的字符串,$subject被查找字串, &$...
php手册String函数(解析) $str=addcslashes("A001 A002 A003","A"); echo($str);//在大写A的前面加上反斜杠\,大小写是区分的哦 1. 2. 3. $str="Welcome to Shanghai!"; echo$str." "; echoaddcslashes($str,'A..Z')." ";//有大写的A到Z之间的英文全部前面加上反斜杠\...
string(4) "eval" string(12) "gzuncompress" string(13) "base64_decode" string(12) "preg_replace" string(35) "/7e5c9b7b04a66e52a084ded39a239b63/e" */ 以此类推,将所有不可见字符全都给替换回来之后,整个文件的代码就会变成如下所示,阅读起来非常简单。
Replace multiple strings at once. Replace "AAA" in each string with "BBB": <?php $replace =array("1: AAA","2: AAA","3: AAA"); echoimplode("",substr_replace($replace,'BBB',3,3)); ?> Try it Yourself » ❮ PHP String Reference Track ...
echo preg_replace("/[0-9]|[a-z]/i","?",$s); }else{ highlight_file(__FILE__); } ?> 传入payload c=$a = new DirectoryIterator("glob:///*");foreach($a as $f){echo($f->__toString().'');}exit(); 得到 包含一