$string='fdjborsnabcdtghrjosthabcrgrjtabc';$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); $string = str_replace(...
echo str_replace(str_split($a),'',$b); Output: testTo remove all characters from string $b that don't exist in string $a:$a="ABC";$b="teAsBtC";echo str_replace(str_split(str_replace(str_split($a),'',$b)),'',$b);Output: ABC...
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"...
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); ...
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\...
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_callback('~-([a-z])~', function ($match) { return strtoupper($match[1]); }, 'hello-world'); // 输出 helloWorld $greet = function($name) { printf("Hello %s\r\n", $name); }; $greet('World'); $greet('PHP'); //...在某个类中 $callback = function (...
echo preg_replace("/[0-9]|[a-z]/i","?",$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
return new Node\Expr\ArrayDimFetch( new Node\Expr\Variable($name), new Node\Scalar\String_($new_key_name) ); }else{ // 未替换该键值的操作 $this->NewName[$name][$key] = $this->Count[$name]++; $new_key_name = str_replace($key, 'arr_' . $this->NewName[$name][$key], $...