checkinput方法通常是在 PHP 中用于验证和清理用户输入数据的一种自定义函数。这个方法的目的是确保用户提交的数据是安全的,防止 SQL 注入、跨站脚本攻击(XSS)等安全问题。 基础概念 输入验证:检查用户输入是否符合预期的格式和类型。 输入清理:去除或替换掉潜在的危险字符或代码。
<?php function check_input($value) { // 去除斜杠 if (get_magic_quotes_gpc()) { $value = stripslashes($value); } // 如果不是数字则加引号 if (!is_numeric($value)) { $value = “‘” . mysql_real_escape_string($value) . “‘”; } return $value; } $con = mysql_connect(“...
<td align="left"><input type="checkbox" value="c9" name="chk" /></td> <td align="left">DVD</td> <td align="left"><input type="checkbox" value="c10" name="chk" /></td> <td align="left">车载电话</td> <td align="left"><input type="checkbox" value="c11" name="chk" ...
If your HTML page looks like this: <inputtype="checkbox"name="test"value="value1"> After submitting the form you can check it with: isset($_POST['test']) or if($_POST['test'] == 'value1') ...
$user = input('post.username'); $pwd = input('post.password'); $vcode = input('post.vcode'); if (!captcha_check($vcode)) { //$this->error('验证码输入错误'); return ['error'=>false,'msg'=>'验证码输入错误']; } $data = Db::name('users')->where('user', $user)->where...
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filter_input(type, variable, filter, options) Parameter Values ParameterDescription typeRequired. The input type to check for. Can be one of the following: INPUT_GET INPUT_POST INPUT_COOKIE INPUT_SERVER INPUT_ENV variableRequired. The variable name to check ...
public function clientValidateAttribute($model, $attribute, $view) { return <<<JS deferred.push($.get("/check", {value: value}).done(function(data) { if ('' !== data) { messages.push(data); } })); JS; } 上面这个 deferred 变量是由 Yii 提供的,它是一个 Deferred 对象的数组。这个...
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Symfony is a set of reusable PHP packages and a PHP framework to build web applications, APIs, microservices and web services.