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Answers for "php form validation"

PHP
7

form validation in php

<?php
// define variables and set to empty values
$name = $email = $gender = $comment = $website = "";

if ($_SERVER["REQUEST_METHOD"] == "POST") {
  $name = test_input($_POST["name"]);
  $email = test_input($_POST["email"]);

  
 $website = test_input($_POST["website"]);
  $comment = test_input($_POST["comment"]);
  $gender = test_input($_POST["gender"]);
}

 //php form data validation function 
function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;

 }
?>
Posted by: Guest on May-29-2021
0

data validation of $_POST in php

<?php

class  Input {
	static $errors = true;

	static function check($arr, $on = false) {
		if ($on === false) {
			$on = $_REQUEST;
		}
		foreach ($arr as $value) {	
			if (empty($on[$value])) {
				self::throwError('Data is missing', 900);
			}
		}
	}

	static function int($val) {
		$val = filter_var($val, FILTER_VALIDATE_INT);
		if ($val === false) {
			self::throwError('Invalid Integer', 901);
		}
		return $val;
	}

	static function str($val) {
		if (!is_string($val)) {
			self::throwError('Invalid String', 902);
		}
		$val = trim(htmlspecialchars($val));
		return $val;
	}

	static function bool($val) {
		$val = filter_var($val, FILTER_VALIDATE_BOOLEAN);
		return $val;
	}

	static function email($val) {
		$val = filter_var($val, FILTER_VALIDATE_EMAIL);
		if ($val === false) {
			self::throwError('Invalid Email', 903);
		}
		return $val;
	}

	static function url($val) {
		$val = filter_var($val, FILTER_VALIDATE_URL);
		if ($val === false) {
			self::throwError('Invalid URL', 904);
		}
		return $val;
	}

	static function throwError($error = 'Error In Processing', $errorCode = 0) {
		if (self::$errors === true) {
			throw new Exception($error, $errorCode);
		}
	}
}
Posted by: Guest on February-01-2021
0

php form validation

<label for="name">Name</label>
  <div>
    <input type="text" name="name" id="name" value="">
  </div>

<label for="address">Address</label>
  <div>
    <input type="text" name="address" id="address" value="">
  </div>

<label for="email">Email</label>
  <div>
    <input type="text" name="email" id="email" value="">
  </div>
Posted by: Guest on October-09-2021
0

data validation of $_POST in php

<?php
	
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
	
		// the request method is fine

} else {

	exit('Invalid Request');

}
Posted by: Guest on February-01-2021

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