Online PHP editor | output for 7tGjv

@ 2016-05-25T00:04:45Z

<!DOCTYPE HTML>  
<html>
<head>
<style>
.error {color: #FF0000;}
</style>
</head>
<body>  

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

if ($_SERVER["REQUEST_METHOD"] == "POST") {
  if (empty($_POST["name"])) {
    $nameErr = "Name is required";
  } else {
    $name = test_input($_POST["name"]);
    // check if name only contains letters and whitespace
    if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
      $nameErr = "Only letters and white space allowed"; 
    }
  }
  
  if (empty($_POST["email"])) {
    $emailErr = "Email is required";
  } else {
    $email = test_input($_POST["email"]);
    // check if e-mail address is well-formed
    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
      $emailErr = "Invalid email format"; 
    }
  }
    
  if (empty($_POST["website"])) {
    $website = "";
  } else {
    $website = test_input($_POST["website"]);
    // check if URL address syntax is valid (this regular expression also allows dashes in the URL)
    if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$website)) {
      $websiteErr = "Invalid URL"; 
    }
  }

  if (empty($_POST["comment"])) {
    $comment = "";
  } else {
    $comment = test_input($_POST["comment"]);
  }

  if (empty($_POST["gender"])) {
    $genderErr = "Gender is required";
  } else {
    $gender = test_input($_POST["gender"]);
  }
}

function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
}
?>

<h2>PHP Form Validation Example</h2>
<p><span class="error">* required field.</span></p>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">  
  Name: <input type="text" name="name" value="<?php echo $name;?>">
  <span class="error">* <?php echo $nameErr;?></span>
  <br><br>
  E-mail: <input type="text" name="email" value="<?php echo $email;?>">
  <span class="error">* <?php echo $emailErr;?></span>
  <br><br>
  Website: <input type="text" name="website" value="<?php echo $website;?>">
  <span class="error"><?php echo $websiteErr;?></span>
  <br><br>
  Comment: <textarea name="comment" rows="5" cols="40"><?php echo $comment;?></textarea>
  <br><br>
  Gender:
  <input type="radio" name="gender" <?php if (isset($gender) && $gender=="female") echo "checked";?> value="female">Female
  <input type="radio" name="gender" <?php if (isset($gender) && $gender=="male") echo "checked";?> value="male">Male
  <span class="error">* <?php echo $genderErr;?></span>
  <br><br>
  <input type="submit" name="submit" value="Submit">  
</form>

<?php
echo "<h2>Your Input:</h2>";
echo $name;
echo "<br>";
echo $email;
echo "<br>";
echo $website;
echo "<br>";
echo $comment;
echo "<br>";
echo $gender;
?>

</body>
</html>

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: <!DOCTYPE HTML> <html> <head> <style> .error {color: #FF0000;} </style> </head> <body> Warning: Undefined array key "REQUEST_METHOD" in /in/7tGjv on line 15 <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/7tGjv"> Name: <input type="text" name="name" value=""> <span class="error">* </span> <br><br> E-mail: <input type="text" name="email" value=""> <span class="error">* </span> <br><br> Website: <input type="text" name="website" value=""> <span class="error"></span> <br><br> Comment: <textarea name="comment" rows="5" cols="40"></textarea> <br><br> Gender: <input type="radio" name="gender" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2><br><br><br><br> </body> </html>
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <!DOCTYPE HTML> <html> <head> <style> .error {color: #FF0000;} </style> </head> <body> Warning: Undefined array key "REQUEST_METHOD" in /in/7tGjv on line 15 <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/7tGjv"> Name: <input type="text" name="name" value=""> <span class="error">* </span> <br><br> E-mail: <input type="text" name="email" value=""> <span class="error">* </span> <br><br> Website: <input type="text" name="website" value=""> <span class="error"></span> <br><br> Comment: <textarea name="comment" rows="5" cols="40"></textarea> <br><br> Gender: <input type="radio" name="gender" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2><br><br><br><br> </body> </html>
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.25, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: <!DOCTYPE HTML> <html> <head> <style> .error {color: #FF0000;} </style> </head> <body> Notice: Undefined index: REQUEST_METHOD in /in/7tGjv on line 15 <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/7tGjv"> Name: <input type="text" name="name" value=""> <span class="error">* </span> <br><br> E-mail: <input type="text" name="email" value=""> <span class="error">* </span> <br><br> Website: <input type="text" name="website" value=""> <span class="error"></span> <br><br> Comment: <textarea name="comment" rows="5" cols="40"></textarea> <br><br> Gender: <input type="radio" name="gender" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2><br><br><br><br> </body> </html>
Output for 7.3.32 - 7.3.33: <!DOCTYPE HTML> <html> <head> <style> .error {color: #FF0000;} </style> </head> <body> <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/7tGjv"> Name: <input type="text" name="name" value=""> <span class="error">* </span> <br><br> E-mail: <input type="text" name="email" value=""> <span class="error">* </span> <br><br> Website: <input type="text" name="website" value=""> <span class="error"></span> <br><br> Comment: <textarea name="comment" rows="5" cols="40"></textarea> <br><br> Gender: <input type="radio" name="gender" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2><br><br><br><br> </body> </html>

preferences:dark modelive preview