3v4l.org

run code in 300+ PHP versions simultaneously
<!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="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> Name: <input type="text" name="name" value="<?php echo $name;?>"> <br><br> Phone No: <input type="text" name="number" value="<?php echo $number;?>"> <br><br> Action: <select name="action"> <option value="Buy">Buy</option> <option value="Sell">Sell</option> </select><br> <br><br> Animal: <select name="action"> <option value="Buy">Buy</option> <option value="Sell">Sell</option> </select><br> <br><br> Gender: <input type="radio" name="gender" <?php if (isset($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>

preferences:
52.68 ms | 402 KiB | 5 Q