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>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 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> <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/uniup"> Name: <input type="text" name="name" value=" Warning: Undefined variable $name in /in/uniup on line 13 "> <br><br> Phone No: <input type="text" name="number" value=" Warning: Undefined variable $number in /in/uniup on line 15 "> <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" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* Warning: Undefined variable $genderErr in /in/uniup on line 30 </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2> Warning: Undefined variable $name in /in/uniup on line 37 <br> Warning: Undefined variable $email in /in/uniup on line 39 <br> Warning: Undefined variable $website in /in/uniup on line 41 <br> Warning: Undefined variable $comment in /in/uniup on line 43 <br> Warning: Undefined variable $gender in /in/uniup on line 45 </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> <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/uniup"> Name: <input type="text" name="name" value=" Warning: Undefined variable $name in /in/uniup on line 13 "> <br><br> Phone No: <input type="text" name="number" value=" Warning: Undefined variable $number in /in/uniup on line 15 "> <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" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* Warning: Undefined variable $genderErr in /in/uniup on line 30 </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2> Warning: Undefined variable $name in /in/uniup on line 37 <br> Warning: Undefined variable $email in /in/uniup on line 39 <br> Warning: Undefined variable $website in /in/uniup on line 41 <br> Warning: Undefined variable $comment in /in/uniup on line 43 <br> Warning: Undefined variable $gender in /in/uniup on line 45 </body> </html>
Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 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> <h2>PHP Form Validation Example</h2> <p><span class="error">* required field.</span></p> <form method="post" action="/in/uniup"> Name: <input type="text" name="name" value=" Notice: Undefined variable: name in /in/uniup on line 13 "> <br><br> Phone No: <input type="text" name="number" value=" Notice: Undefined variable: number in /in/uniup on line 15 "> <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" value="female">Female <input type="radio" name="gender" value="male">Male <span class="error">* Notice: Undefined variable: genderErr in /in/uniup on line 30 </span> <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2> Notice: Undefined variable: name in /in/uniup on line 37 <br> Notice: Undefined variable: email in /in/uniup on line 39 <br> Notice: Undefined variable: website in /in/uniup on line 41 <br> Notice: Undefined variable: comment in /in/uniup on line 43 <br> Notice: Undefined variable: gender in /in/uniup on line 45 </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/uniup"> Name: <input type="text" name="name" value=""> <br><br> Phone No: <input type="text" name="number" value=""> <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" 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:
190.59 ms | 403 KiB | 203 Q