3v4l.org

run code in 300+ PHP versions simultaneously
<!DOCTYPE HTML> <html> <head> </head> <body> <?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"]); } function test_input($data) { $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data); return $data; } ?> <h2>PHP Form Validation Example</h2> <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> Name: <input type="text" name="name"> <br><br> E-mail: <input type="text" name="email"> <br><br> Website: <input type="text" name="website"> <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 <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> </head> <body> Warning: Undefined array key "REQUEST_METHOD" in /in/29cNV on line 11 <h2>PHP Form Validation Example</h2> <form method="post" action="/in/29cNV"> Name: <input type="text" name="name"> <br><br> E-mail: <input type="text" name="email"> <br><br> Website: <input type="text" name="website"> <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 <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> </head> <body> Warning: Undefined array key "REQUEST_METHOD" in /in/29cNV on line 11 <h2>PHP Form Validation Example</h2> <form method="post" action="/in/29cNV"> Name: <input type="text" name="name"> <br><br> E-mail: <input type="text" name="email"> <br><br> Website: <input type="text" name="website"> <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 <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 - 7.0.29, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<!DOCTYPE HTML> <html> <head> </head> <body> Notice: Undefined index: REQUEST_METHOD in /in/29cNV on line 11 <h2>PHP Form Validation Example</h2> <form method="post" action="/in/29cNV"> Name: <input type="text" name="name"> <br><br> E-mail: <input type="text" name="email"> <br><br> Website: <input type="text" name="website"> <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 <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> </head> <body> <h2>PHP Form Validation Example</h2> <form method="post" action="/in/29cNV"> Name: <input type="text" name="name"> <br><br> E-mail: <input type="text" name="email"> <br><br> Website: <input type="text" name="website"> <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 <br><br> <input type="submit" name="submit" value="Submit"> </form> <h2>Your Input:</h2><br><br><br><br> </body> </html>

preferences:
267.22 ms | 402 KiB | 293 Q