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run code in 150+ php & hhvm versions
Bugs & Features
<?php function encrypt_decrypt($action, $string) { $output = false; $encrypt_method = "AES-256-CBC"; $secret_key = 'This is my secret key'; $secret_iv = 'This is my secret iv'; // hash $key = hash('sha256', $secret_key); // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning $iv = substr(hash('sha256', $secret_iv), 0, 16); if( $action == 'encrypt' ) { $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv); $output = base64_encode($output); } else if( $action == 'decrypt' ){ $output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv); } return $output; } $plain_txt = "This is my plain text"; echo "Plain Text = $plain_txt\n"; $encrypted_txt = encrypt_decrypt('encrypt', $plain_txt); echo "Encrypted Text = $encrypted_txt\n"; $decrypted_txt = encrypt_decrypt('decrypt', $encrypted_txt); echo "Decrypted Text = $decrypted_txt\n"; if( $plain_txt === $decrypted_txt ) echo "SUCCESS"; else echo "FAILED"; echo "\n";
Output for 5.4.15 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Plain Text = This is my plain text Encrypted Text = M3QxKzRXN1FaVlg3alZaUDlNbHdOdXVuSnZQNUF5U29XVWpVKzNPSGFFRT0= Decrypted Text = This is my plain text SUCCESS
Output for 5.1.2 - 5.4.14
Plain Text = This is my plain text Fatal error: Call to undefined function openssl_encrypt() in /in/CArS9 on line 17
Process exited with code 255.
Output for 5.0.0 - 5.1.1
Plain Text = This is my plain text Fatal error: Call to undefined function hash() in /in/CArS9 on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Plain Text = This is my plain text Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Plain Text = This is my plain text Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Plain Text = This is my plain text Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11