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run code in 150+ php & hhvm versions
Bugs & Features
<?php $key = "1234567890123456"; $iv = ''; // "abcdefghijkl"; $token = implode(";", array("foo", "bar", "baz")); print "Token: " . base64_encode($token) . "\n"; print "\n"; $cipher = openssl_encrypt($token, 'aes-128-gcm', $key, OPENSSL_RAW_DATA, $iv); print "Cipher: " . base64_encode($cipher) . "\n"; print "Error: " . openssl_error_string() . "\n"; print "\n"; $plain = openssl_decrypt($cipher, 'aes-128-gcm', $key, OPENSSL_RAW_DATA, $iv); print "Token: " . base64_encode($token) . "\n"; print "Cipher: " . base64_encode($cipher) . "\n"; print "Plain: " . base64_encode($plain) . "\n"; var_dump(openssl_error_string());
Output for 7.1.0
Token: Zm9vO2JhcjtiYXo= Warning: openssl_encrypt(): Setting of IV length for AEAD mode failed, the expected length is 12 bytes in /in/4KDsM on line 9 Cipher: Error: Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed, the expected length is 12 bytes in /in/4KDsM on line 15 Token: Zm9vO2JhcjtiYXo= Cipher: Plain: bool(false)
Output for 5.4.34 - 5.6.28, 7.0.0 - 7.0.14
Token: Zm9vO2JhcjtiYXo= Warning: openssl_encrypt(): Using an empty Initialization Vector (iv) is potentially insecure and not recommended in /in/4KDsM on line 9 Cipher: xpswKxQ4RW57cCU= Error: Token: Zm9vO2JhcjtiYXo= Cipher: xpswKxQ4RW57cCU= Plain: bool(false)
Output for hhvm-3.12.0
Token: Zm9vO2JhcjtiYXo= Warning: Using an empty Initialization Vector (iv) is potentially insecure and not recommended in /in/4KDsM on line 9 Cipher: xpswKxQ4RW57cCU= Error: Token: Zm9vO2JhcjtiYXo= Cipher: xpswKxQ4RW57cCU= Plain: bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.4.32
Token: Zm9vO2JhcjtiYXo= Fatal error: Call to undefined function openssl_encrypt() in /in/4KDsM on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Token: Zm9vO2JhcjtiYXo= Fatal error: Call to undefined function: openssl_encrypt() in /in/4KDsM on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Token: Zm9vO2JhcjtiYXo= Fatal error: Call to undefined function: openssl_encrypt() in /in/4KDsM on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Token: Zm9vO2JhcjtiYXo= Fatal error: Call to undefined function: openssl_encrypt() in /in/4KDsM on line 9