ISSET
GET
string(6) "value1"
ISSET
string(7) "default"
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
ISSET
GET
string(6) "value1"
ISSET
string(7) "default"
Output for 7.0.0 - 7.0.5
GET
string(6) "value1"
GET
Notice: Property attribute2 does not exist in /in/f0KrS on line 15
string(7) "default"
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/f0KrS on line 29
Process exited with code 255.