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<?php class Person { function getN(){return 5;} function ret(){return $this;} function retN(){return null;} } class NullPerson extends Person { function getN(){return 0;} function ret(){return $this;} function retN(){return null;} } $a = new Person(); $b = null; var_dump(($a??new NullPerson())->getN(), ($b??new NullPerson())->getN());
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
int(5) int(0)
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 int(5) int(0)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected '?' in /in/NpbIP on line 19
Process exited with code 255.
preferences:
258.89 ms | 402 KiB | 322 Q