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<?php $a = null; print $a ?: 'b'; print "\n"; print $c ?: 'a'; print "\n"; $b = array('a' => null); print $b['a'] ?? 'd'; print "\n"; print $b['a'] ?: 'd'; print "\n"; print $b['c'] ?? 'e'; print "\n"; print $b['c'] ?: 'e'; print "\n";
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
b Warning: Undefined variable $c in /in/v4lSP on line 10 a d d e Warning: Undefined array key "c" in /in/v4lSP on line 24 e
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 b Warning: Undefined variable $c in /in/v4lSP on line 10 a d d e Warning: Undefined array key "c" in /in/v4lSP on line 24 e
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
b Notice: Undefined variable: c in /in/v4lSP on line 10 a d d e Notice: Undefined index: c in /in/v4lSP on line 24 e
Output for 7.3.32, 7.4.26
b a d d e e
preferences:
162.58 ms | 401 KiB | 179 Q