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run code in 300+ PHP versions simultaneously
<?php interface One { public function i(): int|string; } interface Two extends One { public function i(): int; } interface Three extends Two { public function i(): int|string; }
Output for 8.0.0 - 8.0.3, 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Declaration of Three::i(): string|int must be compatible with Two::i(): int in /in/j1SO9 on line 15
Process exited with code 255.
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 Fatal error: Declaration of Three::i(): string|int must be compatible with Two::i(): int in /in/j1SO9 on line 15
Process exited with code 255.
Output for 7.3.0 - 7.3.27, 7.4.0 - 7.4.16
Parse error: syntax error, unexpected '|', expecting ';' or '{' in /in/j1SO9 on line 5
Process exited with code 255.
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