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<?php declare(strict_types=1); function foo(bool $x): string { if ($x) echo 'yes'; echo 'no'; } foo(true); // TypeError
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
yesno Fatal error: Uncaught TypeError: foo(): Return value must be of type string, none returned in /in/dh8ot:7 Stack trace: #0 /in/dh8ot(9): foo(true) #1 {main} thrown in /in/dh8ot on line 7
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 yesno Fatal error: Uncaught TypeError: foo(): Return value must be of type string, none returned in /in/dh8ot:7 Stack trace: #0 /in/dh8ot(9): foo(true) #1 {main} thrown in /in/dh8ot on line 7
Process exited with code 255.
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
yesno Fatal error: Uncaught TypeError: Return value of foo() must be of the type string, none returned in /in/dh8ot:7 Stack trace: #0 /in/dh8ot(9): foo(true) #1 {main} thrown in /in/dh8ot on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/dh8ot on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/dh8ot on line 3
Process exited with code 255.

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