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<?php declare(strict_types=1); function foobar(): bool { return flase; } $data = foobar(); var_dump($data); var_dump(true == $data); var_dump(true === $data);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.27, 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Fatal error: Uncaught Error: Undefined constant "flase" in /in/oD7bJ:7 Stack trace: #0 /in/oD7bJ(10): foobar() #1 {main} thrown in /in/oD7bJ on line 7
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant flase - assumed 'flase' (this will throw an Error in a future version of PHP) in /in/oD7bJ on line 7 Fatal error: Uncaught TypeError: Return value of foobar() must be of the type bool, string returned in /in/oD7bJ:7 Stack trace: #0 /in/oD7bJ(10): foobar() #1 {main} thrown in /in/oD7bJ on line 7
Process exited with code 255.
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant flase - assumed 'flase' (this will throw an Error in a future version of PHP) in /in/oD7bJ on line 7 Fatal error: Uncaught TypeError: Return value of foobar() must be of the type boolean, string returned in /in/oD7bJ:7 Stack trace: #0 /in/oD7bJ(10): foobar() #1 {main} thrown in /in/oD7bJ on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant flase - assumed 'flase' in /in/oD7bJ on line 7 Fatal error: Uncaught TypeError: Return value of foobar() must be of the type boolean, string returned in /in/oD7bJ:7 Stack trace: #0 /in/oD7bJ(10): foobar() #1 {main} thrown in /in/oD7bJ on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: Unsupported declare 'strict_types' in /in/oD7bJ on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/oD7bJ on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':', expecting '{' in /in/oD7bJ on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' in /in/oD7bJ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/oD7bJ on line 5
Process exited with code 255.

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