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<?php function castToString(Stringable|string $variable): string { try { $value = (string) $variable; } catch(\Throwable) { var_dump("Error thrown during string-conversion!"); $value = ''; } return $value; } class MyString { public function __toString(): never { throw new \Exception(); } } castToString(new MyString());
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.15
string(38) "Error thrown during string-conversion!"
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 8.0.14 - 8.0.30
Fatal error: MyString::__toString(): Return type must be string when declared in /in/Ze7r6 on line 15
Process exited with code 255.
Output for 8.0.0 - 8.0.13
Fatal error: Declaration of MyString::__toString(): never must be compatible with Stringable::__toString(): string in /in/Ze7r6 on line 15
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected '|', expecting variable (T_VARIABLE) in /in/Ze7r6 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '|', expecting '&' or variable (T_VARIABLE) in /in/Ze7r6 on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '|', expecting '&' or T_VARIABLE in /in/Ze7r6 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '|', expecting '&' or T_VARIABLE in /in/Ze7r6 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/Ze7r6 on line 3
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
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/Ze7r6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Ze7r6 on line 3
Process exited with code 255.
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