@ 2018-09-19T14:26:26Z <?php
interface Feature
{
public static function fromInput(array $featureInput) : self;
}
final class Covariance implements Feature
{
/**
* @return self
*/
public static function fromInput(array $featureInput) : Feature
{
return new self();
}
}
$covariantReturnType = Covariance::fromInput([]);
var_dump($covariantReturnType);
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Output for 7.0.0 - 7.0.31 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.19 , 8.3.0 - 8.3.4 , 8.3.6 - 8.3.7 object(Covariance)#1 (0) {
}
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
object(Covariance)#1 (0) {
}
Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.38 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/mJC4g on line 5
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/mJC4g on line 5
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING in /in/mJC4g 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 in /in/mJC4g on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/mJC4g on line 3
Process exited with code 255 . preferences:dark mode live preview
274.67 ms | 401 KiB | 441 Q