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<?php class Math { protected static $pi = 3.14; } class CircleMath extends Math { public static function calculateArea($radio) { return self::pi * pow($radio, 2); } } $radio = 5; echo sprintf('El área del circulo con radio de longitud %s es: %s', $radio, CircleMath::calculateArea($radio)); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant CircleMath::pi in /in/WkChf:9 Stack trace: #0 /in/WkChf(15): CircleMath::calculateArea(5) #1 {main} thrown in /in/WkChf on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Undefined class constant 'pi' in /in/WkChf:9 Stack trace: #0 /in/WkChf(15): CircleMath::calculateArea(5) #1 {main} thrown in /in/WkChf on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 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 - 5.6.28
Fatal error: Undefined class constant 'pi' in /in/WkChf on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/WkChf 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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/WkChf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/WkChf on line 3
Process exited with code 255.
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253.26 ms | 401 KiB | 356 Q