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<?php class Shape { public $hasSides = true; } class Square extends Shape { } $square = new Square(); // Adicione seu código abaixo! if (property_exists($square, hasSides)) { echo "Eu tenho lados!"; }
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 "hasSides" in /in/cEPmm:13 Stack trace: #0 {main} thrown in /in/cEPmm on line 13
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant hasSides - assumed 'hasSides' (this will throw an Error in a future version of PHP) in /in/cEPmm on line 13 Eu tenho lados!
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Notice: Use of undefined constant hasSides - assumed 'hasSides' in /in/cEPmm on line 13 Eu tenho lados!

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