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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 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $hasSides in /in/0v6IK on line 13 Deprecated: property_exists(): Passing null to parameter #2 ($property) of type string is deprecated in /in/0v6IK on line 13
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 Warning: Undefined variable $hasSides in /in/0v6IK on line 13 Deprecated: property_exists(): Passing null to parameter #2 ($property) of type string is deprecated in /in/0v6IK on line 13
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $hasSides in /in/0v6IK on line 13
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: hasSides in /in/0v6IK on line 13
Output for 7.3.32 - 7.3.33

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