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<?php class A{ public string $x; } var_dump(property_exists($A,'x'));//true var_dump($A); //class A#1 (1) {} // - it counts the property, but hides it var_dump(new stdClass()); //class stdClass#1 (0) {} - empty object
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $A in /in/vjSWN on line 7 Fatal error: Uncaught TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /in/vjSWN:7 Stack trace: #0 /in/vjSWN(7): property_exists(NULL, 'x') #1 {main} thrown in /in/vjSWN on line 7
Process exited with code 255.
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 $A in /in/vjSWN on line 7 Fatal error: Uncaught TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /in/vjSWN:7 Stack trace: #0 /in/vjSWN(7): property_exists(NULL, 'x') #1 {main} thrown in /in/vjSWN on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: A in /in/vjSWN on line 7 Warning: First parameter must either be an object or the name of an existing class in /in/vjSWN on line 7 NULL Notice: Undefined variable: A in /in/vjSWN on line 8 NULL object(stdClass)#1 (0) { }
Output for 7.4.26
Warning: First parameter must either be an object or the name of an existing class in /in/vjSWN on line 7 NULL NULL object(stdClass)#1 (0) { }
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'string' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/vjSWN on line 4
Process exited with code 255.

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