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<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; //$obj->${'data'[$key]}; // Syntax error $obj->{$data[$key]}; // Works $obj->${'key'}; // E_NOTICE. Does not work $obj->{$key}; // Works
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 property: stdClass::$foo in /in/csIqe on line 10 Warning: Undefined property: stdClass::$foo in /in/csIqe on line 11
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 property: stdClass::$foo in /in/csIqe on line 10 Warning: Undefined property: stdClass::$foo in /in/csIqe on line 11
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: stdClass::$foo in /in/csIqe on line 10 Notice: Undefined property: stdClass::$foo in /in/csIqe on line 11
Output for 7.3.32 - 7.3.33
preferences:
404.96 ms | 401 KiB | 181 Q