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<?php $variableName = 'foo'; // Create new variable with the name defined in variable $variableName $obj = (object) array( "foo" => "1", "bar" => "2", ); echo $obj->${$variableName}; ${$variableName} = 'MyValue'; //Outputs: string(7) "MyValue" echo $foo;
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 $foo in /in/XLO23 on line 8 Warning: Undefined property: stdClass::$ in /in/XLO23 on line 8 MyValue
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 $foo in /in/XLO23 on line 8 Warning: Undefined property: stdClass::$ in /in/XLO23 on line 8 MyValue
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: foo in /in/XLO23 on line 8 Notice: Undefined property: stdClass::$ in /in/XLO23 on line 8 MyValue
Output for 7.3.32 - 7.3.33
MyValue
Output for 7.0.0 - 7.0.20
Notice: Undefined variable: foo in /in/XLO23 on line 8 Fatal error: Uncaught Error: Cannot access empty property in /in/XLO23:8 Stack trace: #0 {main} thrown in /in/XLO23 on line 8
Process exited with code 255.
Output for 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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Undefined variable: foo in /in/XLO23 on line 8 Fatal error: Cannot access empty property in /in/XLO23 on line 8
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: foo in /in/XLO23 on line 8 Notice: Undefined property: stdClass::$ in /in/XLO23 on line 8 MyValue
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: foo in /in/XLO23 on line 8 Notice: Undefined property: stdClass::$ in /in/XLO23 on line 8 MyValue
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined variable: foo in /in/XLO23 on line 8 Notice: Undefined property: in /in/XLO23 on line 8 MyValue
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