3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $variableName = 'MyVariable'; $variableName .= '900'; // Create new variable with the name defined in variable $variableName ${$variableName} = 'MyValue'; ${$variableName} .= '900'; //Outputs: string(7) "MyValue" var_dump($MyVariable); //Outputs: string(7) "MyValue" var_dump(${'MyVariable'});
based on ZqcsD
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: MyVariable in /in/XmLFt on line 8 NULL Notice: Undefined variable: MyVariable in /in/XmLFt on line 10 NULL
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: MyVariable in /in/XmLFt on line 8 NULL Notice: Undefined variable: MyVariable in /in/XmLFt on line 10 NULL