3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $variableName = 'MyVariable'; // Create new variable with the name defined in variable $variableName ${$variableName} = 1+1; //Outputs: string(7) "MyValue" var_dump($MyVariable); //Outputs: string(7) "MyValue" var_dump(${'MyVariable'});
Output for 4.3.0 - 7.1.0
int(2) int(2)