3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variableName = 'MyVariable'; // Create new variable with the name defined in variable $variableName ${$variableName} = 2*4; //Outputs: string(7) "MyValue" var_dump($MyVariable); //Outputs: string(7) "MyValue" var_dump(${'MyVariable'});

preferences:
39.43 ms | 402 KiB | 5 Q