execute any function by this

ManyCalls.php

<?php

class ManyFunctions
{
    /**
     * @param string $sMethod
     * @param array $aParams
     * @return mixed|void
     */
    public function __call($sMethod, $aParams = [])
    {
        if (function_exists($sMethod)) {
            return $sMethod(...$aParams);
        }
    }
    
    public function doHelloWorld($hello, $place)
    {
        return "{$this->ucfirst($hello)} {$this->trim($place)}!";
    }
}

$oMf = new ManyFunctions();

echo $oMf->doHelloWorld('hello', ' world ');