MohsenAbrishami / stethoscope

src/Services/Cpu.php

<?php

namespace MohsenAbrishami\Stethoscope\Services;

class Cpu implements ServiceInterface
{
    public function check(): string
    {
        return number_format(exec(" grep 'cpu ' /proc/stat | awk '{print ($2+$4)*100/($2+$4+$5)}' "), 2);

exec(' grep 'cpu ' /proc/stat | awk '{print ($2+$4)*100/($2+$4+$5)}' ') of type string is incompatible with the type double expected by parameter $num of number_format().

    }
}