shellphp

#! /usr/bin/php

<?php

$er = [];
$str =  exec('php -v',$er);

$ver ='';
$ver = mb_substr($er[0], 4, 3);

/*
$str = exec('php -v');
$ver ='';
for ($i=4; $i<=6; $i++) {
    $ver .= $i;
}
*/


exec('sudo a2dismod php'.$ver);
exec('sudo a2enmod php'.$argv[1]);
exec('sudo update-alternatives  --set php /usr/bin/php'.$argv[1]);
exec('sudo service apache2 reload');
?>