Online PHP editor | refs for JJlVN

@ 2018-02-19T23:37:34Z

<?php
$grades=array(-4,-1,0,1,6,10,70,99,100,101,105,110);
foreach($grades as $grade){
    if( $grade<0 || $grade>100 ){
        $validGrades[] = $grade;
    }else{
        $invalidGrades[] = $grade;
    }
}
var_export($validGrades);
echo "\n---\n";
var_export($invalidGrades);