Code: Select all
<?php
echo(solve("2/3*6"));
echo('<br>');
echo(solve(".5*10"));
function solve($temp){
$z = false;
while(!$z){
$exp = explode('/', $temp, 2);
if(count($exp) == 2){
$part = $exp[0];
$part2 = $exp[1];
$p1a = split('[*+-/]', $part);
$count = count($p1a) - 1;
$p1 = $p1a[$count];
$p2a = split('[*+-/]', $part2);
$p2 = $p2a[0];
$p3 = $p1/$p2;
$temp = str_replace("$p1/$p2",$p3,$temp);
}
else{
$z = true;
}
}
$z = false;
while(!$z){
$exp = explode('*', $temp, 2);
if(count($exp) == 2){
echo('Working the multiplecation<br>');
$part = $exp[0];
$part2 = $exp[1];
$p1a = split('[*+-/]', $part);
$count = count($p1a) - 1;
$p1 = $p1a[$count];
$p2a = split('[*+-/]', $part2);
$p2 = $p2a[0];
$p3 = $p1*$p2;
$temp = str_replace("$p1*$p2",$p3,$temp);
}
else{
$z = true;
}
}
$z = false;
while(!$z){
$exp = explode('-', $temp, 2);
if(count($exp) == 2){
$part = $exp[0];
$part2 = $exp[1];
$p1a = split('[*+-/]', $part);
$count = count($p1a) - 1;
$p1 = $p1a[$count];
$p2a = split('[*+-/]', $part2);
$p2 = $p2a[0];
$p3 = $p1-$p2;
$temp = str_replace("$p1-$p2",$p3,$temp);
}
else{
$z = true;
}
}
$z = false;
while(!$z){
$exp = explode('+', $temp, 2);
if(count($exp) == 2){
$part = $exp[0];
$part2 = $exp[1];
$p1a = split('[*+-/]', $part);
$count = count($p1a) - 1;
$p1 = $p1a[$count];
$p2a = split('[*+-/]', $part2);
$p2 = $p2a[0];
$p3 = $p1+$p2;
$temp = str_replace("$p1+$p2",$p3,$temp);
}
else{
$z = true;
}
}
return $temp;
}
?>Code: Select all
0.6.66666666679
.50