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<?php
function distance($curlen,$type,$totype,$on){
//Check to see if the first value is an interger
if(!is_int($curlen)){
return 'Wrong input type for first value';
exit;
}
//Make sure second value is either f,i, or m
if($type!="f"&&$type!="i"&&$type!="m"){
return 'Wrong input type for second value';
exit;
}
//Make sure third value is either f,i, or m
if($totype!="f"&&$totype!="i"&&$totype!="m"){
return 'Wrong input type for third value';
exit;
}
//Make sure fourth value is either 1 or 2
if($on!=1&&$on!=2){
return 'Wrong input type for fourth value';
exit;
}
//If it passes the above, get the current type
switch($type){
//if it is an i do the math
case "i":
if($totype=="f"){
$len = $curlen / 12;
if($on==1){
return number_format(round($len,1)).' FT';
}else{
return number_format(round($len,1));
}
}elseif($totype=="m"){
$len = $curlen / 63360;
if($on==1){
return number_format(round($len,1)).' MI';
}else{
return number_format(round($len,1));
}
}
break;
//if it is an f do the math
case "f":
if($totype=="i"){
$len = $curlen * 12;
if($on==1){
return number_format(round($len,1)).' IN';
}else{
return number_format(round($len,1));
}
}elseif($totype=="m"){
$len = $curlen / 5280;
if($on==1){
return number_format(round($len,1)).' MI';
}else{
return number_format(round($len,1));
}
}
break;
//if it is an m do the math
case "m":
if($totype=="i"){
$len = $curlen * 63360;
if($on==1){
return number_format(round($len,1)).' IN';
}else{
return number_format(round($len,1));
}
}elseif($totype=="f"){
$len = $curlen * 5280;
if($on==1){
return number_format(round($len,1)).' FT';
}else{
return number_format(round($len,1));
}
}
break;
}
}
//position 1 = distance numaric numbers only no commas
//position 2 = current lenght type of position 1
//position 3 = convert lenght type of position 1 and 2
//position 4 = FT,MI,IN extentions on or off :: 1=on : 2=off
//m = miles
//f = feet
//i = inches
echo distance(123,"m","f",1);
?>
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Suggested Difficulty Level: Advanced
Current Score: 2.74
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2011-06-27 21:08:20