判斷最大值&最小值 判斷最大值&最小值

 

<?php
$a = 1; 
$b = 20;
$c = 11;
 
echo "a = ".$a.", "."b = ".$b.", "."c = ".$c.", ". "<p>";
 
 
if ( $a > $b AND $a > $c ){
echo "A最大值:" . $a . "<br>";
}elseif ( $b > $a AND $b > $c ) {
echo "B最大值:" . $b . "<br>";
}else{
echo "C最大值:" . $c . "<br>";
}
 
if ( $a < $b AND $a < $c) {
echo "A最小值:" . $a . "<br>";
}elseif ( $b < $a AND $b < $c ) {
echo "B最小值:" . $b . "<br>";
}else{
echo "C最小值:" . $c . "<br>";
}
 
?>
2014-10-20作業 abc比較大小 2014-10-20作業 abc比較大小

 

<?php
$a = 0; 
$b = 30;
$c = 11;
 
echo "a = ".$a.", "."b = ".$b.", "."c = ".$c.", ". "<p>";
 
if ( $a > $b AND $b > $c ){
echo "A: ".$a . " > ". "B: ".$b . " > "."C: ".$c . "<br>";
}elseif ( $a > $b AND $b < $c ) {
echo "A: ".$a . " > "."C: ".$c . " > "."B: ".$b . "<br>";
}elseif ( $b > $c AND $c > $a ) {
echo "B: ".$b . " > "."C: ".$c . " > "."A: ".$a . "<br>";
}elseif ( $b > $c AND $c < $a ) {
echo "B: ".$b . " > "."A: ".$a . " > "."C: ".$c . "<br>";
}elseif ( $c > $a AND $a > $b ) {
echo "C: ".$c . " > "."A: ".$a . " > "."B: ".$b . "<br>";
}else{
echo "C: ".$c . " > "."B: ".$b . " > "."A: ".$a . "<br>";
}
?>