網站程式設計-PHP
- 5_1.php
<?php
echo "<meta charset='utf-8'>";
$a=5;
$b=15;
echo "\$a={$a}"."<br>";
echo "\$b={$b}"."<br>";
if($b>$a)echo '$b>$a';
- 5_2.php
<?php
echo "<meta charset='utf-8'>";
$a=25;
$b=15;
echo "\$a={$a}"."<br>";
echo "\$b={$b}"."<br>";
if($b>$a){
echo '$b>$a';
}else{
echo '$a>$b';
}
- 5_3.php
<?php
echo "<meta charset='utf-8'>";
$a=15;
$b=15;
echo "\$a={$a}"."<br>";
echo "\$b={$b}"."<br>";
if($b>$a){
echo '$b > $a';
}elseif($b<$a){
echo '$b < $a';
}else{
echo '$b = $a';
}
- 5_4.php
<?php
echo "<meta charset='utf-8'>";
$a=15;
$b=25;
echo "\$a={$a}"."<br>";
echo "\$b={$b}"."<br>";
$msg=($a >= $b)?'$a >= $b':'$a < $b';
echo $msg;