| Source : lesson_17_a0_image_size.php |
Résultat |
<?php
echo "1_";
$size = getimagesize("../images/elephant_8.jpg");
for ($i=20;$i>4;$i=$i-2)
{
$h = $size[1]/$i;
$w = $size[0]/$i;
echo "<img src='../images/elephant_8.jpg' height=$h width=$w > ";
}
echo "<hr>2_";
$h = $size[1]/2;
$w = $size[0]/2;
for ($i=4;$i<20;$i=$i+2)
{
$h = $h/2;
$w = $w/2;
echo "<img src='../images/elephant_8.jpg' height=$h width=$w > ";
}
echo "<hr>3_";
$w = $size[0]/2;
for ($i=4;$i<20;$i=$i+2)
{
$h = $size[1]/$i;
$w = $w/2;
echo "<img src='../images/elephant_8.jpg' height=$h width=$w > ";
}
echo "<hr>4_";
$h = $size[1]/2;
for ($i=4;$i<20;$i=$i+2)
{
$w = $size[0]/$i;
$h = $h/2;
echo "<img src='../images/elephant_8.jpg' height=$h width=$w > ";
}
?>
|
1_
2_
3_
4_
|
