Posted By

valcartei on 08/20/07

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resize
image

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Last Edited at 08/20/07 07:48am

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image resize dynamically

/ Published in: PHP

get the image size and reduces it dynamically

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<?php

function imageResize($width, $height, $target) {

//takes the larger size of the width and height and applies the  
formula accordingly...this is so this script will work  
dynamically with any size image

if ($width > $height) {
$percentage = ($target / $width);
} else {
$percentage = ($target / $height);
}

//gets the new value and applies the percentage, then rounds the value
$width = round($width * $percentage);
$height = round($height * $percentage);

//returns the new sizes in html image tag format...this is so you
can plug this function inside an image tag and just get the

return "width=\"$width\" height=\"$height\"";

}

?>
//Then in the HTML:
<?php

//get the image size of the picture and load it into an array
$mysock = getimagesize("images/sock001.jpg");

<!-using a standard html image tag, where you would have the  
width and height, insert your new imageResize() function with  
the correct attributes -->

URL: http://www.sitepoint.com/article/image-resizing-php

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