Posted By

gandalf on 11/14/07

Tagged

html
images

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Last Edited at 11/14/07 05:00am

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Remove images from html

/ Published in: PHP

These two functions allow you to remove images from html page.
The function returns an array of images with the absolute src and,if there are any, the alt and title attributes.
Arguments to pass to get_images() are $file = html source and $url = the page url.
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<?php

function find_true_path($url,$image_location){
if(preg_match('/http/',$image_location)){
return($image_location);
}else{
$true_location='';

if(substr($image_location,0,2)=='./'){
$image_location=substr($image_location,2);
}
elseif(substr($image_location,0,1)=='/'){
$image_location=substr($image_location,1);
}else{
$image_location=$image_location;
}
$back_folder_count = substr_count($image_location,'../');
$url = substr($url,0,strrpos($url,'/'));
for($i=0;$i<$back_folder_count;$i++){
if(strrpos($url,'/')==strlen($url)-1){
$url = substr($url,0,-1);
$url = substr($url,0,strrpos($url,'/'));
}else{
$url = substr($url,0,strrpos($url,'/'));
}
}
if(substr($url,-1)!='/'){
$url = $url.'/';
}
$image_location = preg_replace('/(\.\.\/)/','',$image_location);
$true_location = $url.$image_location;
return($true_location);
}
}
?>

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