- substr: documentation ( source)
- preg_match: documentation ( source)
- print_r: documentation ( source)
- trim: documentation ( source)
- preg_replace: documentation ( source)
<?php
$imageTag = '<img src = "http://nycxplorer.com/wp-content/uploads/2012/02/bagel1-1.jpg" height="300" width="200">';
//grab the src portion of the image tag
$srcPattern = "/src\s*?=\s*?\S+(\s|>)/s";
preg_match($srcPattern, $imageTag, $srcParts);
$srcPart = $srcParts[0];
print_r($srcPart. "\n");
//remove all whitespace from within and around the src portion
$srcPart = trim(preg_replace('/[\s]+/','', $srcPart));
print_r($srcPart . "\n");
//grab the src URL
$oldUrl = substr($srcPart, 4);
//if there are quotes at the beginning of the url, cut them off
if($oldUrl[0] == '"' || $oldUrl[0] == "'") {
$oldUrl = substr($oldUrl, 1, strlen($oldUrl)-2);
}
print_r($oldUrl. "\n");
?>