From stackoverflow.
Consider using preg_replace_callback.
Use this regex: (images/([0-9]+)[^"]+")
Then, as the callback argument, use an anonymous function. Result:
You should be able to modify this to work for you.
PHP Code:
$output = preg_replace_callback(
"(images/([0-9]+)[^\"]+\")",
function($m) {
// $m[1] is the number.
$t = getTitleFromDatabase($m[1]); // do whatever you have to do to get the title
return $m[0]." title=\"".$t."\"";
},
$input
);
Give it a try.
What did you Try? What did you Get? What did you Expect?
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