php - Extract a Flickr photo ID from URL

Solution:

you can use

$data = explode("/",$url)
$value = $data[sizeof($data)-1]
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Solution:

try this regex:

\d+$
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will find all digits before string end

or:

(?<=/)\d+$
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will find all digits after/ sign before string end

Solution:

If the identifier you want is always the last in the URL, don't bother with regular expressions and instead use simple string functions.

<?php

$url = 'http://www.flickr.com/photos/[email protected]/7885410582';

$flickr_id = substr($url, strrpos($url, "/") + 1);

echo $flickr_id; // 7885410582
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Solution:

Try this:

preg_match_all('~^.+/(\d+)$~',$string2,$matches);
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Description

Demo

http://regex101.com/r/aL2hL3

Sample code

$string2 = 'http://www.flickr.com/photos/[email protected]/7885410582';
preg_match('~^.+/(\d+)$~',$string2,$matches);
echo  $matches[1]; // 7885410582
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