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POHow can I check if a relative URL is the current one in PHP?
 

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  1. POHow can I check if a relative URL is the current one in PHP?
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    <p>I'm looking to make a PHP function that takes in a relative URL and returns whether that is this URL.</p> <pre><code>&lt;?PHP function isCurrentPage($page) { //Magic } ?&gt; </code></pre> <p>this will be passed values such as <code>"/"</code>, <code>"/foo/bar"</code>, <code>page.php</code>, or even <code>"foo/page.php?parameter=value"</code>.</p> <p>My first attempt involved using <code>$page == $_SERVER["REQUEST_URI"]</code>, but that says <code>"/foo/bar" != "/foo/bar/"</code>. That isn't much of an issue, but the difficulty comes with it saying <code>"/foo/bar" != "/foo/bar/index.php?parameter=value"</code>. For my purposes, I need it to say that these are equivalent.</p> <p><strong>How can I tell if the current URL is one passed to this function, with the given restrictions?</strong> I would prefer a simple, robust solution that is guaranteed to work for the next 5 years, as this is for a long-term, high-use project. Old, non-deprecated functions andor regexes are preferable.</p> <p>To synopsize, the method must return <code>true</code> when on the url <code>http://example.com/foo/bar</code>:</p> <ul> <li><code>isCurrentPage("http://example.com/foo/bar")</code></li> <li><code>isCurrentPage("http://example.com/foo/bar/")</code></li> <li><code>isCurrentPage("http://example.com/foo/bar/index.php")</code></li> <li><code>isCurrentPage("http://example.com/foo/bar/index.phps")</code></li> <li><code>isCurrentPage("http://example.com/foo/bar/index.phtml")</code></li> <li><code>isCurrentPage("/foo/bar")</code></li> <li><code>isCurrentPage("/foo/bar/")</code></li> <li><code>isCurrentPage("/foo/bar/index.php")</code></li> <li><code>isCurrentPage("/foo/bar?parameter=value")</code></li> <li><code>isCurrentPage("/foo/bar/?parameter=value")</code></li> <li><code>isCurrentPage("/foo/bar/index.php?parameter=value")</code></li> <li><code>isCurrentPage("/foo/bar/index.php#id")</code></li> <li><code>isCurrentPage("#id")</code></li> <li><code>isCurrentPage("index.php")</code></li> <li><code>isCurrentPage("index.php?parameter=value")</code></li> </ul> <p>et cetera.</p>
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    1. COThis question does not show any research effort. It is important to **do your homework**. Tell us what you found and ***why*** it didn't meet your needs. This demonstrates that you've taken the time to try to help yourself, it saves us from reiterating obvious answers, and most of all it helps you get a more specific and relevant answer. [FAQ](http://stackoverflow.com/questions/how-to-ask).
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      1. POHow can I check if a relative URL is the current one in PHP?
      1. USJohn Conde
    2. COwhat about aliases, e.g. apache `Alias /baz /foo/bar`?
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      1. POHow can I check if a relative URL is the current one in PHP?
      1. USMarc B
    3. CO@MarcB that's not currently a concern, but I'd love to see a solution if you have one!
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