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POPHP: array_unshift after array_unique returns integer
 

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  1. POPHP: array_unshift after array_unique returns integer
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    <p>I recently tried to create an array with multiple Strings, representing the AcceptLanguage header. I need to push another user-specified language to the start of the array, to make it max priority.</p> <p>So far I have</p> <pre><code>function getRequestLangs(){ //get languages from browser $accLangs = explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']); $requestedLanguages = array(); foreach($accLangs as $key =&gt; $lang){ $lang = substr($lang,0,2); // p is a quality param, we won't need it, since the // preferred languages are already sorted by default if($lang != 'p='){ array_push($requestedLanguages,$lang); } } // we only need each language once, this function keeps the order return array_unique($requestedLanguages); } </code></pre> <p>Now I want to add the user-specified language as first key (in case the language is not supportet, I may fall back to another accepted language)</p> <pre><code>//language from path, pushed as first index (highest priority) if(isset($_GET['lang']) &amp;&amp; $_GET['lang'] != ""){ $requestedLanguages = array_unshift($requestedLanguages,$_GET['lang']); } </code></pre> <p><code>var_dump($requestedLanguages)</code> before array_unshift: </p> <pre><code> array(2) { [0]=&gt; string(2) "de" [2]=&gt; string(2) "en" } </code></pre> <p><code>var_dump($requestedLanguages)</code> after array_unshift: </p> <pre><code> int(3) </code></pre> <p>I think it might have to do with the index-hole between 0 and 2, but that is only a guess. </p> <p>[EDIT] i need more caffeine...</p> <pre><code>//wrong: $requestedLanguages = array_unshift($requestedLanguages,$_GET['lang']); //right: array_unshift($requestedLanguages,$_GET['lang']); </code></pre>
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    1. USMr.Manhattan
    1. USMr.Manhattan
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    1. CO[read the manual](http://php.net/manual/function.array-unshift.php)... *Returns the new number of elements in the array.*
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      1. USYoshi
    2. COyes. i saw that like 30 seconds after i postet this question...
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      1. USMr.Manhattan
 

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