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POMultisort a 2 deep array
 

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    <p>Consider the following multisort method. In this case I have a array of items with a specific start date. Example array is shown:</p> <pre><code>0 -&gt; array('title' =&gt; 'hello', 'attributes' =&gt; array('id' =&gt; 4, 'startdate' =&gt; '2013-06-11')), 1 -&gt; array('title' =&gt; 'hello second entry', 'attributes' =&gt; array('id' =&gt; 6, 'startdate' =&gt; '2013-04-11')) </code></pre> <p>You can see that the 2nd entry should come before the first. Using my call currently will not work because It only checks to depth 1 of the array.</p> <pre><code>$albums = $this-&gt;multiSort($items, "SORT_ASC", 'startdate', true); </code></pre> <p>How would be the best way to modify this method to have a depth search on the items in the array. Even better would be to be able to specific the depth key. I would like to avoid having to add additional parameters to the method. </p> <p>I could call the method like so and then write a for loop to get the key data, but having nested for loops is not something I want to do.</p> <pre><code>$albums = $this-&gt;multiSort($items, "SORT_ASC", array('attributes', 'startdate') , true); </code></pre> <p>What is the best way to optimize this method for my case?</p> <pre><code>public function multiSort($data, $sortDirection, $field, $isDate) { if(empty($data) || !is_array($data) || count($data) &lt; 2) { return $data; } foreach ($data as $key =&gt; $row) { $orderByDate[$key] = ($isDate ? strtotime($row[$field]) : $row[$field]); } if($sortDirection == "SORT_DESC") { array_multisort($orderByDate, SORT_DESC, $data); } else { array_multisort($orderByDate, SORT_ASC, $data); } return $data; } </code></pre>
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    1. USSixthpoint
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    1. CODuplicate: http://stackoverflow.com/questions/2699086/sort-multidimensional-array-by-value-2?rq=1
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      1. USDACrosby
    2. CO@DACrosby It's not a duplicate... The OP has some specific requirements on inputs to the function that handles this.
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      1. USChris Rasco
 

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