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POMultidimensional array unique based on value (not array key)
 

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  1. POMultidimensional array unique based on value (not array key)
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    <p>I have a multidimensional array which I need to be sorted with uniqueness as I have duplicated records, so I need <code>array_unique</code> to go through the array and remove duplicates by the value, e.g.</p> <pre><code>Array ( [0] =&gt; Array ( [id] =&gt; 324 [time_start] =&gt; 1301612580 [level] =&gt; 0.002 [input_level] =&gt; 0.002 ) [1] =&gt; Array ( [id] =&gt; 325 [time_start] =&gt; 1301612580 [level] =&gt; 0.002 [input_level] =&gt; 0.002 ) [2] =&gt; Array ( [id] =&gt; 326 [time_start] =&gt; 1301612580 [level] =&gt; 0.002 [input_level] =&gt; 0.002 ) ) </code></pre> <p>There are duplicated <code>time_start</code>, which they are all the same, also <code>level</code> and <code>input_level</code> but they are not to be affected, only if there are matching <code>time_start</code> it should remove it and process the whole array <em>(the array is bigger than you think, but I just posted a small example of the array)</em>. Should remove dupes and return like this:</p> <pre><code>Array ( [0] =&gt; Array ( [id] =&gt; 324 [time_start] =&gt; 1301612580 [level] =&gt; 0.002 [input_level] =&gt; 0.002 ) ) </code></pre> <p>Questions I've found that didn't work:</p> <ul> <li><a href="https://stackoverflow.com/questions/5405547/reformat-multidimensional-array-based-on-value">reformat multidimensional array based on value</a></li> <li><a href="https://stackoverflow.com/questions/4466159/delete-element-from-multidimensional-array-based-on-value">Delete element from multidimensional-array based on value</a></li> </ul>
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