title: PHP how to remove key from multidimensional array?
body: <p>I want to remove key 1 from PHP array. I know how to achieve this by using foreach loop but i want <code>array_filter</code> solution. Anyone know How can I achieve this by using array filter method?</p>
  
  <p>PHP Array:</p>
  
  <pre><code>Array (
      [0] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 25
              [2] =&gt; 44
          )
  
      [1] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 25
              [2] =&gt; 48
          )
  
      [2] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 26
              [2] =&gt; 44
          )
  
      [3] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 26
              [2] =&gt; 48
          )
  
  )
  </code></pre>
  
  <p>Expected result:</p>
  
  <pre><code>Array
  (
      [0] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 44
          )
  
      [1] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 48
          )
  
      [2] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 44
          )
  
      [3] =&gt; Array
          (
              [0] =&gt; 5000
              [1] =&gt; 48
          )
  
  )
  </code></pre>