How to delete duplicate elements in a two-dimensional array in php

php method to delete duplicate elements in a two-dimensional array: first create a PHP sample file; then use the "public function a_array_unique($array){...}" method to delete duplicate elements in a two-dimensional array That’s it.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How to delete 2D in php Duplicate elements in array?

Very simple!

The code example is as follows:

//二维数组去掉重复值
 public function a_array_unique($array){
  $out = array();
 
  foreach ($array as $key=>$value) {
   if (!in_array($value, $out)){
    $out[$key] = $value;
   }
  }
 
  $out = array_values($out);
  return $out;
 }

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