How to delete duplicate arrays in php two-dimensional array

#How to delete duplicate arrays from a two-dimensional array?

The code 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;
 }

Related introduction:

in_array() function searches whether the specified value exists in the array.

Note: If the search parameter is a string and the type parameter is set to TRUE, the search is case-sensitive.

Syntax

in_array(search,array,type)

Parameters

search Required. Specifies the value to search for in the array.

array Required. Specifies the array to search.

type Optional. If this parameter is set to true, it is checked whether the type of the searched data and the value of the array are the same.

Description

Returns true if the given value search exists in the array array. If the third parameter is set to true, the function returns true only if the element exists in the array and has the same data type as the given value.

If the parameter is not found in the array, the function returns false.

Note: If the search parameter is a string and the type parameter is set to true, the search is case-sensitive.

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