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  1. <?php
  2.  
  3. $arr = json_decode('[{"pos":0,"name":"Tom"},{"pos":1,"name":"John"},{"pos":2,"name":"Tom"}]');
  4.  
  5. $unique = array();
  6. $arr = array_filter($arr, function($v) use(&$unique){
  7.     $inArray = in_array($v->name, $unique);
  8.     if(!$inArray) $unique[] = $v->name;
  9.     return !$inArray;
  10. });
  11.  
  12. unset($unique);
  13. print_r($arr);
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => stdClass Object
        (
            [pos] => 0
            [name] => Tom
        )

    [1] => stdClass Object
        (
            [pos] => 1
            [name] => John
        )

)
https://ideone.com/w3sxx9
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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