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  1. <?php
  2.  
  3. $array['23']['sasdseqw'] = 'bla bla';
  4. $array['35']['sadasdsasa'] = '...dd';
  5. $array['21']['saadadass'] = 'ssddds';
  6. $array['15']['asadsadasas'] = 'adsdsas';
  7.  
  8. $keys = [21, 15];
  9. $result = array_intersect_key($array, array_flip($keys));
  10.  
  11. print_r($result);
Success #stdin #stdout 0.02s 20520KB
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stdin
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Standard input is empty
stdout
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Array
(
    [21] => Array
        (
            [saadadass] => ssddds
        )

    [15] => Array
        (
            [asadsadasas] => adsdsas
        )

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

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