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  1. <?php
  2. $messages = [['sticker_id'=>1],['sticker_id'=>null],['sticker_id'=>3],['sticker_id'=>null],['sticker_id'=>1]];
  3.         $stickerIds  = array_values(
  4.             array_unique(
  5.                 array_filter(
  6.                     array_column($messages, 'sticker_id'))
  7.             )
  8.         );
  9. var_export($stickerIds);
Success #stdin #stdout 0.03s 25804KB
comments (?)
stdin
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Standard input is empty
stdout
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array (
  0 => 1,
  1 => 3,
)
https://ideone.com/s4tISd
language:
PHP (php 7.3.5)
created:
1 day ago
visibility:
public

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