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  1. <?php
  2. $a = [[1,2,3]];
  3. $b = [];
  4. $c = [[7,8,9]];
  5.  
  6. print_r(
  7. 	array_merge($a,$b,$c)
  8. );
Success #stdin #stdout 0.03s 25584KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => Array
        (
            [0] => 1
            [1] => 2
            [2] => 3
        )

    [1] => Array
        (
            [0] => 7
            [1] => 8
            [2] => 9
        )

)
https://ideone.com/u6mybs
language:
PHP (php 7.3.5)
created:
13 days ago
visibility:
public

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