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@ 2018-07-23T19:16:44Z

<?php

$arr = array( 
   0 => array(
         0 => array(
             'name' => 'test1',
             'country' => 'abc'  
         ),
         1 => array(
             'name' => 'test2',
             'country' => 'xyz'  
         )
   ),
   1 => array(
     'name' => 'test3',
     'country' => 'pqr'
   ),
   2 => array(
         0 => array(
             'name' => 'test1',
             'country' => 'abc'  
         ),
         1 => array(
             'name' => 'test2',
             'country' => 'xyz'  
         ),
         2 => array(
             'name' => 'test1',
             'country' => 'abc'  
         ),
         3 => array(
             'name' => 'test2',
             'country' => 'xyz'  
         )
   ),
   3 => array(
     'name' => 'test3',
     'country' => 'pqr'
   ),
);

$new = [];
foreach($arr as $subarr){
    $new = array_merge($new, $subarr);
}
var_dump($new);

Output for git.master, git.master_jit, rfc.property-hooks: array(8) { [0]=> array(2) { ["name"]=> string(5) "test1" ["country"]=> string(3) "abc" } [1]=> array(2) { ["name"]=> string(5) "test2" ["country"]=> string(3) "xyz" } ["name"]=> string(5) "test3" ["country"]=> string(3) "pqr" [2]=> array(2) { ["name"]=> string(5) "test1" ["country"]=> string(3) "abc" } [3]=> array(2) { ["name"]=> string(5) "test2" ["country"]=> string(3) "xyz" } [4]=> array(2) { ["name"]=> string(5) "test1" ["country"]=> string(3) "abc" } [5]=> array(2) { ["name"]=> string(5) "test2" ["country"]=> string(3) "xyz" } }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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