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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
// а есть какая-то специальная функция, которая делит массив на части по одинаковому значению?
// например, есть:
$arr = [
['id' => 1, 'smth' => 'sdfffs'],
['id' => 1, 'somewhere' => 'sdfasd'],
['id' => 1, 'anything' => 'sdfasd'],
['id' => 2, 'whatever' => 'asdfsv'],
['id' => 2, 'somewhere' => 'cvxczd'],
['id' => 2, 'sds' => 'ehgfxg'],
['id' => 2, 'what123' => 'sdfawerqwsd']
];
$res = array_chunk($arr, 4);
print_r($res);