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<?php $my_array = ['a','b','c']; $dyn_array = [1, 2, 3]; $num = 2; $result = array_merge($my_array, ...array_fill(0, $num, $dyn_array)); print_r($result);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => a [1] => b [2] => c [3] => 1 [4] => 2 [5] => 3 [6] => 1 [7] => 2 [8] => 3 )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => a [1] => b [2] => c [3] => 1 [4] => 2 [5] => 3 [6] => 1 [7] => 2 [8] => 3 )

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