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<?php $original = [ '1439045372' => ['price' => 10], '1439131770' => ['price' => 11], '1439218169' => ['price' => 14], '1439304572' => ['price' => 15], '1439390970' => ['price' => 12], ]; $add_to_array = ["3","4","5"]; $n = 1; $result = []; foreach ($original as $key => $item){ $add = $item; if(in_array($n, $add_to_array)){ $add ['data'] = $n; } $result []= $add; $n++; } unset($item); var_dump($result);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array(5) { [0]=> array(1) { ["price"]=> int(10) } [1]=> array(1) { ["price"]=> int(11) } [2]=> array(2) { ["price"]=> int(14) ["data"]=> int(3) } [3]=> array(2) { ["price"]=> int(15) ["data"]=> int(4) } [4]=> array(2) { ["price"]=> int(12) ["data"]=> int(5) } }
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(5) { [0]=> array(1) { ["price"]=> int(10) } [1]=> array(1) { ["price"]=> int(11) } [2]=> array(2) { ["price"]=> int(14) ["data"]=> int(3) } [3]=> array(2) { ["price"]=> int(15) ["data"]=> int(4) } [4]=> array(2) { ["price"]=> int(12) ["data"]=> int(5) } }

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