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<?php function append(array $init, array $add, $key = null, $initialKeyExist = true) { $_init = $init; if (is_null($key)) { foreach ($add as $key => $value) $_init[$key] = $value; return array_merge($_init, $init); } else { if ($initialKeyExist) { $_init[$key] = $add; return [ $key => array_merge($_init[$key], $init[$key]) ]; } else { return $_init[$key] = $add; } } } $a = [ 'phone' => [ 'code' => '+38', ], ]; $b = [ 'prefix' => '095', 'number' => '7700418', ]; var_dump(append($a, $b, 'phone')); $a = [ 'code' => '+38', ]; $b = [ 'prefix' => '095', 'number' => '7700418', ]; var_dump(append($a, $b)); $a = [ 'phone' => [ 'code' => '+38', ], ]; $b = [ 'prefix' => '095', 'number' => '7700418', ]; var_dump(append($a, $b, 'full', false));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.2.18, 8.3.0 - 8.3.6
array(1) { ["phone"]=> array(3) { ["prefix"]=> string(3) "095" ["number"]=> string(7) "7700418" ["code"]=> string(3) "+38" } } array(3) { ["code"]=> string(3) "+38" ["prefix"]=> string(3) "095" ["number"]=> string(7) "7700418" } array(2) { ["prefix"]=> string(3) "095" ["number"]=> string(7) "7700418" }
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/3Brc6 on line 12
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/3Brc6</b> on line <b>12</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in <b>/in/3Brc6</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_ARRAY, expecting ')' in <b>/in/3Brc6</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_ARRAY, expecting ')' in <b>/in/3Brc6</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/3Brc6</b> on line <b>2</b><br />
Process exited with code 255.
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