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<?php $a = [ 'gateway' => 'a', 'email' => 'b', 'firstname' => 'c', 'lastname' => 'd', 'gender' => 'e', 'birthDate' => 'f', 'city' => 'g', 'zip' => 'h', 'client' => 'i', ]; $b = [ 'gateway' => '1', 'email' => '2', 'firstname' => '', 'lastname' => '3', ]; print_r( array_merge($a, $b) );
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 ( [gateway] => 1 [email] => 2 [firstname] => [lastname] => 3 [gender] => e [birthDate] => f [city] => g [zip] => h [client] => i )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/CkMqV on line 2
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/CkMqV on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CkMqV on line 2
Process exited with code 255.

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