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<?php $array = array( 'de' => 'German Primary Link #1', 'en' => 'English Primary Link #1' ); echo serialize($array);
based on 6mIc5
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a:2:{s:2:"de";s:22:"German Primary Link #1";s:2:"en";s:23:"English Primary Link #1";}