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run code in 150+ php & hhvm versions
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<?php $a['link'] = "link_value"; $a['target'] = "_target"; $a['class'] = "class_name" ; echo serialize($a);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a:3:{s:4:"link";s:10:"link_value";s:6:"target";s:7:"_target";s:5:"class";s:10:"class_name";}