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run code in 150+ php & hhvm versions
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<?php $tmp = array("tom"=>"Alice", "dick"=>"Mary", "harry"=>"George"); list($a,$b,$c) = each($tmp); var_dump($a,$b,$c);
Output for 5.3.0 - 5.6.26, 7.0.0 - 7.1.0
Notice: Undefined offset: 2 in /in/jK5tN on line 3 string(3) "tom" string(5) "Alice" NULL
Output for hhvm-3.10.0 - 3.13.2
Notice: Undefined index: 2 in /in/jK5tN on line 3 string(3) "tom" string(5) "Alice" NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 2 in /in/jK5tN on line 3 string(3) "tom" string(5) "Alice" NULL