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<?php $a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow"); $a2=array("a"=>"purple","b"=>"orange"); array_splice($a1,0,2,$a2); print_r($a1);
Output for 4.3.0 - 7.3.0rc4
Array ( [0] => purple [1] => orange [c] => blue [d] => yellow )