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<?php
$a1=array("a"=>"red","b"=>"green");
$a2=array("c"=>"blue","b"=>"yellow");
print_r(array_merge_recursive($a1,$a2));
?>

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array_merge_recursive(array1,array2,array3...)
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array1 ±ØÐè¡£¹æ¶¨Êý×é¡£
array2 ¿ÉÑ¡¡£¹æ¶¨Êý×é¡£
array3 ¿ÉÑ¡¡£¹æ¶¨Êý×é¡£

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