Replace the values of the first array with the values from the second array recursively:

SUBMITTED BY: henry1874w

DATE: June 25, 2017, 2:44 p.m.

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