W3School TIY Editor
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暗黑模式
<!DOCTYPE html> <html> <body> <?php $a1=array("a"=>array("red"),"b"=>array("green","blue"),); $a2=array("a"=>array("yellow"),"b"=>array("black")); $result=array_replace_recursive($a1,$a2); print_r($result); $result=array_replace($a1,$a2); print_r($result); ?> </body> </html>