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源代码
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>PHP array_diff() 函数 实例 - 自学教程(runoops.com)</title> </head> <body> <?php $a1= ["a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow"]; $a2= ["e"=>"red","f"=>"green","g"=>"blue"]; $result=array_diff($a1,$a2); echo '<pre>'; var_dump($result); echo '</pre>'; ?> </body> </html>
运行结果：