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源代码
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>PHP array_intersect_key() 实例 - 自学教程(runoops.com)</title> </head> <body> <?php $a1=array("red","green","blue","yellow"); $a2=array("red","green","blue"); $result=array_intersect_key($a1,$a2); echo '<pre>'; print_r($result); echo '</pre>'; ?> </body> </html>
运行结果: