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array_merge重写字段数据

作者:老J 时间:2018-06-21 分类:PHP
>>> $_config = array('db_host' => 'localhost', 'db_user' => 'edu', 'db_pwd' => 'edu','db_name' => 'edu', 'db_lang' => 'utf8', 'db_prefix' => 'edu_', 'pconnect' => 0,'debug'=>1);
=> [
     "db_host" => "localhost",
     "db_user" => "edu",
     "db_pwd" => "edu",
     "db_name" => "edu",
     "db_lang" => "utf8",
     "db_prefix" => "edu_",
     "pconnect" => 0,
     "debug" => 1,
   ]
>>> 
>>> 
>>> 
>>> $c =  array('db_host' => 'localhost', 'db_user' => 'root', 'db_pwd' => 'xx','db_name' => 'pcdd2', 'db_lang' => 'utf8', 'db_prefix' => 'un_', 'pconnect' => 0,'debug'=>1)
=> [
     "db_host" => "localhost",
     "db_user" => "root",
     "db_pwd" => "xx",
     "db_name" => "pcdd2",
     "db_lang" => "utf8",
     "db_prefix" => "un_",
     "pconnect" => 0,
     "debug" => 1,
   ]
>>> 
>>> 
>>> array_merge($_config,$c)
=> [
     "db_host" => "localhost",
     "db_user" => "root",
     "db_pwd" => "xx",
     "db_name" => "pcdd2",
     "db_lang" => "utf8",
     "db_prefix" => "un_",
     "pconnect" => 0,
     "debug" => 1,
   ]
>>>

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