php基本語法以及php操做mysql步驟

1:php語法  $age = 10;  $stop = "tom $age"; $run = 'tom'.$age; 2:php數組  $arr = [1,2,3,4]; $arr[] = 5; $arr = ["name"=>"tom","age"=>10];       foreach($arr as $k=>$v){ }php 3:php鏈接mysql  a:建立鏈接 $conn = my

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