幾道PHP筆試題

時(shí)間:2018-12-31 12:00:00 資料大全 我要投稿

幾道PHP筆試題

  1. 如何用php的環(huán)境變量得到一個(gè)網(wǎng)頁(yè)地址的內(nèi)容?ip地址又要怎樣得到?

幾道PHP筆試題

  2. 求兩個(gè)日期的差數(shù),例如2007-2-5 ~ 2007-3-6 的'日期差數(shù)

  3. 請(qǐng)寫(xiě)一個(gè)函數(shù),實(shí)現(xiàn)以下功能:

  字符串“open_door” 轉(zhuǎn)換成 “OpenDoor”、”make_by_id” 轉(zhuǎn)換成 ”MakeById”,

幾道PHP筆試題

  4. 要求寫(xiě)一段程序,實(shí)現(xiàn)以下數(shù)組$arr1轉(zhuǎn)換成數(shù)組$arr2:

  $arr1 = array (

  ’0′ => array (‘fid’ => 1, ‘tid’ => 1, ‘name’ =>’Name1′ ),

  ’1′ => array (‘fid’ => 1, ‘tid’ => 2 , ‘name’ =>’Name2′ ),

  ’2′ => array (‘fid’ => 1, ‘tid’ => 5 , ‘name’ =>’Name3′ ),

  ’3′ => array (‘fid’ => 1, ‘tid’ => 7 , ‘name’ =>’Name4′ ),

  ’4′ => array (‘fid’ => 3, ‘tid’ => 9, ‘name’ =>’Name5′ )

  );

  $arr2 = array (

  ’0′ => array (

  ’0′ => array ( ‘tid’ => 1, ‘name’ => ‘Name1′),

  ’1′ => array ( ‘tid’ => 2, ‘name’ => ‘Name2′),

  ’2′ => array ( ‘tid’ => 5, ‘name’ => ‘Name3′),

  ’3′ => array ( ‘tid’ => 7, ‘name’ => ‘Name4′)

  ),

  ’1′ => array (

  ’0′ => array ( ‘tid’ => 9, ‘name’ => ‘Name5′ )

  )

  );

  5. 請(qǐng)簡(jiǎn)述數(shù)據(jù)庫(kù)設(shè)計(jì)的范式及應(yīng)用,

資料共享平臺(tái)

幾道PHP筆試題》(http://m.clearvueentertainment.com)。

  一般第3范式就足以,用于表結(jié)構(gòu)的優(yōu)化,這樣做既可以避免應(yīng)用程序過(guò)于復(fù)雜同時(shí)也避免了SQL語(yǔ)句過(guò)于龐大所造成系統(tǒng)效率低下。

  6.一個(gè)表中的Id有多個(gè)記錄,把所有這個(gè)id的記錄查出來(lái),并顯示共有多少條記錄數(shù),用SQL語(yǔ)句及視圖、存儲(chǔ)過(guò)程分別實(shí)現(xiàn)。

  DELIMITER //

  CREATE PROCEDURE ProcGet

  (

  IN ID_a INT(11)

  )

  BEGIN

  DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN END;

  SELECT COUNT(*) AS Sum FROM News Where ID = ID_a;

  END;//

  CALL ProcGet(88)//

  7 表中有A B C三列,用SQL語(yǔ)句實(shí)現(xiàn):當(dāng)A列大于B列時(shí)選擇A列否則選擇B列,當(dāng)B列大于C列時(shí)選擇B列否則選擇C列。

  DELIMITER //

  CREATE PROCEDURE ProcOut()

  BEGIN

  DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN END;

  DECLARE Sum_a INT(11);

  DECLARE Sum_b INT(11);

  DECLARE Sum_c INT(11);

  – 獲取A列中的總值 <–

  DECLARE cur_1 CURSOR FOR SELECT SUM(A) FROM table_name;

  OPEN cur_1;

  FETCH cur_ 1 INTO Sum_a;

  CLOSE cur_1;

  – 獲取B列中的總值 <–

  DECLARE cur_2 CURSOR FOR SELECT SUM(B) FROM table_name;

  OPEN cur_2;

  FETCH cur_ 2 INTO Sum_b;

  CLOSE cur_2;

  – 獲取C列中的總值 <–

  DECLARE cur_3 CURSOR FOR SELECT SUM(C) FROM table_name;

  OPEN cur_3;

  FETCH cur_ 3 INTO Sum_c;

  CLOSE cur_3;

  IF Sum_a > Sum_b THEN

  SELECT A FROM table_name;

  ELSEIF Sum_b > Sum_c THEN

  SELECT B FROM table_name;

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