PHP API Data Interface Writing example

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The following is an example of an interface code:

<?php$output = Array (); $a = @$_get[' a ']? $_get[' A ']: '; $uid = @$_get[' uid ']?  $_get[' uid ']: 0;if (Empty ($a)) {$output = array (' Data ' =>null, ' info ' = ' Hang Dad! '); ' Code ' =>-201); Exit (Json_encode ($output));} Go to the interface if ($a = = ' get_users ') {//Check the user if ($uid = = 0) {$output = array (' Data ' =>null, ' info ' = ' The UID is null! ', ' Co  De ' =>-401); exit (Json_encode ($output)); }//Assume that $mysql is a database $mysql = Array (10001 = = Array (' UID ' =>10001, ' VIP ' =>5, ' nickname ' = = ' Shine X ', ' Emai L ' = ' 979137@qq.com ', ' QQ ' =>979137, ' Gold ' =>1500, ' powerplay ' + = Array (' 2XP ' =>12, ' Gem ' =>12, ' bingo ' =>5, ' Keys ' =>5, ' chest ' =>8 ', ' gems ' = = Array (' Red ' =>13, ' green ' =>3, ' Blue ' =>8, ' yellow ' =>17), ' CTime ' =>1376523234, ' lastlogin ' =>1377123144, ' level ' =>19, ' exp ' =>16758, ' 10002 ' (' uid ' = ') ' 10002, ' VIP ' =>50, ' nickname ' = ' Elva ', ' email ' = ' elva@ezhi.net ', ' QQ ' =>null, ' Gold ' =>14320, ' POWERPL Ay ' = = Array (' 2XP ' =&GT;1, ' Gem ' =>120, ' Bingo ' =>51, ' Keys ' =>5, ' chest ' =>8 ', ' gems ' = = Array (' Red ' =>13, ' green ' =>3, ' Blue ' =>8, ' yellow ' =>17, ' CTime ' =>1376523234, ' lastlogin ' =>1377123144, ' level ' =>112, ' exp ' =  167588,), 10003 = = Array (' uid ' = 10003, ' vip ' = 5, ' nickname ' = ' Lily ', ' email ' = ' Lily@ezhi.net ', ' QQ ' = NULL, ' gold ' = 1541, ' powerplay ' = = Array (' 2XP ' =>2, ' Gem ' =>112, ' Bingo ' =>4, ' Keys ' =>7, '  Chest ' =>8), ' gems ' = = Array (' Red ' =>13, ' green ' =>3, ' Blue ' =>9, ' yellow ' =>7), ' ctime ' = 1376523234,  ' Lastlogin ' = 1377123144, ' level ', ' + ', ' exp ' = 1758, ');  $UIDARR = Array (10001,10002,10003);  if (In_array ($uid, $UIDARR, True)) {$output = array (' data ' = NULL, ' info ' = ' The user does not exist! ', ' code ' =  -402); exit (Json_encode ($output));  }//Query database $userInfo = $mysql [$uid]; Output Data $output = Array (' userInfo ' + = $userInfo, ' islogin ' = true,//whether the first login ' unread' = = 4,//Unread message number ' untask ' = 3,//unfinished task], ' info ' = ' Here's the message which, commonly used in popup window ',// The message indicates that the client often uses this as a popup information.  ' Code ' = 200,//success and failure codes, usually positive or negative; Exit (Json_encode ($output));}  ElseIf ($a = = ' Get_games_result ') {//... die (' You are tuning Get_games_result interface! ');} elseif ($a = = ' Upload_avatars ') {/... Die (' You are tuning Upload_avatars interface! ');}