http://www.dreamwing.org Tue, 06 Jul 2010 03:56:34 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 http://www.dreamwing.org/anything/php-version-530-is-released.html http://www.dreamwing.org/anything/php-version-530-is-released.html#comments Tue, 30 Jun 2009 14:19:20 +0000 Dream☆Wing http://www.dreamwing.org/anything/php-version-530-is-released.html http://www.dreamwing.org/anything/php-version-530-is-released.html/feed 0 http://www.dreamwing.org/php/php_syntax_exam.html http://www.dreamwing.org/php/php_syntax_exam.html#comments Tue, 03 Mar 2009 07:56:25 +0000 Dream☆Wing http://www.dreamwing.org/?p=561 http://www.dreamwing.org/php/php_syntax_exam.html/feed 1 http://www.dreamwing.org/php/flash_php_different_system_useragent.html http://www.dreamwing.org/php/flash_php_different_system_useragent.html#comments Thu, 26 Feb 2009 09:59:16 +0000 Dream☆Wing http://www.dreamwing.org/?p=540 http://www.dreamwing.org/php/flash_php_different_system_useragent.html/feed 0 http://www.dreamwing.org/php/amfphp_notes.html http://www.dreamwing.org/php/amfphp_notes.html#comments Wed, 17 Dec 2008 09:13:32 +0000 Dream☆Wing http://www.dreamwing.org/?p=456 http://www.dreamwing.org/php/amfphp_notes.html/feed 0 http://www.dreamwing.org/php/watch_the_key_of_array_after_serialize.html http://www.dreamwing.org/php/watch_the_key_of_array_after_serialize.html#comments Wed, 10 Dec 2008 16:31:36 +0000 Dream☆Wing http://www.dreamwing.org/?p=444 http://www.dreamwing.org/php/watch_the_key_of_array_after_serialize.html/feed 0 http://www.dreamwing.org/php/jecat_jabber_im_on_php.html http://www.dreamwing.org/php/jecat_jabber_im_on_php.html#comments Fri, 17 Oct 2008 19:29:28 +0000 Dream☆Wing http://www.dreamwing.org/?p=322 http://www.dreamwing.org/php/jecat_jabber_im_on_php.html/feed 0 http://www.dreamwing.org/php/dips_overflow_and_octal_of_integer.html http://www.dreamwing.org/php/dips_overflow_and_octal_of_integer.html#comments Sun, 12 Oct 2008 15:50:43 +0000 Dream☆Wing http://www.dreamwing.org/?p=283 http://www.dreamwing.org/php/dips_overflow_and_octal_of_integer.html/feed 0 http://www.dreamwing.org/php/fatal_error_allow_memory_size_exhausted.html http://www.dreamwing.org/php/fatal_error_allow_memory_size_exhausted.html#comments Wed, 17 Sep 2008 14:17:04 +0000 Dream☆Wing http://www.dreamwing.org/?p=222 http://www.dreamwing.org/php/fatal_error_allow_memory_size_exhausted.html/feed 0 http://www.dreamwing.org/php/array_map_plus_create_function.html http://www.dreamwing.org/php/array_map_plus_create_function.html#comments Wed, 27 Aug 2008 18:10:55 +0000 Dream☆Wing http://www.dreamwing.org/?p=119 1,’username’='dreamwing’), array(’uid’=>2,’username’='cherry’) ); 要取得uid的集合的话，一般是foreach出来扔到一个新数组里。 写多了就回想有没其他方法来实现，数组的函数还是很多的 其中array_map()函数可以用回调函数处理数组的单元 这样 function return_uid($user) { return $user['uid']; } $uidarr = array_map(’return_uid’,$userarr); 即可 当然，与foreach相比，哪种写法效率高有时间再测试下 不过，如果可以像JQuery那样在第一个$param里定义函数多美….. 既然用都用了，那么多了解点array_map()这个函数吧 官网有几个例子： 1.同上 2.函数有N个参数，array_map()可以传N个数组.The number of parameters that the callback function accepts should match the number of arrays passed to the array_map() 3.有点意思的使用方式，当回调函数$callback为null时，就回构造出一个数组的数组（传一个数组进去则返回相等的数组，传多个数组的话则返回1二维数组，以每个数组的同一键值组成的数组作为其的一个值） 4.如果传入的数组包含字符串键名时(associative)，当且仅当只传入一个数组时，返回的数组也会包含对应的字符串键名；如果传入多个数组的话，则永远是数字键名（XX数组？） 在官网有人举了个例子，用到了create_function()函数，借过来可以这样 $callback = create_function(’$uarr’,'return $uarr[\'uid\'];’); $uidarr = array_map($callback,$userarr); 注：1.create_function()生成一匿名的函数(lambda?-style)，返回函数名或者FALSE 2.一般参数用单引号以达到不解析变量的目的 当然，用array_map()来处理一些问题还是很方便的，比如搜索结果关键词高亮等等，再适当配合下create_function()就更简洁了 ]]> http://www.dreamwing.org/php/array_map_plus_create_function.html/feed 0 http://www.dreamwing.org/javascript/dips_eval_func.html http://www.dreamwing.org/javascript/dips_eval_func.html#comments Thu, 21 Aug 2008 19:17:34 +0000 Dream☆Wing http://www.dreamwing.org/?p=97 http://www.dreamwing.org/javascript/dips_eval_func.html/feed 0