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php - CI框架 Cannot modify header information - headers already sent by

A PHP Error was encountered Severity: Warning Message: Cannot modify header information - headers alreadysent by (output started at /var/www/fbz/application/models/Content.php:268) Filename: helpe...

黃舟 2017-04-10 16:13:27 0  1  373

php - mysql order by + limit 性能問題如何解決？

PHP是業(yè)余看看。。沒用過mysql語句 今天硬啃了一天了 發(fā)現(xiàn)加上 ORDER BY 就沒走索引。。百度了一天 還是沒搞懂原理 和解決方案 求大神科普。。。order by + limit 分頁 越往后性能越低 {代碼....

大家講道理 2017-04-10 18:00:35 0  5  419

用php-osx by Liip升級了PHP，終端執(zhí)行PHP仍舊是原來老版本，請問如何解決？

用(php-osx by Liip)升級了PHP到5.4.10 curl -s http://php-osx.liip.ch/install.sh | bash -s 5.4修改/etc/apache2/httpd.conf LoadModule php5_module /usr/local/php5/libphp5.so打開...

ringa_lee 2017-04-10 14:23:32 0  2  682

mysql - 安裝bug管理系統(tǒng)mantis的時候，總是報database is not supported by PHP.為什么呢。

1.公司需要安裝一套bug管理系統(tǒng)，我選擇了mantis2.但是安裝時，我放到來年lnmp的環(huán)境下進(jìn)行掛載3.總是報錯誤，database is not supported by PHP.

ringa_lee 2017-04-11 10:18:47 0  1  662

php-fig - PHP 中 side-effects 是什么?

PHP-FIG 中 PSR-1 有這樣一段描述 Files SHOULD either declare symbols (classes, functions, constants, etc.) or

大家講道理 2017-04-10 14:27:32 0  2  661

PHP數(shù)組作為查詢數(shù)據(jù)庫的問題！！

php$dopage->GetPage("SELECT * FROM `#@__unameym` WHERE uname='$c_uname' ORDER BY id DESCphp $row3=[]; while($row

奧立奧 2018-07-07 14:06:46 0  7  1098

foreach 取值一直是空的

php $sql = "SELECT? Ywyuan,count(Ddhao) as amount from main? where format(Djshjian,'m')='$months'? ? group by Ywyuan ";? ? ? &

思展軟件 2018-07-25 21:33:11 0  3  1431

php - 一條mysql語句

mysql php中SELECT * FROM user ORDER BY time WHERE time >= 1111-11-11 10:10:10會報錯，而SELECT * FROMuser ORDER BY time和SELECT * FROM user WHERE time >= 1111-11-11 10:10:10都正常，這是為什么...

高洛峰 2017-04-10 15:22:44 0  2  195

php - group by后排序問題

2.現(xiàn)在我想獲取到每篇文章最新的評論 這個子查詢是可以的 ，但是要求是不用子查詢，如何實(shí)現(xiàn)呢SELECT FROM (SELECT FROM old_chapter_check_list ORDER BYid DESC) AS t GROUP BY ...

大家講道理 2017-05-16 13:03:59 0  5  727

php - mysql group by 分組問題。

如圖，想按number字段中的數(shù)據(jù)以逗號分割后來進(jìn)行分組？比如內(nèi)容 為12,的圖中可能只有3個，為123的有1個。在線求大神（暫不考慮拆表和其它存儲方式來進(jìn)行分組）

迷茫 2017-04-11 10:32:18 0  3  233

MYSQL代碼執(zhí)行錯誤：FUNCTION any_value does not exist

any_value does not exist執(zhí)行代碼如下：select max(age) as max_age,class_name,any_value(name) from student1 group byclass_name order by max_age desc;mysql 版本5.5.53，是PHP工具箱默認(rèn)自帶的版本。

iUnicorn 2019-03-03 09:25:52 0  4  5248

Undefined index: 已使用enctype="multipart/form-data"；空傳沒問題

upload.php line 5 - Undefined index: mNotice: /a/upload.php line 18 - Undefined index: mDebug Strict (PHP5): /a/upload.php line 18 - Only variables should be passed by referenceupload.html

高洛峰 2016-11-07 10:36:19 0  1  715

求問：其它輸出都正常，就是錯誤輸出是亂碼！

php/** * Created by runner.han * There is nothing new under the sun */header('Content-type

lsl 2020-05-12 00:55:49 0  8  1075

php - Undefined index: 已使用enctype="multipart/form-data"；空傳沒問題

upload.php line 5 - Undefined index: mNotice: /a/upload.php line 18 - Undefined index: mDebug Strict (PHP5): /a/upload.php line 18 - Only variables should be passed by reference upload....

阿神 2017-04-10 17:39:01 0  1  316

為什么我name輸不出來，求指教？

php date_default_timezone_get('PRC'); /**  * Created by PhpStorm.

我又來了 2017-03-13 17:37:58 0  2  899

急求tp5 ajax請求 數(shù)據(jù)一直添加不進(jìn)數(shù)據(jù)庫

php/** * Created by PhpStorm. * User: Administrator * Date: 2018-4-3 * Time: 15:23 */namespace app\index

phpcn_u102592 2018-04-08 20:17:33 0  1  2533

php 提示Only variables should be assigned by reference？

Strict Standards: Only variables should be assigned by reference 函數(shù)的返回值似乎不能引用

大家講道理 2017-04-11 09:18:43 0  5  706

為什么我用hhvm執(zhí)行以下代碼會出現(xiàn)錯誤，而php5.5卻沒有這些錯誤

php/** * Created by PhpStorm.

phpcn_u528 2017-01-18 22:19:54 0  2  1352

php - Invalid command 'RewriteCompatibility2' ?

用的是phpStudy，php 5.2，apache 2.4。出錯信息： Invalid command 'RewriteCompatibility2', perhaps misspelled or defined by a module not included

天蓬老師 2017-04-10 14:59:38 0  1  364

conn.php和functions.php兩個文件的代碼在哪里？

php require_once('conn.php'); //連接數(shù)據(jù)庫 require_once('functions.php'); $sql = "SELECT * FROM news order by id desc"; $info = mysql_query($sql); ?

為愛走天涯 2018-04-12 17:39:53 0  2  1684