jhh87 Posted September 12, 2014 Share Posted September 12, 2014 After a ton of trial and error and searching and searching for the answer, I have finally resorted to posting to ask for help. I am very new to php so please bear with me. I have been building an employee training database at work. Basically to make sure that for example we have the current drivers liscense on file for those employees who drive and have gone through the required company training. I initially built an access database with a frontend that does everything needed. However, the company is very decentralized and we have several users who would regularly need access to the information when they are offsite. The database does work offsite however it is extremely slow. After purchasing a buffalo linkstation, I discovered it has the capability for a mysql server. I have been able to migrate the data over to the mysql server and build a simple read only php form but cant get the changes you make to update back into the database. I found a method of fetching the data using json that is based on a drop down selection, upon change, it goes and gets the correct data. <script type="text/javascript"> function insertResults(json){ $("#Separated").val(json["Separated"]); $("#id").val(json["id"]); $("#Employee_ID").val(json["Employee_ID"]); $("#Last_Name").val(json["Last_Name"]); $("#First_Name").val(json["First_Name"]); $("#Date_Of_Birth").val(json["Date_Of_Birth"]); $("#Original_Hire_Date").val(json["Original_Hire_Date"]); $("#Current_Hire_Date").val(json["Current_Hire_Date"]); However, lets say you correct a mis-spelling in their name, I cant seem to write back to the db. I have a submit button that uses this code <a href="InputFormSubmit.php?id=<?php echo $rows['id']; ?>"><input type="submit" name="submit2" value="Submit"></a> But I guess I cant seem to #1 completely grasp how to pass on the selected information using POST (correct?) to the next form "InputFormSubmit" and #2 correctly build the query for it? Code for it below: <?php include_once('db.php'); $Employee_ID = $_POST['Employee_ID']; $Last_Name = $_POST['Last_Name']; $First_Name = $_POST['First_Name']; $id=$_POST['id']; echo "$id"; echo "$Employee_ID"; // update data in mysql database $con=mysql_connect("localhost","usernamegoeshere","passwordgoeshere","databasenamegoeshere"); // Check connection mysql_query("UPDATE tbl_Employee_Master SET Last_Name='$Last_Name', First_Name='$First_Name' WHERE id='$id'"); mysql_close($con); ?> The proper EmployeeID is passed from the previous form into this one, but the query dies I guess. What I would like to do is pass the updated info into InputFormSubmit and then run the query and redirect back to the search page. Potentially passing back the employee ID and setting the drop down to that value so you would see the employees file you just updated again. Super long post, thanks for any direction anyone can give me, Im sure my code looks awful from trying a thousand different things. Thanks again. Quote Link to comment Share on other sites More sharing options...
mac_gyver Posted September 12, 2014 Share Posted September 12, 2014 the msyql_connect() statement you posted is incorrect. the 4th parameter is NOT the database name. it's a flag the controls if a new connection is made if an existing connection with the same credentials already exists. however, you should not be using mysql_ functions as they are depreciated, should not be used for new code, and will be removed in a future version of php. you should be using either the msyqli_ or PDO database library functions. if you were using mysqli_connect(), the 4th parameter is the database name and your code would then be closer to running. does your development system you have php's error_reporting set to E_ALL and display_errors set to ON so that php would report and display all the errors it detects? you also need to test if queries work or not. for development you would display any query errors, on the live server you would log any database errors. lastly, the posted php code has no security to limit who can post data to it and no protection against sql injection. it's not even testing if a form was submitted before trying to use the $_POST form data values. all of these things are needed if this is more than just a classroom assignment for learning purposes that won't ever be on a live server. Quote Link to comment Share on other sites More sharing options...
jhh87 Posted September 12, 2014 Author Share Posted September 12, 2014 I believe my version of php does not have the mysqli, being as the php server is running on a buffalo linkstation, i cannot add in the functionality without hacking it to which i was told not to do (cant say i blame them for that). I know its an older version but its what ive got right now. in terms of the security, it will be behind a vpn so the access will be limited from that standpoint but I am still planning on adding in more but again this more a proof of concept right now so that i can move forward. not sure if this would help but this is my phpinfo PHP Logo PHP Version 5.2.10-pl0-gentoo System Linux ShareDrive 3.3.4-88f6281 #1 Tue Jul 9 14:48:53 JST 2013 armv5tel Build Date Aug 7 2009 12:32:02 Configure Command './configure' '--prefix=/usr/lib/php5' '--host=arm-softfloat-linux-gnueabi' '--mandir=/usr/lib/php5/man' '--infodir=/usr/lib/php5/info' '--sysconfdir=/etc' '--cache-file=./config.cache' '--with-pcre-regex=/usr' '--enable-maintainer-zts' '--disable-cli' '--enable-cgi' '--enable-fastcgi' '--disable-discard-path' '--disable-force-cgi-redirect' '--with-config-file-path=/etc/php/cgi-php5' '--with-config-file-scan-dir=/etc/php/cgi-php5/ext-active' '--without-pear' '--disable-bcmath' '--with-bz2' '--disable-calendar' '--with-curl' '--with-curlwrappers' '--disable-dbase' '--enable-exif' '--without-fbsql' '--without-fdftk' '--enable-ftp' '--with-gettext' '--without-gmp' '--disable-ipv6' '--without-kerberos' '--enable-mbstring' '--with-mcrypt' '--without-mhash' '--without-msql' '--without-mssql' '--without-ncurses' '--with-openssl' '--with-openssl-dir=/usr' '--disable-pcntl' '--without-pgsql' '--without-pspell' '--without-recode' '--disable-shmop' '--without-snmp' '--disable-soap' '--enable-sockets' '--without-sybase' '--without-sybase-ct' '--disable-sysvmsg' '--disable-sysvsem' '--disable-sysvshm' '--without-tidy' '--disable-wddx' '--with-xmlrpc' '--with-xsl' '--enable-zip' '--with-zlib' '--disable-debug' '--without-cdb' '--without-db4' '--disable-flatfile' '--without-gdbm' '--disable-inifile' '--without-qdbm' '--with-freetype-dir=/usr' '--with-t1lib=/usr' '--enable-gd-jis-conv' '--with-jpeg-dir=/usr' '--with-png-dir=/usr' '--without-xpm-dir' '--with-gd' '--with-mysql=/usr' '--with-mysql-sock=/var/run/mysqld/mysqld.sock' '--without-mysqli' '--without-pdo-dblib' '--with-pdo-mysql=/usr' '--without-pdo-odbc' '--without-pdo-pgsql' '--with-pdo-sqlite=/usr' '--without-readline' '--without-libedit' '--without-mm' '--with-sqlite=/usr' '--enable-sqlite-utf8' Server API CGI/FastCGI Virtual Directory Support enabled Configuration File (php.ini) Path /etc/php/cgi-php5 Loaded Configuration File /etc/php/cgi-php5/php.ini Scan this dir for additional .ini files /etc/php/cgi-php5/ext-active additional .ini files parsed /etc/php/cgi-php5/ext-active/eaccelerator.ini PHP API 20041225 PHP Extension 20060613 Zend Extension 220060519 Debug Build no Thread Safety enabled Zend Memory Manager enabled IPv6 Support disabled Registered PHP Streams https, ftps, compress.zlib, compress.bzip2, tftp, ftp, telnet, dict, http, file, php, data, zip Registered Stream Socket Transports tcp, udp, unix, udg, ssl, sslv3, sslv2, tls Registered Stream Filters zlib.*, bzip2.*, convert.iconv.*, 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Tokenizer Support enabled xml XML Support active XML Namespace Support active libxml2 Version 2.7.3 xmlreader XMLReader enabled xmlrpc core library version xmlrpc-epi v. 0.51 php extension version 0.51 author Dan Libby homepage http://xmlrpc-epi.sourceforge.net open sourced by Epinions.com xmlwriter XMLWriter enabled xsl XSL enabled libxslt Version 1.1.24 libxslt compiled against libxml Version 2.7.3 EXSLT enabled libexslt Version 1.1.24 zip Zip enabled Extension Version $Id: php_zip.c,v 1.1.2.50 2009/03/01 17:35:25 iliaa Exp $ Zip version 1.8.11 Libzip version 0.9.0 zlib ZLib Support enabled Stream Wrapper support compress.zlib:// Stream Filter support zlib.inflate, zlib.deflate Compiled Version 1.2.3 Linked Version 1.2.3 Directive Local Value Master Value zlib.output_compression Off Off zlib.output_compression_level -1 -1 zlib.output_handler no value no value Additional Modules Module Name Environment Variable Value TERM vt102 SHELL /bin/sh USER root PATH /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin PWD / HOME / SHLVL 4 BOOTVER 0.26 _ /sbin/start-stop-daemon PHP_FCGI_CHILDREN 1 PHP Variables Variable Value _REQUEST["PHPSESSID"] 0ebf917700973867986ebee74478c6c6 _COOKIE["PHPSESSID"] 0ebf917700973867986ebee74478c6c6 _SERVER["TERM"] vt102 _SERVER["SHELL"] /bin/sh _SERVER["USER"] root _SERVER["PATH"] /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin _SERVER["PWD"] / _SERVER["HOME"] / _SERVER["SHLVL"] 4 _SERVER["BOOTVER"] 0.26 _SERVER["_"] /sbin/start-stop-daemon _SERVER["PHP_FCGI_CHILDREN"] 1 _SERVER["FCGI_ROLE"] RESPONDER _SERVER["SERVER_SOFTWARE"] lighttpd/1.4.32 _SERVER["SERVER_NAME"] 192.168.68.109 _SERVER["GATEWAY_INTERFACE"] CGI/1.1 _SERVER["SERVER_PORT"] 81 _SERVER["SERVER_ADDR"] 192.168.68.109 _SERVER["REMOTE_PORT"] 51261 _SERVER["REMOTE_ADDR"] 192.168.68.104 _SERVER["SCRIPT_NAME"] /phpconfig.php _SERVER["PATH_INFO"] no value _SERVER["SCRIPT_FILENAME"] /mnt/array1/WebServer/htdocs/phpconfig.php _SERVER["DOCUMENT_ROOT"] /mnt/array1/WebServer/htdocs/ _SERVER["REQUEST_URI"] /phpconfig.php _SERVER["QUERY_STRING"] no value _SERVER["REQUEST_METHOD"] GET _SERVER["REDIRECT_STATUS"] 200 _SERVER["SERVER_PROTOCOL"] HTTP/1.1 _SERVER["HTTP_HOST"] 192.168.68.109:81 _SERVER["HTTP_CONNECTION"] keep-alive _SERVER["HTTP_ACCEPT"] text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 _SERVER["HTTP_USER_AGENT"] Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36 _SERVER["HTTP_DNT"] 1 _SERVER["HTTP_ACCEPT_ENCODING"] gzip,deflate,sdch _SERVER["HTTP_ACCEPT_LANGUAGE"] en-US,en;q=0.8 _SERVER["HTTP_COOKIE"] PHPSESSID=0ebf917700973867986ebee74478c6c6 _SERVER["PHP_SELF"] /phpconfig.php _SERVER["REQUEST_TIME"] 1410535374 _SERVER["argv"] Array ( ) _SERVER["argc"] 0 _ENV["TERM"] vt102 _ENV["SHELL"] /bin/sh _ENV["USER"] root _ENV["PATH"] /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin _ENV["PWD"] / _ENV["HOME"] / _ENV["SHLVL"] 4 _ENV["BOOTVER"] 0.26 _ENV["_"] /sbin/start-stop-daemon _ENV["PHP_FCGI_CHILDREN"] 1 _ENV["FCGI_ROLE"] RESPONDER _ENV["SERVER_SOFTWARE"] lighttpd/1.4.32 _ENV["SERVER_NAME"] 192.168.68.109 _ENV["GATEWAY_INTERFACE"] CGI/1.1 _ENV["SERVER_PORT"] 81 _ENV["SERVER_ADDR"] 192.168.68.109 _ENV["REMOTE_PORT"] 51261 _ENV["REMOTE_ADDR"] 192.168.68.104 _ENV["SCRIPT_NAME"] /phpconfig.php _ENV["PATH_INFO"] no value _ENV["SCRIPT_FILENAME"] /mnt/array1/WebServer/htdocs/phpconfig.php _ENV["DOCUMENT_ROOT"] /mnt/array1/WebServer/htdocs/ _ENV["REQUEST_URI"] /phpconfig.php _ENV["QUERY_STRING"] no value _ENV["REQUEST_METHOD"] GET _ENV["REDIRECT_STATUS"] 200 _ENV["SERVER_PROTOCOL"] HTTP/1.1 _ENV["HTTP_HOST"] 192.168.68.109:81 _ENV["HTTP_CONNECTION"] keep-alive _ENV["HTTP_ACCEPT"] text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 _ENV["HTTP_USER_AGENT"] Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36 _ENV["HTTP_DNT"] 1 _ENV["HTTP_ACCEPT_ENCODING"] gzip,deflate,sdch _ENV["HTTP_ACCEPT_LANGUAGE"] en-US,en;q=0.8 _ENV["HTTP_COOKIE"] PHPSESSID=0ebf917700973867986ebee74478c6c6 PHP License This program is free software; you can redistribute it and/or modify it under the terms of the PHP License as published by the PHP Group and included in the distribution in the file: LICENSE This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. If you did not receive a copy of the PHP license, or have any questions about PHP licensing, please contact license@php.net. Quote Link to comment Share on other sites More sharing options...
CroNiX Posted September 12, 2014 Share Posted September 12, 2014 (edited) It's most likely on your server but just not enabled. Look in your php.ini in the extensions section and look for ;extension=php_mysqli.so (or .dll if windows) remove the ; from the front of the line and restart apache. Edited September 12, 2014 by CroNiX Quote Link to comment Share on other sites More sharing options...
jazzman1 Posted September 12, 2014 Share Posted September 12, 2014 This version of php is not compiled with mysqli support, but you've got a better one - pdo. Use pdo as your default database library. 1 Quote Link to comment Share on other sites More sharing options...
gizmola Posted September 12, 2014 Share Posted September 12, 2014 This version of php is not compiled with mysqli support, but you've got a better one - pdo. Use pdo as your default database library. PDO is already there, and quite frankly most people prefer PDO anyways as the syntax is more flexible. Quote Link to comment Share on other sites More sharing options...
jhh87 Posted September 12, 2014 Author Share Posted September 12, 2014 This version of php is not compiled with mysqli support, but you've got a better one - pdo. Use pdo as your default database library. thanks! I have the ability to write back now, confirmed its working. Is it bad/frowned upon to have data fetched via ajex/json and then written back to the database via pdo? could it not be fetched via pdo in an array(i hope I am using that term correctly), if its edited then the array as a whole gets written back? this could save me a ton of time scripting and allow for future additions pretty easily I think. The only individual item would be a timestamp Quote Link to comment Share on other sites More sharing options...
jazzman1 Posted September 12, 2014 Share Posted September 12, 2014 (edited) Json as far as I know is supported in MySQL, but in the newer versions.I was using json to insert data by Javascript only once to one noSQL database - MongoDB, not too much experience with it. What MySQL version does the host provide you? Edited September 12, 2014 by jazzman1 Quote Link to comment Share on other sites More sharing options...
mac_gyver Posted September 12, 2014 Share Posted September 12, 2014 Is it bad/frowned upon to have data fetched via ajex/json and then written back to the database via pdo? could it not be fetched via pdo in an array(i hope I am using that term correctly), if its edited then the array as a whole gets written back? this could save me a ton of time scripting and allow for future additions pretty easily I think. The only individual item would be a timestamp you have to present the data in a meaningful form (no pun intended) in the client/browser, so, there needs to be some structure. however, what you have shown in this thread is a basic CRUD (Create, Read, Update, Delete) application. this can be coded general purpose, where all you do is define what database table(s) you want, what fields to include/exclude, and everything else can be handled by the code, using array variables/array functions, without writing out specific code for each field name. here's one such application that i know of - http://www.phpmyedit.org/ Quote Link to comment Share on other sites More sharing options...
jazzman1 Posted September 12, 2014 Share Posted September 12, 2014 Take a look at this presentation, in case you prefer to use json as your inserting database format. MySQL (MariaDB) should be a version 5.3 or up! Quote Link to comment Share on other sites More sharing options...
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