Connecting to MySQL 5 from PHP on Mac OSX Leopard

For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.

What is the difference between "localhost" and "127.0.0.1"? Everything, it seems, when you're trying to connect MySQL (and I have version 5.0.37 Community at the moment) running on Mac OSX - the latest Leopard release - with their PHP release including the MySQL drivers. It's PHP release 5.2.4.

In a nutshell:
mysql_connect("localhost","wellho","nottherealpassword");
FAILS with an error message:
Warning: mysql_connect() [function.mysql-connect]: Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (2) in /Library/WebServer/live_html/test/test.php on line 2

but:
mysql_connect("127.0.0.1","wellho","nottherealpassword");
works just fine.

Another gem ... to add to the loss of classic mode (serious issue for us FrameMaker users!) and the movement of configuration files. I have to admit this hasn't been the easiest of upgrades, and I wait to see whether I have more issues to find.

If you want to learn all about Apache httpd installation / configuration - and the PHP and MySQL elements too - see our LAMP deployment course. I'm the tutor and the "L" for Linux is close enough to the "M" for Mac OSX for it to be pretty damned close and very effective training. And I can and will show you how it works on my Mac too ;-)
(written 2007-12-03)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles

S159 - MySQL 5 and PHP 5
  [104] mysql_connect or mysql_pconnect in PHP? - (2004-10-30)
  [494] MySQL - a score of things to remember - (2005-11-12)
  [515] MySQL - an FAQ - (2005-12-03)
  [1131] MySQL - Password security (authentication protocol) - (2007-04-02)
  [1417] What software version do we teach? - (2007-10-31)
  [1754] Upgrade from PHP 4 to PHP 5 - the TRY issue - (2008-08-15)
  [1766] Diagrams to show you how - Tomcat, Java, PHP - (2008-08-22)
  [2172] PHP4 v PHP5 - Object Model Difference - (2009-05-11)
  [3455] MySQL, MySQLi, PDO or something else - how best to talk to databases from PHP - (2011-09-24)

A602 - Web Application Deployment - Apache httpd - Sourcing, Installation, Testing
  [523] Apache httpd release 2.2 - (2005-12-10)
  [526] Apache httpd - serving web documents from different directories - (2005-12-12)
  [550] 2006 - Making business a pleasure - (2006-01-01)
  [660] Stopping and restarting Apache httpd cleanly - (2006-03-29)
  [907] Browser -> httpd -> Tomcat -> MySQL. Restarting. - (2006-10-28)
  [982] Notes from the white board - (2006-12-14)
  [1095] Apache httpd , browser, MySQL and MySQL client downloads - (2007-02-28)
  [1292] DHCP automatic IP address v Static IP - (2007-08-06)
  [1449] Upgrade Mac OSX to Leopard, Web Server Apache httpd config lost - (2007-11-29)
  [1707] Configuring Apache httpd - (2008-07-12)
  [1731] Apache httpd, MySQL, PHP - installation procedure - (2008-08-01)
  [1768] What is built in to this httpd and PHP? - (2008-08-23)
  [1945] Summary - Apache httpd build on Linux - (2008-12-14)
  [2080] Using ApacheBench and jconsole to test and monitor Tomcat - (2009-03-14)
  [2096] Where is my new Apache httpd installed - (2009-03-22)
  [2184] Choosing the right version of Java and Tomcat - (2009-05-16)
  [2520] Global and Enable - two misused words! - (2009-11-30)
  [3426] Automed web site testing scripted in Ruby using watir-webdriver - (2011-09-09)
  [4437] Adding a PHP build option, rotating an image based on camera data, and a new look at thumbnails in PHP - (2015-02-22)

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Connecting to MySQL 5 from PHP on Mac OSX Leopard
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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