Un-commenting extensions in php.ini

;extension=php_curl.dll

Now I know removing the semi-colon from front will comment this but i can see in my php.ini file that some of them has a one line space between ,
Like
; extension=php_curl.dll

Will that un-comment that extension too?

The semi-colon signals “that’s it, go to the next line” so it doesn’t matter what’s after it, spaces or any character.

Seems it should be consistant, but it doesn’t matter much except maybe in terms of readability.

okay boss more specific question,

These are the errors I can see what extensions to un comment to enable these?

[16-Sep-2013 23:46:45 America/New_York] PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_pgsql.so' - /usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_pgsql.so: cannot open shared object file: No such file or directory in Unknown on line 0
[16-Sep-2013 23:46:45 America/New_York] PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_odbc.so' - /usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_odbc.so: cannot open shared object file: No such file or directory in Unknown on line 0
[16-Sep-2013 23:46:45 America/New_York] PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_dblib.so' - /usr/local/lib/php/extensions/no-debug-non-zts-20100525/pdo_dblib.so: cannot open shared object file: No such file or directory in Unknown on line 0

A few things to check.

Make sure the path to the extension directory is correct. Your set-up is probably different, but my localhost is

; Directory in which the loadable extensions (modules) reside.
; http://php.net/extension-dir
; extension_dir = "./"
; On windows:
; extension_dir = "ext"
extension_dir = "C:\\PHP\\ext"

Then make sure the pdo_ .so files shown in the error messages are actually there

Then look for them in the extension list section and make sure they’re not commented out
If they aren’t in the list, make a comment line something like
; the below lines manually added yyyy-mm-dd
and add them