Description:
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Adding "extension=php_interbase.dll" to the end of php.ini causes Apache 2.2 to fail to start ANY services. Without "extension=php_interbase.dll", ibase_connect fails as an undefined function, so Interbase is not enabled as a service by default even though php.ini contains the basic defaults such as "ibase.allow_persistent = 1".

This system is also running PHPEd, with its associated PHP which works fine. When bypassing Apache and confining the pages to PHPEd, everything works.  The "extension=php_interbase.dll" is in the PHPEd php.ini.  The InterBase server is running on this system, and PHPEd has no trouble finding it without any explicit directions.

Either there is another way to enable InterBase on 5.35, or something is wrong. 

Test script:
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$DBUser='MAINUSER';
$DBPass='MAINPASS'; 
$DB=ibase_connect('127.0.0.1:C:/SDB/George.gdb', $DBUser, $DBPass);

Expected result:
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ibase_connect should be recognized as a valid function.

Actual result:
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ibase_connect is declared an undefined function.