When my web host recently upgraded PHP to the latest version, i.e. PHP 4.3.1, one of my scripts started to fail, warning :

gzwrite(): supplied argument is not a valid stream resource in....

After numerous tests, I figured out a few things:

1. the problem is gzopen() and not gzwrite().
2. $gp = gzopen( '/folder/logs.gz', 'wb' ); or $gp = gzopen( '/folder/logs.gz', 'rb' ); works fine but not $gp = gzopen( '/folder/logs.gz', 'ab' );

This is a bug... http://bugs.php.net/bug.php?id=21304

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J de Silva
Learning Journal | GIDForums™ | GIDNetwork™ | GIDWebhosts™ | GIDSearch™

Did you find a way round it?

Unfortunately no and I am too busy to think up a solution so I re-coded the script to use regular fopen() till the next version is available.

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J de Silva
Learning Journal | GIDForums™ | GIDNetwork™ | GIDWebhosts™ | GIDSearch™