Older Releases

蛁 These options are only used in PHP 4 as of PHP 4.1.0. Some are available in older versions of PHP 4, some even in PHP 3, some only in PHP 4.1.0. If you want to compile an older version, some options will probably not be available.

Any version of PHP 4 after March 9, 2000 does not support versions of PDFlib older than 3.0.

Only supported in GD versions older than gd 1.6. Read only GIF support is available with PHP 4.3.0 and the bundled GD library.

蛁 The example source makes use of some features introduced with the Zend version used in PHP 4.1.0 and above, it won't compile with older PHP 4.0.x versions.

Beginning with PHP 4.2.0 these functions are enabled by default. For older versions you have to configure and compile PHP with enable ctype. You can disable ctype support with disable ctype.

The format of images you are able to manipulate depend on the version of GD you install, and any other libraries GD might need to access those image formats. Versions of GD older than gd 1.6 support GIF format images, and do not support PNG, where versions greater than gd 1.6 support PNG, not GIF.

Beginning with PHP 4.2.0 these functions are enabled by default. You can disable the pcre functions with without pcre regex. Use with pcre regex DIR to specify DIR where PCRE's include and library files are located, if not using bundled library. For older versions you have to configure and compile PHP with with pcre regex DIR in order to use these functions.

Older releases of OpenBSD used the FLAVORS system to compile up a statically linked PHP. Since it is hard to generate binary packages using this method, it is now deprecated. You can still use the old stable ports trees if you wish, but they are unsupported by the OpenBSD team. If you have any comments about this, the current maintainer for the port is Anil Madhavapeddy.