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php-config

php-config is a simple shell script for obtaining information about the installed PHP configuration.

When compiling extensions, if you have multiple PHP versions installed, you may specify for which installation you'd like to build by using the --with-php-config option during configuration, specifying the path of the respective php-config script.

The list of command line options provided by the php-config script can be queried anytime by running php-config with the -h switch:

Usage: /usr/local/bin/php-config [OPTION]
Options:
  --prefix            [...]
  --includes          [...]
  --ldflags           [...]
  --libs              [...]
  --extension-dir     [...]
  --include-dir       [...]
  --php-binary        [...]
  --php-sapis         [...]
  --configure-options [...]
  --version           [...]
  --vernum            [...]

**Command line options**
Option	Description
--prefix	Directory prefix where PHP is installed, e.g. /usr/local
--includes	List of -I options with all include files
--ldflags	LD Flags which PHP was compiled with
--libs	Extra libraries which PHP was compiled with
--extension-dir	Directory where extensions are searched by default
--include-dir	Directory prefix where header files are installed by default
--php-binary	Full path to php CLI or CGI binary
--php-sapis	Show all SAPI modules available
--configure-options	Configure options to recreate configuration of current PHP installation
--version	PHP version
--vernum	PHP version as integer