find_program(PHP_CONFIG_EXECUTABLE php-config)

if(PHP_CONFIG_EXECUTABLE)
  execute_process(COMMAND ${PHP_CONFIG_EXECUTABLE} --version
    OUTPUT_VARIABLE PHP_VERSION
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )

  execute_process(COMMAND ${PHP_CONFIG_EXECUTABLE} --includes
    OUTPUT_VARIABLE PHP_INCLUDE_DIRS
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
  string(REPLACE "-I" "" PHP_INCLUDE_DIRS ${PHP_INCLUDE_DIRS})
  separate_arguments(PHP_INCLUDE_DIRS)

  execute_process(COMMAND ${PHP_CONFIG_EXECUTABLE} --extension-dir
    OUTPUT_VARIABLE PHP_EXTENSION_DIR
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PHP
  FOUND_VAR PHP_FOUND
  REQUIRED_VARS
    PHP_CONFIG_EXECUTABLE
    PHP_INCLUDE_DIRS
  VERSION_VAR PHP_VERSION
)

if(PHP_FOUND AND NOT TARGET PHP::Extension)
  add_library(PHP::Extension INTERFACE IMPORTED)
  set_target_properties(PHP::Extension PROPERTIES
    INTERFACE_INCLUDE_DIRECTORIES "${PHP_INCLUDE_DIRS}"
  )
endif()