API functions for installing modules and themes.
File
core/includes/install.inc
Functions
| Name | Description |
|---|---|
| db_installer_object | Returns a database installer object. |
| drupal_check_module | Checks a module's requirements. |
| drupal_check_profile | Checks an installation profile's requirements. |
| drupal_current_script_url | Returns the URL of the current script, with modified query parameters. |
| drupal_detect_database_types | Detects all supported databases that are compiled into PHP. |
| drupal_get_database_types | Returns all supported database driver installer objects. |
| drupal_install_config_directories | Creates the config directory and ensures it is operational. |
| drupal_install_fix_file | Attempts to fix file permissions. |
| drupal_install_mkdir | Creates a directory with the specified permissions. |
| drupal_install_profile_distribution_name | Loads the installation profile, extracting its defined distribution name. |
| drupal_install_profile_distribution_version | Loads the installation profile, extracting its defined version. |
| drupal_install_system | Installs the system module. |
| drupal_load_updates | Loads .install files for installed modules to initialize the update system. |
| drupal_requirements_severity | Extracts the highest severity from the requirements array. |
| drupal_requirements_url | Returns a URL for proceeding to the next page after a requirements problem. |
| drupal_rewrite_settings | Replaces values in settings.php with values in the submitted array. |
| drupal_verify_install_file | Verifies the state of the specified file. |
| drupal_verify_profile | Verifies that all dependencies are met for a given installation profile. |
| install_ensure_config_directory Deprecated | Ensures that the config directory exists and is writable, or can be made so. |
| install_goto | Sends the user to a different installer page. |
| install_profile_info | Retrieves information about an installation profile from its .info.yml file. |
| _drupal_rewrite_settings_dump | Helper for drupal_rewrite_settings(). |
| _drupal_rewrite_settings_dump_one | Helper for drupal_rewrite_settings(). |
| _drupal_rewrite_settings_global | Helper for drupal_rewrite_settings(). |
| _drupal_rewrite_settings_is_array_index | Helper for drupal_rewrite_settings(). |
| _drupal_rewrite_settings_is_simple | Helper for drupal_rewrite_settings(). |
Constants
| Name | Description |
|---|---|
| FILE_EXECUTABLE | File permission check -- File is executable. |
| FILE_EXIST | File permission check -- File exists. |
| FILE_NOT_EXECUTABLE | File permission check -- File is not executable. |
| FILE_NOT_EXIST | File permission check -- File does not exist. |
| FILE_NOT_READABLE | File permission check -- File is not readable. |
| FILE_NOT_WRITABLE | File permission check -- File is not writable. |
| FILE_READABLE | File permission check -- File is readable. |
| FILE_WRITABLE | File permission check -- File is writable. |
| REQUIREMENT_ERROR | Requirement severity -- Error condition; abort installation. |
| REQUIREMENT_INFO | Requirement severity -- Informational message only. |
| REQUIREMENT_OK | Requirement severity -- Requirement successfully met. |
| REQUIREMENT_WARNING | Requirement severity -- Warning condition; proceed but flag warning. |
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