variable_del
- Versions
- 4.6 – 7
variable_del($name)
Unset a persistent variable.
See also
variable_get(), variable_set()
Parameters
$name The name of the variable to undefine.
▾ 49 functions call variable_del()
- aggregator_sanitize_configuration in modules/aggregator/aggregator.module
- Check and sanitize aggregator configuration.
- aggregator_uninstall in modules/aggregator/aggregator.install
- Implement hook_uninstall().
- color_scheme_form_submit in modules/color/color.module
- Submit handler for color change form.
- comment_node_type_delete in modules/comment/comment.module
- Implement hook_node_type_delete().
- comment_uninstall in modules/comment/comment.install
- Implement hook_uninstall().
- comment_update_7000 in modules/comment/comment.install
- Remove comment settings for page ordering.
- contact_uninstall in modules/contact/contact.install
- Implement hook_uninstall().
- contact_update_7000 in modules/contact/contact.install
- Rename the threshold limit variable.
- drupal_cron_cleanup in includes/common.inc
- Shutdown function for cron cleanup.
- drupal_cron_run in includes/common.inc
- Executes a cron run when called.
- example_profile_tasks in developer/example.profile
- Perform any final installation tasks for this profile.
- field_ui_field_attach_delete_bundle in modules/field_ui/field_ui.module
- Implement hook_field_attach_delete_bundle().
- field_ui_field_attach_rename_bundle in modules/field_ui/field_ui.module
- Implement hook_field_attach_rename_bundle().
- field_ui_field_overview_form_submit in modules/field_ui/field_ui.admin.inc
- Submit handler for the field overview form.
- filter_update_7001 in modules/filter/filter.install
- Break out "escape HTML filter" option to its own filter.
- filter_update_7004 in modules/filter/filter.install
- Move filter settings storage into {filter} table.
- forum_uninstall in modules/forum/forum.install
- Implement hook_uninstall().
- hook_node_type_delete in modules/node/node.api.php
- Respond to node type deletion.
- hook_node_type_update in modules/node/node.api.php
- Respond to node type updates.
- hook_taxonomy_vocabulary_delete in modules/taxonomy/taxonomy.api.php
- Respond to the deletion of taxonomy vocabularies.
- hook_uninstall in modules/system/system.api.php
- Remove any information that the module sets.
- install_import_locales_remaining in ./install.php
- Installation task; import remaining languages via a batch process.
- install_profile_modules in ./install.php
- Installation task; install required modules via a batch process.
- install_run_task in ./install.php
- Run an individual installation task.
- locale_uninstall in modules/locale/locale.install
- Implement hook_uninstall().
- locale_update_7001 in modules/locale/locale.install
- Upgrade language negotiation settings.
- menu_rebuild in includes/menu.inc
- (Re)populate the database tables used by various menu functions.
- node_access_needs_rebuild in modules/node/node.module
- Flag / unflag the node access grants for rebuilding, or read the current value of the flag.
- node_type_delete_confirm_submit in modules/node/content_types.inc
- Process content type delete confirm submissions.
- node_type_form_submit in modules/node/content_types.inc
- Implement hook_form_submit().
- node_update_7004 in modules/node/node.install
- Extend the existing default preview and teaser settings to all node types.
- profile_uninstall in modules/profile/profile.install
- Implement hook_uninstall().
- scaffolding_example_uninstall in developer/examples/scaffolding_example/scaffolding_example.install
- Implementation of hook_uninstall().
- search_uninstall in modules/search/search.install
- Implement hook_uninstall().
- simpletest_uninstall in modules/simpletest/simpletest.install
- Implement hook_uninstall().
- statistics_uninstall in modules/statistics/statistics.install
- Implement hook_uninstall().
- system_image_toolkit_settings in modules/system/system.admin.inc
- Form builder; Configure site image toolkit usage.
- system_run_cron_image in modules/system/system.module
- Menu callback; executes cron via an image callback.
- system_themes_form_submit in modules/system/system.admin.inc
- Process system_themes_form form submissions.
- system_update_7004 in modules/system/system.install
- Remove hardcoded numeric deltas from all blocks in core.
- system_update_7005 in modules/system/system.install
- Remove throttle columns and variables.
- system_update_7021 in modules/system/system.install
- Add new blocks to new regions, migrate custom variables to blocks.
- system_update_7034 in modules/system/system.install
- Migrate the file_downloads setting and create the new {file} table.
- system_update_7036 in modules/system/system.install
- Split the 'access site in maintenance mode' permission from 'administer site configuration'.
- taxonomy_uninstall in modules/taxonomy/taxonomy.install
- Implement hook_uninstall().
- tracker_uninstall in modules/tracker/tracker.install
- Implement hook_uninstall().
- update_settings_submit in modules/update/update.settings.inc
- Submit handler for the settings tab.
- update_uninstall in modules/update/update.install
- Implement hook_uninstall().
- user_update_7003 in modules/user/user.install
- Update user settings for cancelling user accounts.
Code
includes/bootstrap.inc, line 765
<?php
function variable_del($name) {
global $conf;
db_delete('variable')
->condition('name', $name)
->execute();
cache_clear_all('variables', 'cache_bootstrap');
unset($conf[$name]);
}
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