File: wp-admin/includes/upgrade.php
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Filters the contents of the email sent to the site administrator when WordPress is installed.
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Determine if global tables should be upgraded.
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Filters if upgrade routines should be run on global tables.
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functionmaybe_convert_table_to_utf8mb4()
If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.
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Maybe enable pretty permalinks on installation.
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functionmake_site_theme()
Creates a site theme.
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functiontranslate_level_to_role()
Translate user level to user role name.
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functionwp_check_mysql_version()
Checks the version of the installed MySQL binary.
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Disables the Automattic widgets plugin, which was merged into core.
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functionmaybe_disable_link_manager()
Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
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functionpre_schema_upgrade()
Runs before the schema is upgraded.
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Filters the dbDelta SQL queries for creating tables and/or databases.
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Filters the dbDelta SQL queries for inserting or updating.
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functionmake_db_current()
Updates the database tables to a new schema.
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functionmake_db_current_silent()
Updates the database tables to a new schema, but without displaying results.
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functionmake_site_theme_from_oldschool()
Creates a site theme from an existing theme.
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functionmake_site_theme_from_default()
Creates a site theme from the default theme.
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functionupgrade_network()
Executes network-level upgrade routines.
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functiondrop_index()
Drops a specified index from a table.
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functionadd_clean_index()
Adds an index to a specified table.
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functionget_alloptions_110()
Retrieve all options as it was for 1.2.
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functiondeslash()
Filters for content to remove unnecessary slashes.
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functiondbDelta()
Modifies the database based on specified SQL statements.
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hookdbdelta_queries
Filters the dbDelta SQL queries.
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functionwp_upgrade()
Runs WordPress Upgrade functions.
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hookwp_upgrade
Fires after a site is fully upgraded.
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functionwp_new_blog_notification()
Notifies the site admin that the installation of WordPress is complete.
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functionwp_install()
Installs the site.
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hookwp_install
Fires after a site is fully installed.
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functionwp_install_defaults()
Creates the initial content for a newly-installed site.
