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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2011 | if ( ! empty( $this->update_results ) ) { |
| 2012 | $development_version = false !== strpos( $wp_version, '-' ); |
| 2013 | /** |
| 2014 | * Filter whether to send a debugging email for each automatic background update. |
| 2015 | * |
| 2016 | * @since 3.7.0 |
| 2017 | * @param bool $development_version By default, emails are sent if the install is a development version. |
| 2018 | * Return false to avoid the email. |
| 2019 | */ |
| 2020 | if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) |
| 2021 | $this->send_debug_email(); |
| 2022 | |
| 2023 | if ( ! empty( $this->update_results['core'] ) ) |
| 2024 | $this->after_core_update( $this->update_results['core'][0] ); |
| 2025 | } |
| 2026 | |
| 2027 | // Clear the lock |
| 2028 | delete_option( $lock_name ); |
| 2029 | } |