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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 |
|---|---|
| 1079 | * |
| 1080 | * @type array ...$0 { |
| 1081 | * Cron schedule information. |
| 1082 | * |
| 1083 | * @type int $interval The schedule interval in seconds. |
| 1084 | * @type string $display The schedule display name. |
| 1085 | * } |
| 1086 | * } |
| 1087 | */ |
| 1088 | return array_merge( apply_filters( 'cron_schedules', array() ), $schedules ); |
| 1089 | } |
| 1090 | |
| 1091 | /** |
| 1092 | * Retrieves the name of the recurrence schedule for an event. |
| 1093 | * |
| 1094 | * @see wp_get_schedules() for available schedules. |
| 1095 | * |
| 1096 | * @since 2.1.0 |
| 1097 | * @since 5.1.0 {@see 'get_schedule'} filter added. |