Filters a specific transient before its value is set.
transient_{$transient}
Filters an existing transient’s value.
pre_transient_{$transient}
Filters the value of an existing transient.
deleted_transient
Fires after a transient is deleted.
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delete_transient_{$transient}
Fires immediately before a specific transient is deleted.
deleted_option
Fires after an option has been deleted.
delete_option_{$option}
Fires after a specific option has been deleted.
delete_option
Fires immediately before an option is deleted.
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added_option
Fires after an option has been added.
add_option_{$option}
Fires after a specific option has been added.
add_option
Fires before an option is added.
updated_option
Fires after the value of an option has been successfully updated.
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update_option_{$option}
Fires after the value of a specific option has been successfully updated.
update_option
Fires immediately before an option value is updated.
pre_update_option
Filters an option before its value is (maybe) serialized and updated.