PHP Manual
Function Reference
Other Basic Extensions
Swoole
Swoole Functions
swoole_async_dns_lookup
swoole_async_read
swoole_async_readfile
swoole_async_set
swoole_async_write
swoole_async_writefile
swoole_clear_error
swoole_client_select
swoole_cpu_num
swoole_errno
swoole_error_log
swoole_event_add
swoole_event_defer
swoole_event_del
swoole_event_exit
swoole_event_set
swoole_event_wait
swoole_event_write
swoole_get_local_ip
swoole_last_error
swoole_load_module
swoole_select
swoole_set_process_name
swoole_strerror
swoole_timer_after
swoole_timer_exists
swoole_timer_tick
swoole_version
swoole_timer_after
swoole_timer_tick
Swoole Functions
PHP Manual
swoole_timer_exists
Check if a timer callback function is existed
Description
bool
swoole_timer_exists
(
int
$timer_id
)
Parameters
timer_id
Return Values