PHP log implementation code

Copy code The code is as follows:
＄ss_log_level = 0;

　＄ss_log_filename = /tmp/ss-log;

　＄ss_log_levels = array(
　 NONE => 0,
　 ERROR => 1,
　 INFO => 2,
　 DEBUG => 3
);

//Set log level
　 function ss_log_set_level (＄level = ERROR) {
　 global ＄ss_log_level;
　 ＄ss_log_level = ＄level;
　　}

//Record log

function ss_log (＄level, ＄message) { 　　 global ＄ss_log_level, ＄ss-log-filename;

　 if (＄ss_log_levels[＄ss_log_level] < ＄ss_log_levels[＄level]) {
　　 // Do not display Log information
　Return
false;

　

//Call example
Copy the code The code is as follows:
ss_log_set_level(INFO);

ss_log(ERROR, "testing level ERROR");
ss_log(INFO, "testing level INFO");
ss_log(DEBUG, "testing level DEBUG");

ss_log_reset();