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timer_api.php
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/
timer_api.php
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<?php
# Mantis - a php based bugtracking system
# Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
# Copyright (C) 2002 - 2003 Mantis Team - mantisbt-dev@lists.sourceforge.net
# This program is distributed under the terms and conditions of the GPL
# See the README and LICENSE files for details
# --------------------------------------------------------
# $Id: timer_api.php,v 1.4 2003-01-19 01:35:29 jfitzell Exp $
# --------------------------------------------------------
###########################################################################
# Timer API
###########################################################################
# --------------------
# --- BC Timer -------
# --------------------
# Charles Killian, modified by Kenzaburo Ito
# USAGE: set $g_debug_timer to ON and just call mark_time( 'token name' );
# where 'token name' is descriptive of what is happening at that point
# Normally you would mark_time() before and after a critical section of
# code that you are timing. Remember to test more than once since various
# factors can affect actual runtime.
# --------------------
# You should use this function instead of the class function
function mark_time( $p_marker_name ) {
global $g_timer;
$g_timer->mark_time( $p_marker_name );
}
# --------------------
class BC_Timer {
var $atime; # this is an array of ( string token => time ) array elements.
# ---
function BC_Timer() {
$this->atime = array();
$this->atime[] = array( "START", $this->get_microtime() );
}
# ---
# get_microtime function taken from Everett Michaud on Zend.com
function get_microtime(){
$tmp = split( ' ', microtime() );
$rt = $tmp[0] + $tmp[1];
return $rt;
}
# ---
# create the time entry
function mark_time( $p_marker_name ) {
$this->atime[] = array( $p_marker_name, $this->get_microtime() );
}
# ---
# print out the timings. If not in debug then just print out the total time.
function print_times() {
global $g_debug_timer;
# store end time
$this->atime[] = array( "END", $this->get_microtime() );
# calculate end time
$end = count( $this->atime )-1;
$total_time = $this->atime[$end][1]-$this->atime[0][1];
# if debug then display debug timings
if ( ON == $g_debug_timer ) {
for ($i=0;$i+1<count($this->atime);$i++) {
$time = $this->atime[$i+1][1]-$this->atime[$i][1];
$time_precent = $time / $total_time * 100;
PRINT '<span class="italic">Time: '.number_format( $time, 6 ).' seconds ( '.number_format( $time_precent, 2 ).'% ) for '.$this->atime[$i][0].' -to- '.$this->atime[$i+1][0].'</span><br />';
}
}
# display total time
PRINT '<span class="italic">Time: '.number_format( $total_time, 6 ).' seconds.</span><br />';
}
}
# --------------------
?>