php_library/general/timeraw.inc

<?php
//********************************************************************************
//Copyright (C) 2006 David T. Ashley
//********************************************************************************
//This program or source file is free software; you can redistribute it and/or 
//modify it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or (at your 
//option) any later version.
//
//This program or source file is distributed in the hope that it will 
//be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You may have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//********************************************************************************
//Dave Ashley, 01/06
//
//This source file provides raw time related code.  This file is a wrapper
//around the built-in PHP functions to provide more flexibility as we get
//near the Unix epoch.
//
//Returns the time as 18 hexadecimal digits (using upper-case letters).  The
//first 10 characters are the integer time, and the remaining 8 are
//the fractional time in nanoseconds.
//
function TIMERAW_time_precision_hex()
   {
   //Get the microseconds and seconds.
   list($usec, $sec) = explode(" ", microtime());

   //Convert the microseconds to an integer giving the
   //integer number of microseconds.  The original value is in fractional
   //seconds (a float).
   $usec = $usec * 1000000.0;
   $usec = (int) $usec;

   //Convert microseconds to nanoseconds.
   $nsec = $usec * 1000;

   //Obtain a string of length 10 hex characters representing the integer
   //time.  The first 2 characters are always "00" at the present time (until
   //Unix systems hit more than 32 bits for integers).
   $sec_string = "00" . sprintf("%08X", $sec);

   //Obtain a string of length 8 hex characters representing the fractional
   //time.
   $nsec_string = sprintf("%08X", $nsec);

   //The returned value is the concatenation.
   return($sec_string . $nsec_string);
   }

//Return the size (in chars) of a precision timestamp expressed in hex.
//
function TIMERAW_time_precision_hex_size()
   {
   return(18);
   }
?>
1	<?php
2	//********************************************************************************
3	//Copyright (C) 2006 David T. Ashley
4	//********************************************************************************
5	//This program or source file is free software; you can redistribute it and/or
6	//modify it under the terms of the GNU General Public License as published by
7	//the Free Software Foundation; either version 2 of the License, or (at your
8	//option) any later version.
9	//
10	//This program or source file is distributed in the hope that it will
11	//be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12	//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	//GNU General Public License for more details.
14	//
15	//You may have received a copy of the GNU General Public License
16	//along with this program; if not, write to the Free Software
17	//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18	//********************************************************************************
19	//Dave Ashley, 01/06
20	//
21	//This source file provides raw time related code. This file is a wrapper
22	//around the built-in PHP functions to provide more flexibility as we get
23	//near the Unix epoch.
24	//
25	//Returns the time as 18 hexadecimal digits (using upper-case letters). The
26	//first 10 characters are the integer time, and the remaining 8 are
27	//the fractional time in nanoseconds.
28	//
29	function TIMERAW_time_precision_hex()
30	{
31	//Get the microseconds and seconds.
32	list($usec, $sec) = explode(" ", microtime());
33
34	//Convert the microseconds to an integer giving the
35	//integer number of microseconds. The original value is in fractional
36	//seconds (a float).
37	$usec = $usec * 1000000.0;
38	$usec = (int) $usec;
39
40	//Convert microseconds to nanoseconds.
41	$nsec = $usec * 1000;
42
43	//Obtain a string of length 10 hex characters representing the integer
44	//time. The first 2 characters are always "00" at the present time (until
45	//Unix systems hit more than 32 bits for integers).
46	$sec_string = "00" . sprintf("%08X", $sec);
47
48	//Obtain a string of length 8 hex characters representing the fractional
49	//time.
50	$nsec_string = sprintf("%08X", $nsec);
51
52	//The returned value is the concatenation.
53	return($sec_string . $nsec_string);
54	}
55
56	//Return the size (in chars) of a precision timestamp expressed in hex.
57	//
58	function TIMERAW_time_precision_hex_size()
59	{
60	return(18);
61	}
62	?>