1 | <?php |
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2 | |||
3 | /* |
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4 | * LibreNMS |
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5 | * |
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6 | * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa> |
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7 | * |
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8 | * This program is free software: you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License as published by the |
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10 | * Free Software Foundation, either version 3 of the License, or (at your |
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11 | * option) any later version. Please see LICENSE.txt at the top level of |
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12 | * the source code distribution for details. |
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13 | */ |
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14 | |||
15 | use LibreNMS\Config; |
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16 | |||
17 | $scale_min = '0'; |
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18 | |||
19 | require 'includes/html/graphs/common.inc.php'; |
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20 | |||
21 | $rrd_filename = Rrd::name($device['hostname'], 'ping-perf'); |
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22 | |||
23 | $rrd_options .= ' DEF:ping=' . $rrd_filename . ':ping:AVERAGE'; |
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24 | $rrd_options .= " 'COMMENT:Milliseconds Cur Min Max Avg\\n'"; |
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25 | if (Config::get('applied_site_style') == 'dark') { |
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26 | $rrd_options .= ' LINE1.25:ping#63636d:Ping'; |
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27 | } else { |
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28 | $rrd_options .= ' LINE1.25:ping#36393d:Ping'; |
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29 | } |
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30 | $rrd_options .= ' GPRINT:ping:LAST:%14.2lf GPRINT:ping:AVERAGE:%6.2lf'; |
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31 | $rrd_options .= " GPRINT:ping:MAX:%6.2lf 'GPRINT:ping:AVERAGE:%6.2lf\\n'"; |
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32 | |||
33 | if ($_GET['previous'] == 'yes') { |
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34 | $rrd_options .= " COMMENT:' \\n'"; |
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35 | $rrd_options .= " DEF:pingX=$rrd_filename:ping:AVERAGE:start=$prev_from:end=$from"; |
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36 | $rrd_options .= " SHIFT:pingX:$period"; |
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37 | $rrd_options .= " LINE1.25:pingX#CCCCCC:'Prev Ping'\t\t"; |
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38 | $rrd_options .= ' GPRINT:pingX:AVERAGE:%6.2lf'; |
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39 | $rrd_options .= " GPRINT:pingX:MAX:%6.2lf 'GPRINT:pingX:AVERAGE:%6.2lf\\n'"; |
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40 | } |
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41 |
Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: