1 | <?php |
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2 | |||
3 | use LibreNMS\Config; |
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4 | |||
5 | function process_trap($device, $entry) |
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6 | { |
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7 | $oid = trim(strstr($entry[3], ' ')); |
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8 | $oid = str_replace('::', '', strstr($oid, '::')); |
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9 | |||
10 | $file = Config::get('install_dir') . '/includes/snmptrap/' . $oid . '.inc.php'; |
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11 | if (is_file($file)) { |
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12 | include $file; |
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13 | } else { |
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14 | echo "unknown trap ($file)"; |
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15 | } |
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16 | } |
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17 |
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: