Both the $myVar assignment in line 1 and the $higher assignment in line 2
are dead. The first because $myVar is never used and the second because
$higher is always overwritten for every possible time line.
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}
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/**
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* Logs with an arbitrary level.
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*
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* @param mixed $level
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* @param string $message
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* @param array $context
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* @return null
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*/
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public function log($level, $message, array $context = array())
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.