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
$higher is always overwritten for every possible time line.
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82
83
if (isset($this->configuration[$key]) || $this->loadConfigFile($key)) {
84
$value = $this->configuration[$key];
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} else {
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throw new ConfigException($key . ' configuration file is missing.');
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
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.