Code Duplication    Length = 8-8 lines in 2 locations

manager/includes/src/Legacy/Modifiers.php 2 locations

@@ 1542-1549 (lines=8) @@
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        return strtoupper($str);
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    }
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    public function ucfirst($str)
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    {
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        if (function_exists('mb_strtoupper')) {
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            return mb_strtoupper($this->substr($str, 0, 1)) . $this->substr($str, 1, $this->strlen($str));
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        }
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        return ucfirst($str);
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    }
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    public function lcfirst($str)
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    {
@@ 1551-1558 (lines=8) @@
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        return ucfirst($str);
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    }
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    public function lcfirst($str)
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    {
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        if (function_exists('mb_strtolower')) {
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            return mb_strtolower($this->substr($str, 0, 1)) . $this->substr($str, 1, $this->strlen($str));
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        }
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        return lcfirst($str);
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    }
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    public function ucwords($str)
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    {