Code Duplication    Length = 3-6 lines in 2 locations

src/Archangel.php 2 locations

@@ 338-340 (lines=3) @@
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    {
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        $message = array();
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        if (!empty($this->plainMessage) || !empty($this->htmlMessage)) {
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            array_push($message, "--{$this->boundaryMixed}");
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        }
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        if (!empty($this->plainMessage) && !empty($this->htmlMessage)) {
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            array_push($message, "Content-Type: multipart/alternative; boundary={$this->boundaryAlternative}");
@@ 422-427 (lines=6) @@
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                $headers,
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                "Content-Type: multipart/mixed; boundary=\"{$this->boundaryMixed}\""
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            );
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        } elseif (!empty($this->plainMessage) && !empty($this->htmlMessage)) {
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            array_push(
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                $headers,
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                "Content-Type: multipart/alternative; boundary=\"{$this->boundaryAlternative}\""
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            );
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        } elseif (!empty($this->htmlMessage)) {
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            array_push(
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                $headers,
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                'Content-type: text/html; charset="iso-8859-1"'