refactor: optimize prepQuotedPrintable() with hash lookup and int-length tracking#10344
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gr8man wants to merge 2 commits into
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refactor: optimize prepQuotedPrintable() with hash lookup and int-length tracking#10344gr8man wants to merge 2 commits into
gr8man wants to merge 2 commits into
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… tracking, and sprintf encoding
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paulbalandan
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Jun 29, 2026
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Description
Optimize
prepQuotedPrintable()insystem/Email/Email.phpby replacing three expensive patterns in the hot loop:in_array($ascii, $asciiSafeChars)→isset($asciiSafeChars[$ascii])usingarray_fill_keys()static::strlen($temp) + static::strlen($char)→ integer$tempLenvariable, incremented/decremented$escape . strtoupper(sprintf('%02s', dechex($ascii)))+static::strlen($char)→sprintf('=%02X', $ascii)with preset$charLen = 3Added unit tests covering safe chars, unsafe chars, trailing space/tab,
=3D, soft line breaks at 76 chars,{unwrap}removal, null-byte stripping, both CRLF paths, and mixed content.