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[Serializer] improved CsvEncoder::decode performance by caching duplicate count calls

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This commit is contained in:
Roman Orlov 2017-12-05 17:56:53 +10:00
parent 5b8cf03dcb
commit 3b910a9fad
1 changed files with 5 additions and 2 deletions
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7
src/Symfony/Component/Serializer/Encoder/CsvEncoder.php
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@ -115,6 +115,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
$headers = null;
$nbHeaders = 0;
$headerCount = array();
$result = array();
list($delimiter, $enclosure, $escapeChar, $keySeparator) = $this->getCsvOptions($context);
@ -126,7 +127,9 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
$nbHeaders = $nbCols;
foreach ($cols as $col) {
$headers[] = explode($keySeparator, $col);
$header = explode($keySeparator, $col);
$headers[] = $header;
$headerCount[] = count($header);
}
continue;
@ -134,7 +137,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
$item = array();
for ($i = 0; ($i < $nbCols) && ($i < $nbHeaders); ++$i) {
$depth = count($headers[$i]);
$depth = $headerCount[$i];
$arr = &$item;
for ($j = 0; $j < $depth; ++$j) {
// Handle nested arrays