private function CSSCompression_Organize::reduceDetails in Advanced CSS/JS Aggregation 7

Same name and namespace in other branches

1. 6 advagg_css_compress/css-compressor-3.x/src/lib/Organize.inc \CSSCompression_Organize::reduceDetails()

Combines multiply defined rule sets by merging the selectors in comma seperated format

Parameters

(array) selectors: Array of selectors broken down by setup:

(array) details: Array of rule sets broken down by setup:

1 call to CSSCompression_Organize::reduceDetails()

CSSCompression_Organize::organize in advagg_css_compress/css-compressor-3.x/src/lib/Organize.inc

Look to see if we can combine selectors to reduce the number of definitions.

File

advagg_css_compress/css-compressor-3.x/src/lib/Organize.inc, line 104

Class

CSSCompression_Organize

CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com

Code

private function reduceDetails($selectors, $details) {
  $keys = array_keys($selectors);
  $max = array_pop($keys) + 1;
  for ($i = 0; $i < $max; $i++) {
    if (!isset($selectors[$i])) {
      continue;
    }
    $arr = preg_split($this->rsemicolon, isset($details[$i]) ? $details[$i] : '');
    for ($k = $i + 1; $k < $max; $k++) {
      if (!isset($selectors[$k])) {
        continue;
      }
      $match = preg_split($this->rsemicolon, isset($details[$k]) ? $details[$k] : '');
      $x = array_diff($arr, $match);
      $y = array_diff($match, $arr);
      if (count($x) < 1 && count($y) < 1) {
        $selectors[$i] .= ',' . $selectors[$k];
        unset($details[$k], $selectors[$k]);
      }
    }
  }
  return array(
    $selectors,
    $details,
  );
}