function CSSCompression_Combine_MarginPadding::combine

Combines multiple directional properties of margin/padding into single definition.

Parameters

(string) val: Rule Set:

File

advagg_css_compress/css-compressor-3.x/src/lib/Combine/MarginPadding.inc, line 41

Class

CSSCompression_Combine_MarginPadding

CSS Compressor [VERSION] [DATE] Corey Hart @ <a href="http://www.codenothing.com">http://www.codenothing.com</a>

Code

public function combine($val) {
    $val = $this->expand($val);
    $storage = $this->storage($val);
    $pos = 0;
    // Now rebuild the string replacing all instances of margin/padding if shorthand exists
    while (preg_match($this->rmp, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {
        $prop = $match[2][0];
        if (isset($storage[$prop])) {
            $colon = strlen($match[1][0]);
            $val = substr_replace($val, $storage[$prop], $match[0][1] + $colon, strlen($match[0][0]) - $colon);
            $pos = $match[0][1] + strlen($storage[$prop]) - $colon - 1;
            $storage[$prop] = '';
        }
        else {
            $pos = $match[0][1] + strlen($match[0][0]) - 1;
        }
    }
    // Return converted val
    return $val;
}