original_string: private function __sortMetaHeadersCmp($a, $b)
  	{
  		$lenA = strpos($a, ':');
  		$lenB = strpos($b, ':');
  		$minLen = min($lenA, $lenB);
  		$ncmp = strncmp($a, $b, $minLen);
  		if ($lenA == $lenB) return $ncmp;
  		if (0 == $ncmp) return $lenA < $lenB ? -1 : 1;
  		return $ncmp;
  	}
code: private function __sortMetaHeadersCmp($a, $b)
  	{
  		$lenA = strpos($a, ':');
  		$lenB = strpos($b, ':');
  		$minLen = min($lenA, $lenB);
  		$ncmp = strncmp($a, $b, $minLen);
  		if ($lenA == $lenB) return $ncmp;
  		if (0 == $ncmp) return $lenA < $lenB ? -1 : 1;
  		return $ncmp;
  	}
code_tokens: private function __sortMetaHeadersCmp ( $ a , $ b ) { $ lenA = strpos ( $ a , ':' ) ; $ lenB = strpos ( $ b , ':' ) ; $ minLen = min ( $ lenA , $ lenB ) ; $ ncmp = strncmp ( $ a , $ b , $ minLen ) ; if ( $ lenA == $ lenB ) return $ ncmp ; if ( 0 == $ ncmp ) return $ lenA < $ lenB ? - 1 : 1 ; return $ ncmp ; }
docstring: Sort compare for meta headers
  
  @internal Used to sort x-amz meta headers
  @param string $a String A
  @param string $b String B
  @return integer
docstring_tokens: Sort compare for meta headers