diff options
Diffstat (limited to 'inc/io.php')
| -rw-r--r-- | inc/io.php | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/inc/io.php b/inc/io.php index dbb42114b..51ca2ea14 100644 --- a/inc/io.php +++ b/inc/io.php @@ -311,28 +311,23 @@ function io_replaceInFile($file, $oldline, $newline, $regex=false, $maxlines=0) $lines = file($file); } - // remove all matching lines - if ($regex) { - if($maxlines > 0) { - $matches = preg_grep($oldline, $lines); - $count = 0; - foreach($matches as $ix=>$m) { - $lines[$ix] = preg_replace($oldline, $newline, $m); - if(++$count >= $maxlines) break; - } - } else { - $lines = ($maxlines == 0) ? preg_grep($oldline, $lines, PREG_GREP_INVERT) - : preg_replace($oldline, $newline, $lines, $maxlines); - } - } else { + // make non-regexes into regexes + $pattern = $regex ? $oldline : '/'.preg_quote($oldline,'/').'/'; + $replace = $regex ? $newline : addcslashes($newline, '\$'); + + // remove matching lines + if ($maxlines > 0) { $count = 0; - $replaceline = $maxlines == 0 ? '' : $newline; - $pos = array_search($oldline,$lines); //return null or false if not found - while(is_int($pos)){ - $lines[$pos] = $replaceline; - if($maxlines > 0 && ++$count >= $maxlines) break; - $pos = array_search($oldline,$lines); + $matched = 0; + while (($count < $maxlines) && (list($i,$line) = each($lines))) { + // $matched will be set to 0|1 depending on whether pattern is matched and line replaced + $lines[$i] = preg_replace($pattern, $replace, $line, -1, $matched); + if ($matched) $count++; } + } else { + $lines = ($maxlines == 0) ? + preg_grep($pattern, $lines, PREG_GREP_INVERT) : + preg_replace($pattern, $replace, $lines); } if($maxlines == 0 && ((string)$newline) !== '') { |