Recursively search and replace in files using this PHP script. Follows subdirectories and uses regular expressions for search and replace. Allows file extensions to be specified.
<?php
function recursiveFileReplace ($directory, $search, $replace, $valid_ext = '') {
// directory is the starting point of the search
// search is a regular expression
// replace is the replacement string
// example: replace <? with <?php
// recursiveFileReplace('/path-to-files/', '|<\?\s+|', '<?php ', array('php'));
if (substr($directory, -1, 1) == '/') {
$directory = substr($directory, 0, strlen($directory) - 1);
}
// recursively scan directory and retrieve files
if ($handle = opendir($directory)) {
while (false !== ($file = readdir($handle))) {
if ($file != '..' && $file != '.') {
if (is_file($directory. '/' .$file)) {
if (is_array($valid_ext)) {
$file_ext = strtolower(substr($file, strrpos($file, '.') + 1));
if (!in_array($file_ext, $valid_ext)) {
continue;
}
}
$contents = file_get_contents($directory. '/' .$file);
$contents = preg_replace($search, $replace, $contents);
file_put_contents($directory. '/' .$file, $contents);
}
if (is_dir($directory. '/' .$file)) {
recursiveFileReplace($directory. '/' .$file, $search, $replace, $valid_ext);
}
}
}
return true;
}
}
?>
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