drupal_rewrite_settings
includes/install.inc, строка 167
- Версии
- 5 – 6
drupal_rewrite_settings($settings = array(), $prefix = '')
Read settings.php into a buffer line by line, changing values specified in
$settings
array, then over-writing the old settings.php file.
Параметры
$settings
An array of settings that need to be updated.
Код
<?php
function drupal_rewrite_settings($settings = array(), $prefix = '') {
$settings_file = './'. conf_path() .'/'. $prefix .'settings.php';
// Build list of setting names and insert the values into the global namespace.
$keys = array();
foreach ($settings as $setting => $data) {
$GLOBALS[$setting] = $data['value'];
$keys[] = $setting;
}
$buffer = NULL;
$first = TRUE;
if ($fp = @fopen($settings_file, 'r+')) {
// Step line by line through settings.php.
while (!feof($fp)) {
$line = fgets($fp);
if ($first && substr($line, 0, 5) != '<?php') {
$buffer = "<?php\n\n";
}
$first = FALSE;
// Check for constants.
if (substr($line, 0, 7) == 'define(') {
preg_match('/define\(\s*[\'"]([A-Z_-]+)[\'"]\s*,(.*?)\);/', $line, $variable);
if (in_array($variable[1], $keys)) {
$setting = $settings[$variable[1]];
$buffer .= str_replace($variable[2], " '". $setting['value'] ."'", $line);
unset($settings[$variable[1]]);
unset($settings[$variable[2]]);
}
else {
$buffer .= $line;
}
}
// Check for variables.
elseif (substr($line, 0, 1) == '$') {
preg_match('/\$([^ ]*) /', $line, $variable);
if (in_array($variable[1], $keys)) {
// Write new value to settings.php in the following format:
// $'setting' = 'value'; // 'comment'
$setting = $settings[$variable[1]];
$buffer .= '$'. $variable[1] ." = '". $setting['value'] ."';". ($setting['comment'] ? ' // '. $setting['comment'] ."\n" : "\n");
unset($settings[$variable[1]]);
}
else {
$buffer .= $line;
}
}
else {
$buffer .= $line;
}
}
fclose($fp);
// Add required settings that were missing from settings.php.
foreach ($settings as $setting => $data) {
if ($data['required']) {
$buffer .= "\$$setting = '". $data['value'] ."';\n";
}
}
$fp = fopen($settings_file, 'w');
if ($fp && fwrite($fp, $buffer) === FALSE) {
drupal_set_message(st('Failed to modify %settings, please verify the file permissions.', array('%settings' => $settings_file)), 'error');
}
}
else {
drupal_set_message(st('Failed to open %settings, please verify the file permissions.', array('%settings' => $settings_file)), 'error');
}
}
?>
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