/**
* Outputs the array string which is then used in the config file.
*
* @param $array array Array of values to store in the config.
* @param $num_tabs int (Optional) The number of tabs to use in front of the array elements - makes it all nice !
*
* @return string A string of text which will make up the array values in the config file.
*/
function config_array_output($array, $num_tabs = 1)
{
if (!is_array($array)) {
return FALSE;
}
$tval = 'array(';
// allow for two-dimensional arrays
$array_keys = array_keys($array);
// check if they are basic numeric keys
if (is_numeric($array_keys[0]) && $array_keys[0] == 0) {
$tval .= "'" . implode("','", $array) . "'";
} else {
$tabs = "";
for ($num = 0; $num < $num_tabs; $num++) {
$tabs .= "\t";
}
// non-numeric keys
foreach ($array as $key => $value) {
if (is_array($value)) {
$num_tabs++;
$tval .= "\n" . $tabs . "'" . $key . "' => " . config_array_output($value, $num_tabs) . ",";
} else {
$tval .= "\n" . $tabs . "'" . $key . "' => '" . $value . "',";
}
}
//end foreach
$tval .= "\n" . $tabs;
}
//end if
$tval .= ')';
return $tval;
}
/**
* Save the passed array settings into a single config file located in the
* config directory.
*
* @param string $file The config file to write to.
* @param array $settings An array of config setting name/value pairs to be
* written to the file.
* @param string $module Name of the module where the config file exists.
* @param string $config_path
*
* @return bool False on error, else true.
*/
function write_config($file = '', $settings = NULL, $module = '', $config_path = APPPATH)
{
if (empty($file) || !is_array($settings)) {
return FALSE;
}
$config_file = "config/{$file}";
// Look in module first.
$found = FALSE;
if ($module) {
$file_details = Modules::find($config_file, $module, '');
if (!empty($file_details) and !empty($file_details[0])) {
$config_file = implode('', $file_details);
$found = TRUE;
}
}
// Fall back to application directory.
if (!$found) {
$config_file = "{$config_path}{$config_file}";
$found = is_file($config_file . '.php');
}
// Load the file and loop through the lines.
if ($found) {
$contents = file_get_contents($config_file . '.php');
$empty = FALSE;
} else {
// If the file was not found, create a new file.
$contents = '';
$empty = TRUE;
}
foreach ($settings as $name => $val) {
// Is the config setting in the file?
$start = strpos($contents, '$config[\'' . $name . '\']');
$end = strpos($contents, ';', $start);
$search = substr($contents, $start, $end - $start + 1);
// Format the value to be written to the file.
if (is_array($val)) {
// Get the array output.
$val = config_array_output($val);
} elseif (!is_numeric($val)) {
$val = "\"{$val}\"";
}
// For a new file, just append the content. For an existing file, search
// the file's contents and replace the config setting.
if ($empty) {
$contents .= '$config[\'' . $name . '\'] = ' . $val . ";\n";
} else {
$contents = str_replace($search, '$config[\'' . $name . '\'] = ' . $val . ';', $contents);
}
}
// Make sure the file still has the php opening header in it...
if (strpos($contents, '<?php') === FALSE) {
$contents = "<?php defined('BASEPATH') OR exit('No direct script access allowed');\n\n{$contents}";
}
// Write the changes out...
if (!function_exists('write_file')) {
get_instance()->load->helper('file');
}
$result = write_file("{$config_file}.php", $contents);
return $result !== FALSE;
}
/**
* Save the passed array settings into a single config file located in the
* /config directory.
*
* The $settings passed in should be an array of key/value pairs, where the
* key is the name of the config setting and the value is its value.
*
* @param string $file The config file to write to.
* @param array $settings An array of key/value pairs to be written to the file.
* @param string $module Name of the module where the config file exists.
*
* @return boolean
*/
function write_config($file = '', $settings = null, $module = '', $apppath = APPPATH)
{
if (empty($file) || !is_array($settings)) {
return false;
}
$configFile = "config/{$file}";
// Look in module first
$found = false;
if ($module) {
$fileDetails = Modules::find($configFile, $module, '');
if (!empty($fileDetails) && !empty($fileDetails[0])) {
$configFile = implode('', $fileDetails);
$found = true;
}
}
// Fall back to application directory
if (!$found) {
$configFile = "{$apppath}{$configFile}";
$found = is_file($configFile . '.php');
}
// Load the file and loop through the lines
if ($found) {
$contents = file_get_contents($configFile . '.php');
$empty = false;
} else {
$contents = '';
$empty = true;
}
foreach ($settings as $name => $val) {
// Is the config setting in the file?
$start = strpos($contents, '$config[\'' . $name . '\']');
$end = strpos($contents, ';', $start);
$search = substr($contents, $start, $end - $start + 1);
if (is_array($val)) {
// Get the array output
$val = config_array_output($val);
} elseif (!is_numeric($val)) {
$val = "\"{$val}\"";
}
if ($empty) {
$contents .= '$config[\'' . $name . '\'] = ' . $val . ";\n";
} else {
$contents = str_replace($search, '$config[\'' . $name . '\'] = ' . $val . ';', $contents);
}
}
// Backup the file for safety
$source = $configFile . '.php';
$dest = ($module == '' ? "{$apppath}archives/{$file}" : $configFile) . '.php.bak';
if ($empty === false) {
copy($source, $dest);
}
// Make sure the file still has the php opening header in it...
if (strpos($contents, '<?php') === false) {
$contents = "<?php defined('BASEPATH') || exit('No direct script access allowed');\n\n{$contents}";
}
// Write the changes out...
if (!function_exists('write_file')) {
get_instance()->load->helper('file');
}
$result = write_file("{$configFile}.php", $contents);
return $result !== false;
}
