<?php
class INI {
/**
* WRITE
*/
static function write($filename, $ini) {
$string = '';
foreach(array_keys($ini) as $key) {
$string .= '['.$key."]\n";
$string .= INI::write_get_string($ini[$key], '')."\n";
}
file_put_contents($filename, $string);
}
/**
* write get string
*/
static function write_get_string(& $ini, $prefix) {
$string = '';
ksort($ini);
foreach($ini as $key => $val) {
if (is_array($val)) {
$string .= INI::write_get_string($ini[$key], $prefix.$key.'.');
} else {
$string .= $prefix.$key.' = '.str_replace("\n", "\\\n", INI::set_value($val))."\n";
}
}
return $string;
}
/**
* manage keys
*/
static function set_value($val) {
if ($val === true) { return 'true'; }
else if ($val === false) { return 'false'; }
return $val;
}
/**
* READ
*/
static function read($filename) {
$ini = array();
$lines = file($filename);
$section = 'default';
$multi = '';
foreach($lines as $line) {
if (substr($line, 0, 1) !== ';') {
$line = str_replace("\r", "", str_replace("\n", "", $line));
if (preg_match('/^\[(.*)\]/', $line, $m)) {
$section = $m[1];
} else if ($multi === '' && preg_match('/^([a-z0-9_.\[\]-]+)\s*=\s*(.*)$/i', $line, $m)) {
$key = $m[1];
$val = $m[2];
if (substr($val, -1) !== "\\") {
$val = trim($val);
INI::manage_keys($ini[$section], $key, $val);
$multi = '';
} else {
$multi = substr($val, 0, -1)."\n";
}
} else if ($multi !== '') {
if (substr($line, -1) === "\\") {
$multi .= substr($line, 0, -1)."\n";
} else {
INI::manage_keys($ini[$section], $key, $multi.$line);
$multi = '';
}
}
}
}
$buf = get_defined_constants(true);
$consts = array();
foreach($buf['user'] as $key => $val) {
$consts['{'.$key.'}'] = $val;
}
array_walk_recursive($ini, array('INI', 'replace_consts'), $consts);
return $ini;
}
/**
* manage keys
*/
static function get_value($val) {
if (preg_match('/^-?[0-9]$/i', $val)) { return intval($val); }
else if (strtolower($val) === 'true') { return true; }
else if (strtolower($val) === 'false') { return false; }
else if (preg_match('/^"(.*)"$/i', $val, $m)) { return $m[1]; }
else if (preg_match('/^\'(.*)\'$/i', $val, $m)) { return $m[1]; }
return $val;
}
/**
* manage keys
*/
static function get_key($val) {
if (preg_match('/^[0-9]$/i', $val)) { return intval($val); }
return $val;
}
/**
* manage keys
*/
static function manage_keys(& $ini, $key, $val) {
if (preg_match('/^([a-z0-9_-]+)\.(.*)$/i', $key, $m)) {
INI::manage_keys($ini[$m[1]], $m[2], $val);
} else if (preg_match('/^([a-z0-9_-]+)\[(.*)\]$/i', $key, $m)) {
if ($m[2] !== '') {
$ini[$m[1]][INI::get_key($m[2])] = INI::get_value($val);
} else {
$ini[$m[1]][] = INI::get_value($val);
}
} else {
$ini[INI::get_key($key)] = INI::get_value($val);
}
}
/**
* replace utility
*/
static function replace_consts(& $item, $key, $consts) {
if (is_string($item)) {
$item = strtr($item, $consts);
}
}
}
?>