ini文件操作类,ini文件创建,内容读取,内容修改

<?php ini_set("display_errors", 1); ini_set('date.timezone', 'Asia/Shanghai'); header('Content-Type:text/html;charset=utf-8'); class Ini { private $iniContent = array(); //格式化键后的INI内容 key转化成大写 private $fileContentString = ''; private $originalIniContent = array(); //原始文件中的INI内容 private $filename = ''; public function __construct($filename=null) { $this->filename = $filename; $this->setIniContent(); } /** * * 初始化Ini文件数组 */ private function setIniContent() { if (!is_file($this->filename)) { return '没有初始化文件'; } $this->fileContentString = file_get_contents($this->filename); $this->originalIniContent = parse_ini_file($this->filename, true); foreach ($this->originalIniContent as $key => $value) { $upperKey = strtoupper($key); if (is_array($value)) { foreach ($value as $k => $v) { $arrKey = strtoupper($k); $this->iniContent[$upperKey][$arrKey] = $v; } } else { $this->iniContent["$upperKey"] = $value; } } } /** * 获得INI文件的整体信息 */ public function getIniContent() { return $this->originalIniContent; } /** * 根据节点名和键名，获得该节点下该键名的值 * @param string $keyName 键名 * @param string $nodeName 节点名 可以不传 * @return string 键值 */ public function getIniValue($keyName, $nodeName = null) { if (!is_file($this->filename)) { return false; } $keyName = strtoupper($keyName); $nodeName = $nodeName ? strtoupper($nodeName) : null; if (is_null($nodeName) && array_key_exists($keyName, $this->iniContent)) { return $this->iniContent[$keyName]; } return $this->iniContent[$nodeName][$keyName]; } /** * 设置新的健值对 * @param $keyName 键名 * @param $value 值 * @param $nodeName 节点名 * @return bool */ public function setIniValue($keyName, $value, $nodeName = null) { if (!is_file($this->filename)) { return '没有初始化文件'; } $arrKey = $this->originalIniContent; if (is_null($nodeName)) { $arrKey[$keyName] = $value; } else { $arrKey[$nodeName][$keyName] = $value; } $strNewIniContent= $this->arrToIniStr($arrKey); if (file_put_contents($this->filename, $strNewIniContent)) { $this->setIniContent(); return true; } else { return false; } } /** * 根据数组，生成ini文件 * @param array $arr * @param string $filename * @return bool */ public function creatIniFileByArr(array $arr, $filename = null) { if (!is_null($filename)) { $this->filename = $filename; } // 自动创建目录 $dir = dirname($this->filename); if (!is_dir($dir)) { mkdir($dir, 0777, true); } $iniNewContent = $this->arrToIniStr($arr); if (file_put_contents($this->filename, $iniNewContent)) { $this->setIniContent(); return true; } else { return false; } } /** * 将数组转化成ini格式的字符串 * @param array $arr * @return string */ private function arrToIniStr(array $arr) { $iniNewContent = ''; foreach ($arr as $k => $v) { if (is_array($v)) { $iniNewContent .= '[' . $k . ']' . "\r\n"; foreach ($v as $key => $value) { $iniNewContent .= $key . '=' . $value . "\r\n"; } } else { $iniNewContent .= $k . '=' . $v . "\r\n"; } } return trim($iniNewContent); } } $path = dirname(__FILE__) ; $path = $path . '/test/config.ini'; $arr = array('redis' =>array('host'=>'192.068.0.1','port'=>'6739'), 'mysql' => array('host' => '192.168.0.1', 'port' => '3306')); $myinit = new Ini($path); var_dump($myinit->creatIniFileByArr($arr));//根据数组内容创建文件 var_dump($myinit->setIniValue('name','myname2','mysql'));//设置增加一个配制项 var_dump($myinit->getIniValue('name','mysql'));//读取一个配制项