IniHandler.class.php

<?php
 
class XCube_IniHandler {
    /*** string[] ***/
    protected $_mConfig = [];
    /*** string ***/
    protected $_mFilePath;
    /*** bool ***/
    protected $_mSectionFlag = false;

    public function __construct( /*** string ***/ $filePath, /*** bool ***/ $section = false ) {
        $this->_mSectionFlag = $section;
        $this->_mFilePath    = $filePath;
        $this->_loadIni();
    }

    protected function _loadIni() {
        if ( file_exists( $this->_mFilePath ) ) {
            $key = null;
            foreach ( explode( "\n", file_get_contents( $this->_mFilePath ) ) as $line ) {
                //case: comment line
                if ( preg_match( '/^\s*([;#]|\/\/)/', $line ) ) {
                    continue;
                }
                //remove CR
                $line = preg_replace( '/\r/', '', $line );
                //case: section line
                if ( preg_match( '/\[(.*)\]/', $line, $str ) ) {
                    if ( true === $this->_mSectionFlag ) {
                        $key                    = $str[1];
                        $this->_mConfig[ $key ] = [];
                    }
                } //case: key/value line
                elseif ( preg_match( '/^(.*)=(.*)$/', $line, $str ) ) {
                    $name =& $str[1];
                    $val  =& $str[2];
                    if ( preg_match( '/^"(.*)"$/', $val, $body ) || preg_match( '/^\'(.*)\'$/', $val, $body ) ) {
                        $val =& $body[1];
                    }
 
                    if ( true === $this->_mSectionFlag ) {
                        $this->_mConfig[ $key ][ $name ] = $val;
                    } else {
                        $this->_mConfig[ $name ] = $val;
                    }
                }
            }
        }
    }

    public function getConfig( /*** string ***/ $key, /*** string ***/ $section = '' ) {
        if ( true === $this->_mSectionFlag ) {
            return $this->_mConfig[ $section ][ $key ];
        }
 
        return $this->_mConfig[ $key ];
    }

    public function getSectionConfig( /*** string ***/ $section ) {
        return ( true === $this->_mSectionFlag ) ? $this->_mConfig[ $section ] : null;
    }

    public function getAllConfig() {
        return $this->_mConfig;
    }
}