Extension of PHP STL.

lib.extension.php

<?php
  /**
	 * Library Extension :: Extension of PHP STL.
	 **/
	
	function kDate($_addHyphen = false) {
		return date($_addHyphen ? 'Y-m-d' : 'Ymd');
	}
	
	function kDatetime() {
		return date('Y-m-d H:i:s');
	}
	
	// Functions for Array and stdClass.
	function arrayEncode($_Array) {
		return base64_encode(json_encode($_Array));
	}
	
	function arrayDecode($_encodedArray) {
		return json_decode(base64_decode($_encodedArray), true);
	}
	
	function arrayToObj($_Array) {
		return json_decode(json_encode($_Array));
	}
	
	// Functions for String.
	function kHash($_plainData) {
		$_codeA = hash('sha512', base64_decode(sha1($_plainData) . md5($_plainData) . base64_encode($_plainData)) . base64_decode(md5($_plainData) . sha1($_plainData) . base64_encode($_plainData)));
		$_codeB = hash('sha512', base64_encode(sha1($_plainData) . md5($_plainData) . base64_encode($_plainData)) . base64_encode(md5($_plainData) . sha1($_plainData) . base64_encode($_plainData)));
		
		return substr($_codeA, strlen($_codeA) / 2, strlen($_codeA) / 2) . substr($_codeA, 0, strlen($_codeA) / 2);
	}
	
	function kFiltering($_Data) {
		$_filterTags = array('iframe', 'script', 'style', 'meta', 'link', 'title', 'xmp', 'pre');
		
		foreach($_filterTags as $_tagName) {
			$_Data = preg_replace('/<' . $_tagName . '.*<\/' . $_tagName . '>/is', '', $_Data);
		}
		
		$_Data = kBlank($_Data, true);
		
		foreach($_filterTags as $_tagName) {
			$_Data = preg_replace('/<' . $_tagName . '.*\/?>/i', '', $_Data);
		}
		
		$_Data = preg_replace_callback('/<[a-z]+(.*)>/i', 'kFilteringAttr', $_Data);
		
		return kBlank($_Data);
	}
	
	function kFilteringAttr($_Attrs) {
		return preg_replace('/on([a-z]+)=/i', 'q:$1=', preg_replace('/([a-z]+)=("|\')javascript:/i', '$1=$2_' . substr(kHash(time()), 0, 5) . ':', $_Attrs[0]));
	}
	
	function kName($_normalString) {
		return ucfirst(strtolower($_normalString));
	}
	
	function kFormalName($_normalString) {
		return preg_replace('/[^a-z0-9_]/i', '', strtolower($_normalString));
	}
	
	function kClassName($_classObj) {
		return strtolower(get_class($_classObj));
	}
	
	function kBlank($_normalData, $_splitLine = false) {
		return preg_replace('/>' . (!$_splitLine ? '\s+' : '') . '</', '>' . ($_splitLine ? chr(10) . chr(13) : '') . '<', preg_replace('/\s{2,}/', ' ', strtr($_normalData, array(
			chr(9) => '', chr(13) => '', chr(10) => ''
		))));
	}
	
	function kRand($_start, $_end) {
		if(function_exists('mt_rand')) return mt_rand($_start, $_end);
		else return rand($_start, $_end);
	}
	
	function kRandString() {
		return substr(chr(kRand(33, 47)) . chr(kRand(58, 64)) . chr(kRand(33, 47)) . chr(kRand(91, 96)) . chr(kRand(123, 126)) . chr(kRand(33, 47)) . chr(kRand(58, 64)) . chr(kRand(33, 47)) . chr(kRand(91, 96)) . chr(kRand(123, 126)), 0, kRand(5, 10));
	}
	
	function kXml($_Superlative = 'result') {
		return new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8" ?><' . preg_replace('/[^a-z]/', '', strtolower($_Superlative)) . ' />');
	}
	
	// Functions for the files or directories.
	function kRead($_fileAddr) {
		if(is_file($_fileAddr) && is_readable(dirname($_fileAddr))) {
			$_fileHwnd = fopen($_fileAddr, 'r');
			$_fileCtx = '';
			while(!feof($_fileHwnd))
				$_fileCtx .= fread($_fileHwnd, 1024);
			fclose($_fileHwnd);
			
			return $_fileCtx;
		} else {
			return null;
		}
	}
	
	function kWrite($_fileAddr, $_fileCtx, $_writeMod = 'w') {
		if(is_writable(dirname($_fileAddr))) {
			$_fileHwnd = fopen($_fileAddr, $_writeMod);
			$_fileResult = fwrite($_fileHwnd, $_fileCtx);
			fclose($_fileHwnd);
			
			return $_fileResult;
		} else {
			return null;
		}
	}
	
	function kAppend($_fileAddr, $_fileCtx) {
		return kWrite($_fileAddr, $_fileCtx, 'a');
	}
	
	function kMake($_dirAddr, $_dirPermission = 0707) {
		if(!is_dir($_dirAddr) && is_writable(dirname($_dirAddr))) {
			return mkdir($_dirAddr, $_dirPermission);
		} else {
			return null; 
		}
	}
	
	function kRemove($_targetName) {
		if(is_file($_targetName)) {
			return unlink($_targetName);
		} else if(is_dir($_targetName)) {
			foreach(glob($_targetName . '/*') as $_fileName) {
				if(is_dir($_fileName)) {
					kRemove($_fileName);
				} else if(is_file($_fileName)) {
					unlink($_fileName);
				}
			}
			
			return rmdir($_targetName);
		}
	}
	
	function kFileTime($_targetName) {
		if(is_file($_targetName))
			return filemtime($_targetName);
		else
			return -1;
	}
	
	function kStrcut($_plainData, $_length, $_check = false, $_tail = '..') {
	    preg_match_all('/[\xEA-\xED][\x80-\xFF]{2}|./', $_plainData, $_Match);
	
	    $_Matches = $_Match[0];
	    $_dataLength = strlen($_plainData);
	    $_tailLength = strlen($_tail);
	    $_cMatches = count($_Matches);
	    
	    if ($_dataLength <= $_length) return $_plainData;
	    if (!$_check && $_cMatches <= $_length) return $_plainData;
	    
	    $_Return = array();
	    $_Count = 0;
	    
	    for ($i = 0; $i < $_length; $i++) {
	        $_Count += ($_check && strlen($_Matches[$i]) > 1) ? 2 : 1;
	    
	        if ($_Count + $_tailLength > $_length) break;
	        $_Return[] = $_Matches[$i];
	    }
	    
	    return join('', $_Return) . $_tail;
	}
	
	function kURL($_URL = '', $_isSSL = false, $_Opts = array()) {
		if($_URL == '') return null;
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_HEADER, 0);
		if($_isSSL) curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		if($_Opts['User-Agent']) curl_setopt($ch, CURLOPT_USERAGENT, $_Opts['User-Agent']);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_URL, $_URL); 
		$data = curl_exec($ch);
		curl_close($ch);
		
		return $data;
	}
?>