khoand0000’s gists

khoand0000 / seconds_to_duration.php

Created September 11, 2014 15:19

http://phpsnips.com/67/Seconds-to-Duration#.VBG9VPmSySr

	<?php
	function duration($len){
	$hr = floor($len / 60 / 60);
	$min = floor($len / 60);
	$sec = floor($len % 60);
	return array('hr' => $hr, 'min' => $min,'sec' => $sec);
	}

	$dur = 28853.45;
	$totals = duration($dur);

khoand0000 / blacklist_lookup.php

Created September 11, 2014 15:28

http://phpsnips.com/544/Blacklist-Lookup#.VBG-zfmSySo This blacklist lookup function is a modification of this snippet. The difference is, that it returns if it suspects an ip is a spammer. If 50% or more of the lookups think your a spammer, the function returns true otherwise false.

	<?php
	function blacklist($ip){
	$listed = true;
	$dnsbl_lookup = array(
	"dnsbl-1.uceprotect.net",
	"dnsbl-2.uceprotect.net",
	"dnsbl-3.uceprotect.net",
	"dnsbl.dronebl.org",
	"dnsbl.sorbs.net",
	"zen.spamhaus.org"

khoand0000 / key_implode.php

Created September 11, 2014 15:29

http://phpsnips.com/505/Key-Implode#.VBG-3PmSySo

	<?php
	function key_implode($glue, $array){
	$keys = array_keys($array);
	return implode($glue, $keys);
	}

	$arr = array("cats" => 4, "dogs" => 8, "fish" =>10);

	echo key_implode(",", $arr);
	?>

khoand0000 / visit_counter.php

Created September 11, 2014 15:30

http://phpsnips.com/459/visit-counter#.VBG_8_mSySp

	<?php
	// set the variable to 0, it'll matter only if the cookie for the variable is not set
	$visitCounter = 0;
	// if cookie is set for the variable, it'll go to $visitCounter and get added by 1; otherwise it'll show 0 for tha variable
	if(isset($_COOKIE['visitCounter'])){
	$visitCounter = $_COOKIE['visitCounter'];
	$visitCounter ++;
	}
	// if the last visist cookie is set, it'll pass the value to $lastVisit, and it'll be displayed below;
	if(isset($_COOKIE['lastVisit'])){

khoand0000 / pluralize_and_singularize_english_noun.php

Created September 11, 2014 15:32

http://phpsnips.com/567/Pluralize-and-Singularize-English-Nouns#.VBG-6PmSySo

	<?php

	// +----------------------------------------------------------------------+
	// \| Akelos PHP Application Framework \|
	// +----------------------------------------------------------------------+
	// \| Copyright (c) 2002-2006, Akelos Media, S.L. http://www.akelos.com/ \|
	// \| Released under the GNU Lesser General Public License \|
	// +----------------------------------------------------------------------+
	// \| You should have received the following files along with this library \|
	// \| - COPYRIGHT (Additional copyright notice) \|

khoand0000 / cache_generated_images.php

Created September 11, 2014 15:36

http://phpsnips.com/473/Cache-PHP-Generated-Images#.VBG--vmSySo Stops PHP from sending a fresh version of an image if the browser already has it in its cache.

	<?php
	header("Cache-Control: private, max-age=10800, pre-check=10800");
	header("Pragma: private");
	// Set to expire in 2 days
	header("Expires: " . date(DATE_RFC822,strtotime(" 2 day")));
	if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])){
	// if the browser has a cached version of this image, send 304
	header('Last-Modified: '.$_SERVER['HTTP_IF_MODIFIED_SINCE'],true,304);
	exit;
	}

khoand0000 / escape_user_input_before_preg_replace.php

Created September 11, 2014 15:38

http://phpsnips.com/603/Escape-user-input-before-preg_replace#.VBG_A_mSySo Sometimes you need to do preg_replace on user input. Don't forget to escape all special characters or you'll get funny results.

	<?php
	$input = str_replace(array('^', '.', '\|', '(', ')', '[', ']', '*', '+', '?', '{', '}', '$' ),
	array('\^', '\.', '\\|', '$', '$', '\[', '\]', '\*', '\+', '\?', '\{', '\}', '\$' ), $input);

khoand0000 / validate_email.php

Created September 11, 2014 15:41

http://phpsnips.com/564/PHP-Email-Regex---Validating-Email-Address-using-Regular-Expression#.VBG_E_mSySo

	<?php

	$regex = "/([a-z0-9_]+\|[a-z0-9_]+\.[a-z0-9_]+)@(([a-z0-9]\|[a-z0-9]+\.[a-z0-9]+)+\.([a-z]{2,4}))/i";

	// usage

	if(!preg_match($regex, $email)) {
	echo "Invalid email address";
	}
	else {

khoand0000 / check_java_install_or_not.html

Created September 12, 2014 16:32

check java install or not

	<!DOCTYPE html>
	<html>
	<head>
	<title>Registration</title>
	<script src="http://www.java.com/js/deployJava.js"></script>
	</head>
	<script>
	function onLoad() {
	if (deployJava.getJREs().length > 0) {
	document.getElementById('install').style.display = 'block';

khoand0000 / get_client_ip.php

Created September 12, 2014 17:59

get client ip http://stackoverflow.com/questions/15699101/get-the-client-ip-address-using-php

	// Function to get the client IP address
	function get_client_ip() {
	$ipaddress = '';
	if (getenv('HTTP_CLIENT_IP'))
	$ipaddress = getenv('HTTP_CLIENT_IP');
	else if(getenv('HTTP_X_FORWARDED_FOR'))
	$ipaddress = getenv('HTTP_X_FORWARDED_FOR');
	else if(getenv('HTTP_X_FORWARDED'))
	$ipaddress = getenv('HTTP_X_FORWARDED');
	else if(getenv('HTTP_FORWARDED_FOR'))

	<?php

	// +----------------------------------------------------------------------+
	// \| Akelos PHP Application Framework \|
	// +----------------------------------------------------------------------+
	// \| Copyright (c) 2002-2006, Akelos Media, S.L. http://www.akelos.com/ \|
	// \| Released under the GNU Lesser General Public License \|
	// +----------------------------------------------------------------------+
	// \| You should have received the following files along with this library \|
	// \| - COPYRIGHT (Additional copyright notice) \|

	<?php
	$input = str_replace(array('^', '.', '\|', '(', ')', '[', ']', '*', '+', '?', '{', '}', '$' ),
	array('\^', '\.', '\\|', '\(', '\)', '\[', '\]', '\*', '\+', '\?', '\{', '\}', '\$' ), $input);

Khoa Nguyen khoand0000