1. Find the distance between Longitudes and Latitudes
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
function getDistanceBetweenPointsNew($latitude1,
$longitude1, $latitude2, $longitude2) {
$theta
= $longitude1 - $longitude2;
$miles
= (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));
$miles
= acos($miles);
$miles
= rad2deg($miles);
$miles
= $miles * 60 * 1.1515;
$feet
= $miles * 5280;
$yards
= $feet / 3;
$kilometers
= $miles * 1.609344;
$meters
= $kilometers * 1000;
return compact('miles','feet','yards','kilometers','meters');
}
$point1 = array('lat' =>
40.770623, 'long' => -73.964367);
$point2 = array('lat' =>
40.758224, 'long' => -73.917404);
$distance = getDistanceBetweenPointsNew($point1['lat'],
$point1['long'], $point2['lat'],
$point2['long']);
foreach ($distance as $unit => $value) {
echo
$unit.': '.number_format($value,4).'
';
}
The example returns the following:
miles: 2.6025
feet: 13,741.4350
yards: 4,580.4783
kilometers: 4.1884
meters: 4,188.3894
|
2. Improve cURL function
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
function xcurl($url,$ref=null,$post=array(),$ua="Mozilla/5.0
(X11; Linux x86_64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre",$print=false)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_AUTOREFERER, true);
if(!empty($ref))
{
curl_setopt($ch, CURLOPT_REFERER, $ref);
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if(!empty($ua))
{
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
}
if(count($post)
> 0){
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
}
$output = curl_exec($ch);
curl_close($ch);
if($print)
{
print($output);
} else {
return $output;
}
}
|
3. Clean user input
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
]*?>.*?@si', // Strip out javascript
'@]*?>@si',
// Strip out HTML tags
'@]*?>.*?@siU',
// Strip style tags properly
'@@'
// Strip multi-line comments
);
$output = preg_replace($search, '',
$input);
return $output;
}
?>
$val) {
$output[$var]
= sanitize($val);
}
}
else {
if (get_magic_quotes_gpc())
{
$input = stripslashes($input);
}
$input = cleanInput($input);
$output = mysql_real_escape_string($input);
}
return $output;
}
?>
|
4. Detect geographical location through IP (city, country)
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
function detect_city($ip)
{
$default = 'Hollywood,
CA';
if (!is_string($ip)
|| strlen($ip) <code class="js string">'127.0.0.1' ||
$ip == 'localhost') $ip = '8.8.8.8';
$curlopt_useragent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)';
$url = 'http://ipinfodb.com/ip_locator.php?ip=' .
urlencode($ip); $ch = curl_init(); $curl_opt = array( CURLOPT_FOLLOWLOCATION => 1,
CURLOPT_HEADER => 0,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_USERAGENT => $curlopt_useragent,
CURLOPT_URL => $url,
CURLOPT_TIMEOUT => 1,
CURLOPT_REFERER => 'http://' .
$_SERVER['HTTP_HOST'],
);
curl_setopt_array($ch, $curl_opt);
$content = curl_exec($ch);
if (!is_null($curl_info))
{
$curl_info = curl_getinfo($ch);
}
curl_close($ch);
if (
preg_match('{
City : ([^
<code class="js string">}i', $content, $regs) ) { $city = $regs[1]; } if (
preg_match('{
State/Province : ([^
<code class="js string">}i', $content, $regs) ) { $state = $regs[1]; } if(
$city!='' && $state!='' ){
$location = $city . ', ' . $state; return $location;
}else{ return $default;
} }
|
5. Set password strength
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
100){
$strength = 100;
}
return $strength;
}
var_dump(password_strength("Correct Horse Battery
Staple"));
echo "
";
var_dump(password_strength("Super Monkey Ball"));
echo "
";
var_dump(password_strength("Tr0ub4dor&3"));
echo "
";
var_dump(password_strength("abc123"));
echo "
";
var_dump(password_strength("sweet"));
|
6. Detect browser language and only provide available $availableLanguages as array (‘en’, ‘de’, ‘es’)
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
function get_client_language($availableLanguages,
$default='en'){
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']))
{
$langs=explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
//start going through each one
foreach ($langs as $value){
$choice=substr($value,0,2);
if(in_array($choice,
$availableLanguages)){
return $choice;
}
}
}
return $default;
}
|
7. Create data URL
|
1
2
3
4
5
|
function data_uri($file,
$mime) {
$contents=file_get_contents($file);
$base64=base64_encode($contents);
echo "data:$mime;base64,$base64";
}
|
8. Create a more friendly page title SEO URL
Input example: $title = “This foo’s bar is rockin’ cool!”; echo makeseoname($title); //RETURNS: //this-foos-bar-is-rockin-cool
|
1
2
3
|
function make_seo_name($title)
{
return preg_replace('/[^a-z0-9_-]/i', '',
strtolower(str_replace(' ', '-',
trim($title))));
}
|
9. Ultimate Encryption Features
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
// f(ucking) u(ncrackable) e(ncryption) function by BlackHatDBL (www.netforme.net)
function fue($hash,$times)
{
// Execute the encryption(s) as many times as the user
wants
for($i=$times;$i>0;$i--)
{
// Encode with base64...
$hash=base64_encode($hash);
// and md5...
$hash=md5($hash);
// sha1...
$hash=sha1($hash);
// sha256... (one more)
$hash=hash("sha256",
$hash);
// sha512
$hash=hash("sha512",
$hash);
}
// Finaly, when done, return the value
return $hash;
}
|
10a.Tweeter Feed Runner - Use any twitter name to load user resources on any page.
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
pversion;
}
public function loadTimeline($user,
$max = 20){
$this->twitURL
.= 'statuses/user_timeline.xml?screen_name='.$user.'&count='.$max;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $this->twitURL);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$this->xml
= curl_exec($ch);
return $this;
}
public function getTweets(){
$this->twitterArr
= $this->getTimelineArray();
$tweets = array();
foreach($this->twitterArr->status
as $status){
$tweets[$status->created_at->__toString()] = $status->text->__toString();
}
return $tweets;
}
public function getTimelineArray(){
return simplexml_load_string($this->xml);
}
public function formatTweet($tweet){
$tweet = preg_replace("/(http(.+?))(
|$)/","",
$tweet);
$tweet = preg_replace("/#(.+?)(h|W|$)/", "#",
$tweet);
$tweet = preg_replace("/@(.+?)(h|W|$)/", "@",
$tweet);
return $tweet;
}
}
|
10b. Tweeter Feed Runner - used to create files in the theme, such as: example.php
|
1
2
3
4
|
loadTimeline("phpsnips")->getTweets();
foreach($feed as $time => $message){
echo "";
}
|
http://www.bkjia.com/PHPjc/735898.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/735898.htmlTechArticle1. Find the distance between Longitudes and Latitudes 12345678910111213141516171819202122232425262728 function getDistanceBetweenPointsNew( $latitude1, $longitude1, $latitude2, $ longitude2)...
ASCII code comparison table
What should I do if English letters appear when I turn on the computer and the computer cannot be turned on?
Session failure solution
length function usage
How to configure maven in idea
Solution to reboot and select proper boot device
How to buy and sell Bitcoin legally
What are the main technologies of firewalls?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
