Here i am going to explain you how to take screenshot(thumbnail) from video in php.
First Of All we need to installed ffmpeg on our server.If your server does not have this facility please contact your web hosting provider.
function captureImageFromVideo($imagename,$videoname)
{
$ffmpeg = '/usr/bin/ffmpeg';
//video dir
$video = '/public_html/video/'.$videoname;
//where to save the image
$image = '/public_html/image/'.$imagename;
//what time to take screenshot from...
Thursday, October 4, 2012
Wednesday, October 3, 2012
How to create zip and download
In this post I am going to explain you how to create zip file and download.
We need some files on some directory which we will zipped by code.
For this task we are using PHP zip library, it must enabled on your server.
Here is function
function zipFilesDownload($file_names,$archive_file_name,$file_path)
{
$zip = new ZipArchive();
//create the file and throw the error if unsuccessful
if ($zip->open($archive_file_name, ZIPARCHIVE::CREATE )!==TRUE) {
...
Thursday, September 6, 2012
MySQL Using SUM and CASE in statement
Problems i faced in mysql query
one day i was working on Race project where director can payment online and manually .
I had been stored all Amount in one column "amt".
take a look on below image
I was want SUM of manual payment , electronic payment and total of all payment in one query. That day i had been write following query by using Mysql SUM() function and conditional CASE statement.
Here...
Tuesday, August 7, 2012
How to install ffmpeg in xampp
Install ffmpeg for windowsStep 1 Install xampp, use latest version. After installation there should be a directory C:\xamppIn this example i use C:\xampp as default directory. Step 2Check if gd2 is installed, you can do this by using phpinfo() in you script.Step 3Download ffmpeg.exe from one of the following links:http://ffdshow.faireal.net/mirror/ffmpeg/http://arrozcru.no-ip.org/ffmpeg_buildshttp://ffdshow.faireal.net/mirror/ffmpeg/http://www.paehl.com/open_source/?Convert_Tools:FFMPEGhttp://oss.netfarm.it/mplayer-win32.php...
Monday, July 30, 2012
How to find second highest salary in MySQL
if you have MySQL table like below image
if you want to fetch second highest salary of employee following query will be useful for you.
select sal from emp group by sal order by sal desc Limit 1,1
your output will be like below image
if you want to fetch all employee which have second highest salary following query will be useful for you.
select * from emp where sal=(select...
Sunday, July 22, 2012
How to delete all inside folder
This function is useful to delete all inner folder of given path of folder.
Lets explain in example:
if you have folder which name is user_1 and user_1 have lots of folder like (my_album, my_profile,friends_photo etc.)
if you want to delete folder (my_album, my_profile,friends_photo etc.) call function like belew
<?php
deleteDirectory($dir); // $dir = path of user_1 folder
?>
function deleteDirectory($dir) {
if (!file_exists($dir)) return true;
if (!is_dir($dir)...
Saturday, July 21, 2012
Date after 10 days
$your_date = '2012-07-21';
$date_after_ten_days = date("Y-m-d",strtotime(date("Y-m-d", strtotime($your_date)) . " +10 day"));
echo $date_after_ten_days; //output 2012-07-...
Tuesday, May 8, 2012
Javascript function
function emailCheck() {
var email_race_0 = document.getElementById("email_race_0").value;
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
if(reg.test(email_race_0) == false) {
alert('Invalid Email Address');
return false;
}
}
function isAlphaOrParen(str) {
return /^[a-zA-Z()]+$/.test(str);
}
function emty_value_space(str_value)
{
if(str_value=='' || !str_value.match(/[^\s]/))
{return false;}else{return true;}
}
function isNumeric(v)...
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