rajankur

<!-- Specifying multiple formats -->
<input type="file" accept=".csv, .txt" />

<!-- For CSV -->
<input type="file" accept=".csv" />

<!-- For Excel 97-2003 -->
<input type="file" accept="application/vnd.ms-excel" />

<!-- For Excel 2007+ -->

rajankur

Amazon ec2 LAMP and FTP installation and setup

Tutorial: Installing a LAMP Web Server on Amazon Linux

Go through this amazon link http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-LAMP.html

Associate and Elastic IP address to your EC2 instance.

rajankur

Install composer on Amazon AMI running on EC2

$ cd ~
$ sudo curl -sS https://getcomposer.org/installer | sudo php
$ sudo mv composer.phar /usr/local/bin/composer
$ sudo ln -s /usr/local/bin/composer /usr/bin/composer

then you can run

rajankur

Problem 1: write a function to get the value from an array in such a way that the keys are sparated by a dot.

function array_take($array, $keymap) {
    # your code goes here...
}
$person = [
    'name' => [
        'firstname' => 'Raj',
        'lastname' => 'Ankur'
    ],

rajankur

<?php
    $html = gzdecode(file_get_contents('http://kat.ph'));
    preg_match_all('/https?\:\/\/[^\" ]+/i', $html, $links);
    var_dump($links);

rajankur

HashMap<String, HashMap> selects = new HashMap<String, HashMap>();
for(Entry<String, HashMap> entry : selects.entrySet()) {
    String key = entry.getKey();
    HashMap value = entry.getValue();
}

rajankur

<?php 
if(isset($_FILES["file"]))
{
	$ext_allowed = array("jpg","png"); // add allowed extensions here
	$dir = "uploads"; // Add Directory for uploads here

	$name = $_FILES['file']['name'];
	$tmp = $_FILES['file']['tmp_name'];
	$ext = strtolower(pathinfo($name, PATHINFO_EXTENSION));
	$newname = substr(md5(rand(1231,483798489)),0,6)."_".strtotime(date('Y-m-d H:i:s'));

rajankur

<?php 	
	/**
	 * The function convert an input string to a date with desired format.
	 * @param  string $date
	 * @param  string $format
	 * @return datetime
	 */
	function customDate($date,$format)
	{
		if($date=="" || $date=="0000-00-00 00:00:00")

rajankur

<?php
	/**
	 * FTP upload lets you upload files to the server via FTP
	 * @param  string $host -host name of the server goes here
	 * @param  string $ftp_user -FTP username
	 * @param  string $ftp_pwd -FTP password
	 * @param  string $filename -filename to save with
	 * @param  string $content -content of the file
	 * @return boolean
	 */

rajankur

<?php
 	/**
 	 * a function for sending sms using curl.
 	 * @param  integer $to -must be a valid 10 digit mobile number
 	 * @param  string $msg -must be valid message.
 	 * @return string
 	 */
	function sendSms($to,$msg)
	{      
	$username = ""; // The username of SENDER.