<-- KIRTISHIL PATIL-->
<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>basic</title>
</head>
<body>
<?php
//variable declaration
echo "variable declaration";
echo "<br>";
$var1=10;
$var2=20;
echo "Add :",$var1+$var2;
echo "<br>";
//comparision op var_dump is function used for get to know about data types
echo "var_dump()";
echo "<br>";
echo "1==5 ";
echo var_dump(1==5);
echo "<br>";
//increment decrement
echo "increment decrement";
echo "<br>";
echo $var1++;
echo "<br>";
echo $var1--;
echo "<br>";
echo ++$var1;
echo "<br>";
echo --$var1;
echo "<br>";
//logical
// and (&&)
// or (||)
// xor
// not (!)
echo "logical";
echo "<br>";
$myvar =(true) and (true);
echo var_dump($myvar);
echo "<br>";
$myvar =(true) and (false);
echo var_dump($myvar);
echo "<br>";
$myvar =(false) and (true);
echo var_dump($myvar);
echo "<br>";
$myvar =(false) and (false);
echo var_dump($myvar);
echo "<br>";
//array
echo "array";
echo "<br>";
$var = array("c","cpp","ds");
echo "language $var[0],$var[1]";
echo "<br>";
echo count($var);
echo "<br>";
//associative array
// sort() - sort arrays in ascending order
// rsort() - sort arrays in descending order
// asort() - ascending order, according to the value
// ksort() - ascending order, according to the key
// arsort() - descending order, according to the value
// krsort() - descending order, according to the key
echo "associative array";
echo "<br>";
$marks = array("Kirtishil"=>90,"Sushil"=>89);
echo $marks["Kirtishil"];
echo "<br>";
//data types
echo "Data types";
echo "<br>";
$var3 = "This is string";
echo var_dump($var3);
echo "<br>";
echo "Type casting";
echo "<br>";
//type casting
// int - float
// float - double
// double - real
// real - int
// int - integer
// integer - bool
// bool - boolean
// boolean - string
// string - array
// array - object
$var3 = (array) $var3;
echo var_dump($var3);
echo "<br>";
$var3 = 12;
echo var_dump($var3);
echo "<br>";
$var3 = (float) $var3;
echo var_dump($var3);
echo "<br>";
$var3 = 12.76;
echo var_dump($var3);
echo "<br>";
$var3 = (double) $var3;
echo var_dump($var3);
echo "<br>";
$var3 = true;
echo var_dump($var3);
echo "<br>";
$var3 = (float) $var3;
echo var_dump($var3);
echo "<br>";
//constant
echo "constant";
echo "<br>";
define('K',358);
echo K;
echo "<br>";
echo var_dump(K);
echo "<br>";
?>
<div class="container">
This is container
<?php
echo "<br>";
//if else
$age = 23;
if($age>18)
{
echo "Adult";
}
else
{
echo "Kid";
}
//loops
$a = 0;
while($a <= 10){
echo "<br> the value of a is: ";
echo $a;
$a++;
}
echo "<br>";
// array iteration using loops
$lang = array("c","c++");
$a = 0;
while($a < count($lang)){
echo "<br> the value of lang is: ";
echo $lang[$a];
$a++;
}
echo "<br>";
//do while
$a = 200;
do {
echo "<br> the value of a is: ";
echo $a;
$a++;
} while($a < 10);
echo "<br>";
//for loop
for($a=0;$a<10;$a++){
echo $a,"<br>";
}
foreach($lang as $value){
echo $value,"<br>";
}
echo "<br>"."associative"."<br>";
$course = array("Java"=>100,"Python"=>200);
arsort($course);
foreach ($course as $cname => $price){
echo $cname." ".$price."<br>";
}
?>
</div>
</body>
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