basic.php

<?php

	// echo "Hello World!";
	// echo "<br>";
	// print "Hello World!";
	// print "<br>";

	//echo is slightly faster
	//PHP is a loosely typed language

	// $a = 15;
	// echo $a;
	// echo "<br>";

	// $a = 1.798;
	// echo $a;
	// echo "<br>";

	// $a = "Raizu";
	// echo $a;
	// echo "<br>";

	// $ans = 42;
	// echo "The answer is ".$ans."<br>";
	// echo "The answer is $ans <br>";

	// $p = 4;
	// $q = 7.5;
	// echo $p+$q;
	// echo "<br>";

	//var dump

	// var_dump($p);
	// echo "<br>";
	// var_dump($q);
	// echo "<br>";

	//operators

	// echo $p-$q."<br>";
	// echo $p*$q."<br>";
	// echo $p/$q."<br>";

	//functions

	// function temp($a, $b) {
	// 	return $a**$b;
	// }

	// echo temp(2,4)."<br>";

	//default args

	// function fun($b=3) {
	// 	return 2**$b;
	// }

	// echo fun(7)."<br>";
	// echo fun()."<br>";

	// $arr = array(2,1,"omega");
	// for($i=0;$i<3;$i++) {
	// 	echo $arr[$i]." ";
	// }
	// echo "<br>";

	// $assoc = array("age" => 12, "name" => "Raizu");
	// echo $assoc["age"]." ".$assoc["name"]."<br>";
	// foreach ($assoc as $key => $value) {
	// 	echo "Key is $key and value is $value<br>";
	// }

	// $test = array(7,6,5);
	// sort($test);
	// for($i=0;$i<count($test);$i++)
	// 	echo $test[$i]." ";
	// echo "<br>";

	//Several predefined variables in PHP are "superglobals", which means that they are always accessible, regardless of scope - and you can access them from any function, class or file without having to do anything special.

?>