Syntax has 17 Questions
<?php
"Hello World"
?>
<?php
print_r "Hello world"
?>
<?php
echo 'Hello World';
<html>
Hello world
html>
?>
<?php
$color = "red";
echo "$color";
echo "$COLOR";
echo "$Color";
?>
<?php
# echo "Hello world";
echo "# Hello world";
?>
<?php
echo "Hello World"
?>
<?php
<?php
echo "Hello world";
?>
?>
<?php
$color = red;
echo "\$color";
?>
<?php
/*
echo "Hello world";
*/
?>
<?php
$color = red;
echo "$color" . red ;
?>
<?php
$color1 = red;
$color2 = green;
echo "$color1"."$color2";
?>
<?php
$color = "red";
$color = "green";
echo "$color";
?>
<?php
$color1 = "red";
$color2 = "green";
echo "$color1" . "$color2";
?>
<?php
$color1 = "red";
$color2 = "green";
echo "$color1" + "$color2";
?>
<?php
$color1 = "red";
$color2 = "red";
echo "$color1" + "$color2";
?>
<?php
$color1 = "1";
$color2 = "1";
echo "$color1" + "$color2";
?>
<?php
$color1 = "red";
$color2 = "1";
$color3 = "grey"
echo "$color1" + "$color2" . "$color3";
?>