php variables
<?php
$string = 'string';
$number = 1;
?>php variables
<?php
/* In PHP, a variable starts with the $ sign,
followed by the name of the variable:
*/
$txt = "Hello world!";
$x = 5;
$y = 10.5;
?>php variables
<?php
//can also use print instead of echo and would return but it is
//slower so use echo mainly
#variable rules
/*
- Prefix with a dollar sign $
- Start with a letter or an underscore only
- Only letters, numbers and underscores
- Case sensative
*/
#DATA TYPES
/*
Strings
Integers 4
floats 4.4
Booleans True or Flase
Arrays
Objects
Null
Resources
*/
$output = ' Hello there Bob!!';
$num1 = 4;
$num2 =10;
$sum = $num1 + $num2;
$string1 = ' Hello';
$string2 = 'Bobby!!';
$greeting = $string1 .' '. $string2;
$greeting2 = "$string1 $string2";
$string3 = ' They\'re Here';
#making a constant
define('GREETING', ' Hello Everyone!!');
echo $sum;
echo $output;
echo $greeting;
echo $greeting2;
echo $string3;
echo GREETING;
?>PHP Variables
<?php
$txt = "Hello world!";
$x = 5;
$y = 10.5;
?>variables in php
<?php
# To declare variables in php, you should prefix the variable name with
# a dollar sign and assign it the value. For example:
$msg = 'Hello World';
$number = 10;
$decimal = 98.6;
$result = true;
# To print out variable names, you can directly enter the variable name
# inside of a print or echo statement. For example:
echo "Variables: $msg, $number, $decimal, $result"
?>Copyright © 2021 Codeinu
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