define a variable in php code example

Example 1: php variables

<?php
  $string = 'string';
  $number = 1;
?>

Example 2: 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;
?>

Example 3: php declare variable

// just assign it some value to declare it
$var = 'some value';

Example 4: how to make a variable in php

$varName = "Hello, World";

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