PHP Variables

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Table of Contents

• PHP Variables
  • PHP Creating Variables
    • Example 1
  • PHP Output Variables
    • Example 2
  • PHP Get the Type
    • Example 3
  • PHP Assign Multiple Values
    • Example 4
  • Document
  • Reference

PHP Creating Variables

<h2>Creating_Variables</h2>
<p>In PHP, a variable starts with the $ sign, followed by the name of the variable: </p>
<?php
    $x = 5;
    $y = "John";

    echo $x;
    echo "<br>";
    echo $y;
?>

Example 1

Result View Example

PHP Output Variables

<h4>php-Output_Variables</h4>
<p>From w3schools.com, Experiment by Teeratus_R </p>
<?php
    $txt = "W3Schools.com";
    echo "I love $txt!";
    echo "<br>";
    echo "<hr>";
    echo "I love " . $txt . "!";
    echo "<hr>";
    $x = 5;
    $y = 4;
    echo $x + $y;

?>

Example 2

Result View Example

PHP Get the Type

<h4>php-Get_the_Type</h4>
<p>From w3schools.com, Experiment by Teeratus_R </p>
<pre>
<?php
    var_dump(5);
    var_dump("John");
    var_dump(3.14);
    var_dump(true);
    var_dump([2, 3, 56]);
    var_dump(NULL);
?>

</pre>

Example 3

Result View Example

PHP Assign Multiple Values

<h4>Assign_Multiple_Values</h4>
<p>You can assign the same value to multiple variables in one line:</p>
<?php
    $x = $y = $z = "Fruit";

    echo $x;
    echo "<br>";
    echo $y;
    echo "<br>";
    echo $z;
?>

Example 4

Result View Example

Document

Document in project

You can Download PDF file.

Reference