Comparison Operators : Comparison Operators « Operator « PHP

PHP
1. Chart
2. Class
3. Components
4. Cookie Session
5. Data Structure
6. Data Type
7. Date
8. Design Patterns
9. Development
10. DNS
11. Email
12. File Directory
13. Form
14. Functions
15. Graphics Image
16. HTML
17. Language Basics
18. Login Authentication
19. Math
20. MySQL Database
21. Network
22. Operator
23. PDF
24. Reflection
25. Statement
26. String
27. Utility Function
28. Web Services SOAP WSDL
29. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
PHP » Operator » Comparison Operators 
Comparison Operators
 
example         name                               result
$a == $b        Equal                              True if $a is equal to $b.
$a === $b       Identical                          True if $a is equal to $b, and they are of the same type. (PHP4 only)
$a != $b        Not equal                          True if $a is not equal to $b.
$a < $b         Less than                          True if $a is strictly less than $b.
$a > $b         Greater than                       True if $a is strictly greater than $b.
$a <= $b        Less than or equal to              True if $a is less than or equal to $b.
$a >= $b        Greater than or equal to           True if $a is greater than or equal to $b.


<?php 
  $a = ("PHP"=="PHP")"true":"false";
  $b = ("PHP"=="PERL")?"true":"false";

  $c = (1.785==1.785)"true":"false";
  $d = (!= 5)?"true":"false";

  $e = (true == true)?"true":"false";
  $f = (false != false)?"true":"false";

  $g = (100<200)?"true":"false";
  $h = (100<100)?"true":"false";

  $i = (100<=100)?"true":"false";
  $j = -)?"true":"false";
  

  $result =  "TEST STRINGS \$a:$a  \$b:$b<br>";
  $result .= "TEST NUMBERS \$c:$c \$d:$d<br>";
  $result .= "TEST BOOLEANS \$e:$e \$f:$f<br>";
  $result .= "TEST LESS THAN \$g:$g \$h:$h<br>";
  $result .= "TEST LESS THAN OR EQUAL \$i:$i<br>";  
  $result .= "TEST GREATER THAN \$j:$j";

?>

<html>
 <head>
  <title>Comparison Operators</title>
 </head>
 <body>

  <?php echo$result ); ?>

 </body>
</html>
  
  
Related examples in the same category
1. Comparing numbers and strings
2. Loose Comparison Operators
3. Using Comparison Operators in if Statements
4. The Ternary Operator
5. The equality operator
6. These values are compared using dictionary order
7. These values are compared using numeric order
8. Equality Operators summary table
9. Equality Operators in action
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.