PHP tutorial-Conditional Statements
PHP Conditional Statements
If…Else statement
If statement will check the condition. If it is true, it will execute the
statement(s) that follows it. Otherwise, it will execute the statement(s) in
else block.
if (condition) {
Statement1;
Statement2;
}
or
if (condition) {
Statement1;
Statement2;
}
else {
Statement1;
Statement2;
}
Example:
<html>
<body>
<?php
$x=10;
if($x%2==0) {echo "x is an even number";}
else {echo "x is an odd number";}
?>
</body>
</html>
If ..elseif statement
If…elseif statement is used to check multiple conditions.
if (condition) {
Statement1;
Statement2;
}
elseif {
Statement1;
Statement2;
}
or
if (condition) {
Statement1;
Statement2;
}
elseif {
Statement1
Statement2
}
else {
Statement1;
Statement2;
}
Example:
<html>
<body>
<?php
$x=rand(1,3);
if($x==1) {echo "x=1";}
elseif($x==2) {echo "x=2";}
else { echo "x=3";}
?>
</body>
</html>
switch case statement
switch case statement is used to test multiple choices.
switch(variable){
case va1:statement;break;
case val2:statement;break;
case val3:statement;break;
…………………………
default:statement;
}
Example:
<html>
<body>
<?php
$x=rand(1,3);
switch($x){
case 1:echo "x=1";break;
case 2:echo "x=2";break;
case 3:echo "x=3";break;
default:echo "Invalid value";
}
?>
</body>
</html>
| ||
| ........................................................................................................... | Home | Forum | About | Contact | ||
| This website intents to provide free and high quality tutorials, examples, exercises and solutions, questions and answers of programming and scripting languages: C, C++, C#, Java, VB.NET, Python, VBA,PHP & Mysql, SQL, JSP, ASP.NET,HTML, CSS, JQuery, JavaScript and other applications such as MS Excel, MS Access, and MS Word. However, we don't guarantee all things of the web are accurate. If you find any error, please report it then we will take actions to correct it as soon as possible. | |||
| Copyright @ 2011-2013 worldbestlearningcenter. All Rights Reserved. | |||
