PHP Conditional Statements : If Else If Statements
What is PHP Conditional Statements?
when you write code, you want to perform different actions for different decisions.You can use conditional statements in your code to do this
- If : executes some code only if a specified condition is true
- if...else statement - executes some code if a condition is true and another code if the condition is false
- if...elseif....else statement - selects one of several blocks of code to be executed
If Example
if...else Example
Have a good night!if...elseif....else else Example
Have a good night! <html>
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<h2 align="left">What is PHP Conditional Statements?</h2>
<?php
echo "when you write code, you want to perform different actions for different decisions.<br>
You can use conditional statements in your code to do this";
echo "<ol type=\"A\">
<li>If : executes some code only if a specified condition is true</li>
<li>if...else statement - executes some code if a condition is true and another code if the condition is false</li>
<li>if...elseif....else statement - selects one of several blocks of code to be executed</li>
</ol>";
?>
<h2 align="left">If Example</h2>
<?php
$t=date("H");
if ($t<"20")
{
echo "Have a good day!";
}
?>
<h2 align="left">if...else Example</h2>
<?php
$t=date("H");
if ($t<"20")
{
echo "Have a good day!";
}
else
{
echo "Have a good night!";
}
?>
<h2 align="left">if...elseif....else else Example</h2>
<?php
$t=date("H");
if ($t<"10")
{
echo "Have a good morning!";
}
elseif ($t<"20")
{
echo "Have a good day!";
}
else
{
echo "Have a good night!";
}
?>
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