Php if
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if
if is the most important part in PHP, and it uses to check the condition for TRUE or FALSE.
Syntax if
if(expr) statement
Example 1
- If I feel hurt, I will cry.
<?php $hurt = 1; if ($hurt) { echo 'I will cry'; } ?>
Output: By set $hurt=1 it make the statement always true
I will cry
Example 2
- If you're not study hard, you fail the exam.
- ! is make the statement or the condition to become a nagative.
<?php $study_hard = 0; if (!$study_hard) { echo 'you fail the exam.'; } ?>
Output
you fail the exam.
Example 3
<?php $a = 10; $b = -100; if ($a > $b) { echo '$a is bignner than $b'; } if ($b > $a) { echo '$b is larger than $a'; } ?>
Output
$a is bignner than $b