PHP Multiline Comments

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Posted 2024-05-17 07:15:48
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Multi-line Comments

Multi-line comments start with /* and end with */.

Any text between /* and */ will be ignored.

The following example uses a multi-line comment as an explanation:

ExampleGet your own PHP Server

Multi-line comment as an explanation:

/*
The next statement will
print a welcome message
*/
echo "Welcome Home!";
Try it Yourself »

Multi-line Comments to Ignore Code

We can use multi-line comments to prevent blocks of code from being executed:

Example

Multi-line comment to ignore code:

/*
echo "Welcome to my home!";
echo "Mi casa su casa!";
*/
echo "Hello!";
Try it Yourself »

Comments in the Middle of the Code

The multi-line comment syntax can also be used to prevent execution of parts inside a code-line:

Example

The  + 15 part will be ignored in the calculation:

$x = 5 /* + 15 */ + 5;
echo $x;
Try it Yourself »

PHP Exercises

Test Yourself With Exercises

Exercise:

Use the PHP multi-line comment syntax to make sure the following code lines are not executed:


x = 5;
print(x);

Start the Exercise

 
 

 

 

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