What is Semantic Errors ?

[chinmay.sahoo]

Semantic errors occur when you write code that obeys the rules of PHP’s syntax, but which, when executed, breaks the “runtime rules” of PHP. For example, the foreach statement expects you to give it an array

<?php
$variable = 'This is not an array';
foreach ($variable as $key => $value) {
echo $key . ' : ' . $value;
}
?>

Because $variable was not an array, this script produces the following error message:

 

[RH-Calvin]

In computer science, a syntax error is an error in the syntax of a sequence of characters or tokens that is intended to be written in a particular programming language.

 

[adilkhan]

These are valid code the compiler understands, but they do not what you, the programmer, intended.

 

[Astrologer Mahendhar]

The third type of error is the semantic error. If there is a semantic error in your program, it will run successfully in the sense that the computer will not generate any error messages. However, your program will not do the right thing.


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