How can the W3C validator tool be used to identify and fix errors in PHP code?

The W3C validator tool can be used to identify errors in PHP code by checking for syntax errors, missing semicolons, undefined variables, and other common mistakes. To fix these errors, carefully review the error messages provided by the validator and make the necessary corrections in the PHP code. 

<?php
// Incorrect PHP code with syntax errors
$variable = "Hello World"
echo $variable;
?>
```

```php
<?php
// Corrected PHP code with semicolon added and echo statement fixed
$variable = "Hello World";
echo $variable;
?>

Keywords

W3C validator PHP code errors debugging validation syntax errors

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