How can PHP be used to convert a string to an integer value?

To convert a string to an integer value in PHP, you can use the `intval()` function. This function takes a string as input and returns its integer value. It will attempt to convert as much of the string as possible into an integer, discarding any non-numeric characters. 

$string = "42";
$integerValue = intval($string);
echo $integerValue; // Output: 42

Keywords

PHP string integer conversion typecasting

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