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16 gru 2011 · Instead of having to choose whether to convert the string to int or float, you can simply add a 0 to it, and PHP will automatically convert the result to a numeric type. // Being sure the string is actually a number if (is_numeric($string)) $number = $string + 0; else // Let the number be 0 if the string is not a number $number = 0;
intval returns the integer value of a variable, using the specified base for the conversion. See the description, parameters, return values, examples and notes of this function in the PHP manual.
Learn how to convert a string to an integer value using typecasting or intval() function, with example programs. See how to handle decimal points and different types of strings with these methods.
5 maj 2009 · The correct way to convert a string to an integer is using the function intval. $length = intval($_POST['length']);
Definition and Usage. The intval () function returns the integer value of a variable. Syntax. intval (variable, base); Parameter Values. Technical Details. PHP Variable Handling Reference. W3schools Pathfinder. Track your progress - it's free! Log in Sign Up.
It is possible to convert strings to numbers in PHP with several straightforward methods. Below, you can find the four handy methods that we recommend you to use. Applying Type Casting. The first method we recommend you to use is type casting. All you need to do is casting the strings to numeric primitive data types as shown in the example below:
strval (mixed $value): string. Get the string value of a variable. See the documentation on string for more information on converting to string. This function performs no formatting on the returned value. If you are looking for a way to format a numeric value as a string, please see sprintf () or number_format ().
