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27 gru 2011 · PHP does not support unsigned integers. Integer size can be determined using the constant PHP_INT_SIZE, and maximum value using the constant PHP_INT_MAX since PHP 4.4.0 and PHP 5.0.5. If PHP encounters a number beyond the bounds of the integer type, it will be interpreted as a float instead.
PHP Casting Strings and Floats to Integers. Sometimes you need to cast a numerical value into another data type. The (int), (integer), and intval() functions are often used to convert a value to an integer.
16 gru 2011 · If you want the numerical value of a string and you don't want to convert it to float/int because you're not sure, this trick will convert it to the proper type: function get_numeric($val) { if (is_numeric($val)) { return $val + 0; } return 0; } Example: <?php get_numeric('3'); // int(3) get_numeric('1.2'); // float(1.2) get_numeric('3.0 ...
intval (mixed $value, int $base = 10): int. Returns the int value of value, using the specified base for the conversion (the default is base 10). intval () should not be used on objects, as doing so will emit an E_WARNING level error and return 1.
If you want to convert a string automatically to float or integer (e.g. "0.234" to float and "123" to int), simply add 0 to the string - PHP will do the rest. e.g. $val = 0 + "1.234";
31 lip 2024 · The filter_var() function in PHP can be used to convert a string to a number by using the FILTER_SANITIZE_NUMBER_FLOAT or FILTER_SANITIZE_NUMBER_INT filter. This function is versatile and can handle various types of sanitization and validation.
Description. base_convert (string $num, int $from_base, int $to_base): string. Returns a string containing num represented in base to_base. The base in which num is given is specified in from_base. Both from_base and to_base have to be between 2 and 36, inclusive.
