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27 gru 2011 · $var = rand(0,PHP_INT_MAX).str_pad(rand(0, 999999999), 9, 0, STR_PAD_LEFT); echo $var; On a platform in which PHP uses a 32 bit integer, this allows you to get a near random integer (as a string) that is bigger than 32 bits ( > 10 decimal places).
16 gru 2011 · If you want the numerical value of a string and you don't want to convert it to float/int because you're not sure, this trick will convert it to the proper type: function get_numeric($val) { if (is_numeric($val)) { return $val + 0; } return 0; } Example: <?php get_numeric('3'); // int(3) get_numeric('1.2'); // float(1.2) get_numeric('3.0 ...
The following example has a function with one argument ($fname). When the familyName () function is called, we also pass along a name, e.g. ("Jani"), and the name is used inside the function, which outputs several different first names, but an equal last name:
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.
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 ().
The library function intval allows values to be converted to int. Converting to Floating-Point Type. The result type is float. If the source type is int, if the precision can be preserved the result value is the closest approximation to the source value; otherwise, the result is undefined.
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.
