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uphp:functions:is_float

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is_float

WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0

Return 1 if the variable is a float

Description

int is_float ( mixed $variable )

Check if a variable or value is a floating point number

Parameter

$variable: Variable or expression to be evaluated

Return Value

1 (true) if float, 0 (false) if not a float

Examples

<?
  $x=1;
  print(is_float($x)); // outputs 0, $x is an integer
  $y=1.0;
  print(is_float($y)); // outputs 1, $y is a float
  $z="1.0";
  print(is_float($z)); // outputs 0, $z is a string
?>

Notes

This function checks ONLY the type of the variable, not the data that it holds!

To test if a variable contains a number or is a numeric string (such as form input, which is always a string), you should use is_numeric().

See Also

is_int() - Return 1 if the variable is an integer

is_numeric() - Return 1 if the value is numeric (integer, float or numeric string)

is_string() - Return 1 if the variable is a string

is_array() - Return 1 if the variable is an array

isset() - Return 1 if the variable exists

uPHP Variable Types and Limits

uphp/functions/is_float.1490732082.txt.gz · Last modified: 2021/09/13 05:56 (external edit)