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--- uphp:functions:is_float [2017/03/18 19:34]
jeff
+++ uphp:functions:is_float [2021/09/13 05:57]
@@ Line 1: / Line 1: @@
-======is_float======
-<badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
-Return 1 if the variable is a float
-====Description====
-<well size="sm"><html><span style="font-size:125%;color:green;">int
-<span style="color:black;"></html>[[is_float]]
-<html>(
-<span style="color:green;">mixed
-<span style="color:blue;">$variable
-<span style="color:black;">)
-</html></well>
-Check if a variable or value is a floating point number
-====Parameters====
-<html><span style="color:blue;"><b>variable</b><span style="color:black;"></html>:  Variable or expression to be evaluated
-====Return Value====
-(true) if float, 0 (false) if not a float
-====Examples====
-<code php>
-<?
-  $x=1;
-  print(is_float($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
-?>
-</code>
-====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:variables|uPHP Variable Types and Limits]]

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