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--- uphp:functions:floatval [2017/04/06 12:31]
jeff
+++ uphp:functions:floatval [2021/09/13 05:57]
@@ Line 1: / Line 1: @@
-======floatval======
-<badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
-Return the <html><b><span style="color:green">float<span style="color:black"></b></html> value of a <html><b><span style="color:green">number<span style="color:black"></b></html> or <html><b><span style="color:green">string<span style="color:black"></b></html>
-====Description====
-<well size="sm">
-<html>
-<span style="font-size:125%;color:green">float
-<span style="color:black">
-</html>
-[[floatval]] (
-<html><span style="color:green">mixed
-<span style="color:blue">$value
-<span style="color:black">)
-</html>
-</well>
-Return the floating point equivalent
-====Parameter====
-<html><b><span style="color:blue">$value<span style="color:black"></b></html>:  A <html><b><span style="color:green">string<span style="color:black"></b></html> with a leading number, or a <html><b><span style="color:green">number<span style="color:black"></b></html> (<html><b><span style="color:green">int<span style="color:black"></b></html> or <html><b><span style="color:green">float<span style="color:black"></b></html>)
-====Return Value====
-Floating point value, or:
-  * 0 on failure (for example, a <html><b><span style="color:green">string<span style="color:black"></b></html> without a numeric in the leftmost characters)
-  * 0 on empty <html><b><span style="color:green">array<span style="color:black"></b></html>
-  * 1 on non-empty <html><b><span style="color:green">array<span style="color:black"></b></html>
-====Example====
-**Convert the integer '1' into a float variable which has a value of 1.000000:**
-<code php>
-<?
-  $x=1;
-  $f=floatval($x);
-  print("The float value of ".$x." is ".$f);
-?>
-</code>
-The above example will output:
-<code>
-The float value of 1 is 1.000000
-</code>
-====See Also====
-[[intval()]] - Return the <html><b><span style="color:green">integer<span style="color:black"></b></html> value of a <html><b><span style="color:green">number<span style="color:black"></b></html> or <html><b><span style="color:green">string<span style="color:black"></b></html>
-[[strval()]] - Return the <html><b><span style="color:green">string<span style="color:black"></b></html> equivalent of a <html><b><span style="color:green">number<span style="color:black"></b></html>
-[[is_numeric()]] - Check if a value is numeric (<html><b><span style="color:green">int<span style="color:black"></b></html>, <html><b><span style="color:green">float<span style="color:black"></b></html> or numeric <html><b><span style="color:green">string<span style="color:black"></b></html>)
-[[ieee754toint()]] - Take a floating point value and return an IEEE-754 encoded <html><b><span style="color:green">integer<span style="color:black"></b></html> (32 bit)
-[[inttoieee754()]] - Take an IEEE-754 encoded <html><b><span style="color:green">integer<span style="color:black"></b></html> (32 bit) and return a <html><b><span style="color:green">float<span style="color:black"></b></html>
-[[uphp:variables|uPHP Variable Types and Limits]]

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