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uphp:functions:is_numeric

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uphp:functions:is_numeric [2017/04/06 12:07]
jeff 		uphp:functions:is_numeric [2021/09/13 05:57] (current)
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 <badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge> <badge>WMPRO, WMMINI FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
  
-Return 1 if the 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>)+<html>Check if a value is numeric (<b><span style="color:green">int<span style="color:black"></b>, <b><span style="color:green">float<span style="color:black"></b> or numeric <b><span style="color:green">string<span style="color:black"></b>)</html>
  
 ====Description==== ====Description====
  
-<well size="sm"> +<well size="sm"><html>
-<html>+
 <span style="font-size:125%;color:green">int <span style="font-size:125%;color:green">int
-<span style="color:black"> +<span style="color:black">is_numeric (
-</html> +
-[[is_numeric]] ( +
-<html>+
 <span style="color:green">mixed <span style="color:green">mixed
 <span style="color:blue">$value <span style="color:blue">$value
 <span style="color:black">) <span style="color:black">)
-</html> +</html></well>
-</well>+
  
-Check if a value is numeric+Check to see if a value is numeric
  
 ====Parameter==== ====Parameter====
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 <html><b><span style="color:blue">$value<span style="color:black"></b></html>:  Variable or expression to be evaluated <html><b><span style="color:blue">$value<span style="color:black"></b></html>:  Variable or expression to be evaluated
  
-====Return Value====+====Return Values====
  
-1 (true) if numeric, 0 (false) if not numeric (arrays always return 0)+<html><b><span style="color:green">Integer<span style="color:black"></b></html>:  1 (true) if numeric, 0 (false) if not numeric (arrays always return 0)
  
 ====Examples==== ====Examples====
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 </code> </code>
  
-**Set up an array of different types of values. Then iterate through the array and output each element type, value and whether is_numeric() returns true or false:**+===Set up an array of different types of values, iterate through the array, output type, value and whether is_numeric() returns true or false===
  
 <code php> <code php>
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 ====See Also==== ====See Also====
  
-[[is_int()]] - Return 1 if the variable is an <html><b><span style="color:green">integer<span style="color:black"></b></html>+[[is_int()]] - Check if a variable is an <html><b><span style="color:green">integer<span style="color:black"></b></html>
  
-[[is_float()]] - Return 1 if the variable is a <html><b><span style="color:green">float<span style="color:black"></b></html>+[[is_float()]] - Check if a variable is a <html><b><span style="color:green">float<span style="color:black"></b></html>
  
-[[is_string()]] - Return 1 if the variable is a <html><b><span style="color:green">string<span style="color:black"></b></html>+[[is_string()]] - Check if a variable is a <html><b><span style="color:green">string<span style="color:black"></b></html>
  
-[[is_array()]] - Return 1 if the variable is an <html><b><span style="color:green">array<span style="color:black"></b></html>+[[is_array()]] - Check if a variable is an <html><b><span style="color:green">array<span style="color:black"></b></html>
  
-[[isset()]] - Return 1 if the variable exists+[[isset()]] - Check if a variable exists
  
 [[uphp:numbers|uPHP Numbers and Numeric Calculations]] [[uphp:numbers|uPHP Numbers and Numeric Calculations]]
uphp/functions/is_numeric.1491480439.txt.gz · Last modified: 2021/09/13 05:56 (external edit)

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