The floatval Function

The floatval function converts the passed value to a floating-point number (float). As a parameter, it accepts a variable of any type. If conversion is impossible, the function will return 0.

Syntax

phpfloatval(mixed $value);

Example

Convert a string with a number to float:

php<?php
  $res = floatval('12.34');
  var_dump($res);
?>

Code execution result:

php12.34

Example

Let's try to convert a string with text:

php<?php
  $res = floatval('hello');
  var_dump($res);
?>

Code execution result:

php0

Example

Convert an integer to float:

php<?php
  $res = floatval(123);
  var_dump($res);
?>

Code execution result:

php123

See Also