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PHP FILTER_VALIDATE_FLOAT Filter

< Complete PHP Filter Reference

Definition and Usage

The FILTER_VALIDATE_FLOAT filter validates a value as a float number.

Name: "float"
ID-number: 259

Example

<?php
$var=12.3;

var_dump(filter_var($var, FILTER_VALIDATE_FLOAT));
?>

The output of the code will be:

float(12.3)

< Complete PHP Filter Reference