PHP FILTER_SANITIZE_NUMBER_FLOAT Filter
 Complete PHP Filter Reference
Definition and Usage
The FILTER_SANITIZE_NUMBER_INT filter removes all illegal characters from a
float number.
This filter allows digits and + - by default
- Name: "number_float"
- ID-number: 520
Possible flags:
- FILTER_FLAG_ALLOW_FRACTION - Allow fraction separator (like . )
- FILTER_FLAG_ALLOW_THOUSAND - Allow thousand separator (like , )
- FILTER_FLAG_ALLOW_SCIENTIFIC - Allow scientific notation (like e and E)
Example
<?php
$number="5-2f+3.3pp";
var_dump(filter_var($number, FILTER_SANITIZE_NUMBER_FLOAT,
FILTER_FLAG_ALLOW_FRACTION));
?>
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The output of the code will be:
Complete PHP Filter Reference
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