PHP floatval(), doubleval() Functions

PHP 可用的函数PHP Available Functions

floatvalThe function is used to get the floating-point value of a variable.

floatval cannot be used on arrays or objects.

Version requirements: PHP 4 >= 4.2.0, PHP 5, PHP 7.

doubleval is an alias of floatval.

Syntax

float floatval ( mixed $var )

Parameter description:

  • $var: The variable to be converted, cannot be an array or object.

Return Value

The float value of variable var.

Example

Example

<?php $var = '122.34343example'; $float_value_of_var = floatval ($var); echo $float_value_of_var; ?>

The execution result is as follows:

122.34343

PHP 可用的函数PHP Available Functions

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