PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
floatval - Get float value of a variable
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floatval( mixed$value ): float

Gets the float value of value.



May be any scalar type. floatval should not be used on objects, as doing so will emit an E_NOTICE level error and return 1.

Return Values

The float value of the given variable. Empty arrays return 0, non-empty arrays return 1.

Strings will most likely return 0 although this depends on the leftmost characters of the string. The common rules of float casting apply.

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Function floatval:

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