In PHP, you can use the floatval function to remove 0 after the decimal point and retain a valid decimal point. The syntax is "floatval($arg)", and the parameter "arg" represents a variable.
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Use floatval($arg) directly to convert, which can remain valid The decimal point can also be removed by removing the extra 0. Among them, arg is the variable
floatval function
floatval function is used to obtain the floating point value of the variable.
floatval cannot be used with arrays or objects.
Version requirements: PHP 4 >= 4.2.0, PHP 5, PHP 7.
doubleval is an alias for 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
<?php $var = '122.34343runoob'; $float_value_of_var = floatval ($var); echo $float_value_of_var; ?>
The execution result is as follows:
122.34343
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