Question

How to get the float value of a variable with floatval() in PHP

Answer 1

$v = '100.31456XF';
$float_value = floatval($v);
echo $float_value;
 
/*
run: 

100.31456 

*/

 

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Answer 2

$v = 'XF100.31456';
$float_value = floatval($v);
echo $float_value;
 
/*
run: 

0

*/

 

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