Question

How to extract a float from a string that includes characters and float numbers in PHP

Answer 1

$str = "PHP 8.55 Programming";

// FILTER_SANITIZE_NUMBER_FLOAT - Removes all illegal characters from a float number
// FILTER_FLAG_ALLOW_FRACTION - Allow fraction separator 

$result = (float)filter_var($str, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION); 

echo $result;




/*
run:

8.55

*/

 

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