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I am trying to convert a 2 byte string into a Short/int data type with unpack but it does not seem to work:
$str = "\x01\xBB";
unpack("S",$str);
it gives 47873 where as it must return 443
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The number_format() function is used to convert string into a number. It returns the formatted number on success otherwise it gives E_WARNING on failure. echo number_format( $num , 2);
The (int), (integer), or intval() function are often used to convert a value to an integer.
The is_numeric() function checks whether a variable is a number or a numeric string. This function returns true (1) if the variable is a number or a numeric string, otherwise it returns false/nothing.
Answer: Use the strval() Function You can simply use type casting or the strval() function to convert an integer to a string in PHP.
You need to use n as the format string instead.
$str = "\x01\xBB";
unpack("n",$str);
Look here for more format options.
http://php.net/manual/en/function.pack.php
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