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27 lis 2018 · strlen() returns the number of bytes rather than the number of characters in a string. As your string have multi-byte characters (â), PHP uses two bytes to represent it. To have the right string length, you must use the mb_strlen() function:
14 cze 2012 · strlen () php function giving the wrong length of unicode characters (4 answers) Closed last year. Assuming UTF-8 encoding, and strlen () in PHP, is it possible that this string has a length of 4? I'm only interested to know about strlen (), not other functions. This is the string: $1�2.
PHP's strlen function behaves differently than the C strlen function in terms of its handling of null bytes ('\0'). In PHP, a null byte in a string does NOT count as the end of the string, and any null bytes are included in the length of the string. For example, in PHP: strlen( "te\0st" ) = 5 In C, the same call would return 2. Thus, PHP's ...
The strlen() function returns the length of the $string in bytes or zero if the $string is empty. It’s important to note that the strlen() function returns the number of bytes rather than the number of characters.
Returns the length of a string (in bytes) on success, and 0 if the string is empty: PHP Version: 4+
5 wrz 2008 · strlen() returns an integer, and when you pass an integer inside the exit() function, rather than echoing it, the integer acts as a "status". Certain integers have error codes with them, and so by passing the error code # into the exit, it will display the error associated with it. Just use die(strlen($username)); instead.
10 sty 2024 · A more reliable way to determine the byte length of a string in PHP is to use the mb_strlen() function while explicitly specifying the encoding.
