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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.
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[Editor's note: array at from dot pl had pointed out that...
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- Ucfirst
Note: the return for this function changed in versions 4.3...
- Count
Returns the length of a string (in bytes) on success, and 0 if the string is empty: PHP Version: 4+
27 wrz 2011 · You can use mb_strlen() to get the byte length using a encoding that only have byte-characters, without worring about multibyte or singlebyte strings. For example, as drake127 saids in a comment of mb_strlen, you can use '8bit' encoding: <?php $string = 'Cién cañones por banda'; echo mb_strlen($string, '8bit'); ?>
strlen() returns the number of bytes rather than the number of characters in a string.
Use the PHP strlen () function to get the number of bytes of a string. Use the PHP mb_strlen () function to get the number of characters in a string with a specific encoding.
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.
strlen returns the number of bytes rather than the number of characters in a string. Note: strlen returns null when executed on arrays, and an E_WARNING level error is emitted.
