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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: mb_strlen("â"); // 1 strlen("â"); // 2
27 wrz 2011 · Do you mean byte size or string length? Byte size is measured with strlen(), whereas string length is queried using mb_strlen(). You can use substr() to trim a string to X bytes (note that this will break the string if it has a multi-byte encoding - as pointed out by Darhazer in the comments) and mb_substr() to trim it to X characters in the ...
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.
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.
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.
Returns the length of a string (in bytes) on success, and 0 if the string is empty: PHP Version: 4+
20 lut 2024 · The strlen() function is one of the most ubiquitous string functions in PHP. It returns the length of a string in bytes or characters. In this comprehensive guide, we‘ll cover all aspects of strlen(): Syntax and behavior. Use cases and examples.
