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Definition and Usage. The strlen () function returns the length of a string. Syntax. strlen (string) Parameter Values. Technical Details. More Examples. Example. Return the length of the string "Hello World": <?php. echo strlen ("Hello world!"); ?> Try it Yourself » PHP String Reference. W3schools Pathfinder.
strlen( "te\0st" ) = 5 In C, the same call would return 2. Thus, PHP's strlen function can be used to find the number of bytes in a binary string (for example, binary data returned by base64_decode).
strlen() returns the number of bytes rather than the number of characters in a string.
Here’s the syntax of the strlen () function: strlen ( string $string ) : intCode language:PHP(php) The strlen () function has one parameter $string, which is the string to measure the length. The strlen () function returns the length of the $string in bytes or zero if the $string is empty.
Understanding the strlen () function. The syntax for using the strlen () function in PHP is as follows: strlen (string $string) : int. Here, $string is the string for which we want to find the length. The strlen() function returns the number of characters in $string.
PHP strlen() function is used to count the length of a given string or check the number of characters in a string. Here 'str' means string, and 'len' means length. It only takes one parameter, which is certainly imperative to implement this function.
5 wrz 2024 · The strlen () is a built-in function in PHP which returns the length of a given string. It calculates the length of the string including all the whitespaces and special characters. Syntax: strlen($string); Parameters: This parameter represents the string whose length is needed to be returned. Return Value:
