Return a size in bytes,kilobytes,megabytes and gigabytes for given array or string. Can be used if you want to check performance for some script. Show
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Topic: PHP / MySQLPrev|Next Answer: Use the PHP strlen() functionYou can simply use the PHP Let's take a look at the following example to understand how it actually works:
Related FAQHere are some more FAQ related to this topic:
I found this very handy function on the php.net site in the user comments for the strlen() function. It accepts a string in ASCII or UTF-8 format and finds out how long that string is in bytes. The function works by going through the string and adding how many bytes each character represents. For normal ASCII values this is a single byte so 1 is added to the total. Unicode characters can be up to 6 bytes and so the rest of this function works out how many bytes the character takes up by using AND calculations.
This string is useful if you want to know how large a string is in bytes, but have only a small amount of control over how the string will be presented. For example, if you download a web page and want to know how large it is in bytes you can pass the content of the page into this function. You might think that the Content-Length header could be used here, but you can't rely on this header to be returned from every site. Some sites will simply omit the line, whilst others will just put a default amount there. CommentsAdd new commentHow do you calculate bytes of a string in PHP?As the manual says: "strlen() returns the number of bytes rather than the number of characters in a string.", so if you want to get the number of characters in a string of UTF8 so use mb_strlen() instead of strlen().
How do you find the length of a string in PHP?The strlen() is a built-in function in PHP which returns the length of a given string. It takes a string as a parameter and returns its length. It calculates the length of the string including all the whitespaces and special characters.
Which function returns the number of bytes of a string?LENB returns the number of bytes used to represent the characters in a text string.
What is mb_strlen?In PHP, multibyte string length (mb_strlen) function is used to get the total string length of a specified string. This function is supported in PHP 4.6. 0 or higher versions.
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