Get the String’s Length

There are times when you need to know the length of a string. For example, if you are checking for a string and you want to know if it’s at the end of another string, then you need to know the length of what you are looking for first. That’s a good example.

Let’s get you started learning about string lengths, how it’s processed (character vs. byte count), and character encoding. In this episode, you’ll work with the PHP instruction strlen. This instruction counts the number of bytes in the string, not the number of characters. For now, don’t worry about that difference. We’ll talk more about bytes versus characters, encoding, and languages in the next episode.

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Additional Resources

• Type Juggling – in Docx
• Type Juggling – lab
• mb_strlen
• strlen