How to find string length in PHP

Answer: Use the PHP strlen() function You can use the PHP strlen() to get the length of a string. The strlen() function return the length of the string on success, and 0 if the string is empty.

Post Your Answer Discard By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. Find the character set used, and pass it explicitly to the length function. What if we have a string and we want to check if it's less than or equal to 5?

I have a string that is characters in length. Using the following code I have an if statement to return a message if the string is greater or less than
In PHP, the total number of elements in an array can be calculated by a couple of PHP functions count() and sizeof(), where as the sizeof() is an alias of the master function count(). We are going to see about these functions in this article in detail with suitable examples for calculating PHP array length.
I have a string that is characters in length. Using the following code I have an if statement to return a message if the string is greater or less than
I have a string that is characters in length. Using the following code I have an if statement to return a message if the string is greater or less than
Finding the length of a string in PHP is easy using the appropriately named strlen function. This PHP function is one of the more readily understood functions as it takes only a single parameter, which is the string to check the length of.
PHP Length Function strlen Syntax

Bookmark PHP array length

Get php array length. In this tutorial I will show you how to determine the length and / or the size of a PHP array. You will learn the most important methods how to use PHP functions to get length, size and memory used by the array information.

By making a micro-optimisation such as this early, you lose a communicative aspect to your code. What if I want to check if a string is greater than 6? These cases should only be targeted for optimisation when actually needed, by taking this practice into common use you may lose more than you gain. Take a look at the mbstring. Nice trick with isset anyway. Our top choice overall is the Kurgo http: September 29, You can give it a try Why this happen?

The Right Way well if you're sure the string wont has any unicode letters or you really want to count the bytes not letters then strlen will be okay. Compare String length What if we have a string and we want to check if it's less than or equal to 5? The first thing to get in your mind is to do so: Add your questions as comment if you have any, Goodluck: Written by Samer Moustafa. June 10, June 11, June 20, June 26, Emmerman 2, 10 8.

ZeissS 8, 3 27 I'm fairly rue casting an array to string will get you the word 'Array', which is what's already implicitly happening in the OP's post since strlen expects a string. I was almost there, fixed this.. An XPath solution is to use: Dimitre Novatchev k 21 Nolwennig 10 Capitaine 1, 3 21 Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password.

Definition and Usage

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. Definition and Usage. The strlen() function returns the length of a string. In PHP, the total number of elements in an array can be calculated by a couple of PHP functions count() and sizeof(), where as the sizeof() is an alias of the master function count(). We are going to see about these functions in this article in detail with suitable examples for calculating PHP array length.