LaravelConf Taiwan 2020 CFP Started

strlen

(PHP 4, PHP 5, PHP 7)

strlenGet string length

Descrierea

strlen ( string $string ) : int

Returns the length of the given string.

Parametri

string

The string being measured for length.

Valorile întoarse

The length of the string on success, and 0 if the string is empty.

Istoricul schimbărilor

Versiune Descriere
5.3.0 Prior versions treated arrays as the string Array, thus returning a string length of 5 and emitting an E_NOTICE level error.

Exemple

Example #1 A strlen() example

<?php
$str 
'abcdef';
echo 
strlen($str); // 6

$str ' ab cd ';
echo 
strlen($str); // 7
?>

Note

Notă:

strlen() returns the number of bytes rather than the number of characters in a string.

Notă:

strlen() returns NULL when executed on arrays, and an E_WARNING level error is emitted.

A se vedea și

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top