Signature
strlen ( string $string ) : int
Description
Return the length of given string. If the stinng is empty, it return 0.
Example
strlen('Hello') return 5 bytes
strlen('Helloته') return 9 bytes
Note:
strlen() method return number of bytes consumed by this string, rather than number of characters.
strlen_demo.php
#!/usr/bin/php
<?php
$str1 = 'Hello';
// strlen function do not return number of chars, it return number of bytes
$str2 = 'Helloته';
$length1 = strlen($str1);
$length2 = strlen($str2);
echo "\$str1 : $str1, length : $length1 \n";
echo "\$str2 : $str2, length : $length2 \n";
?>
Output
$./strlen_demo.php
$str1 : Hello, length : 5
$str2 : Helloته, length : 9
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