PHP strlen() Function
Example
The function returns the length of the string "Shanghai":
<?php
echo strlen("Shanghai");
?>
Definition and Usage
The strlen() function returns the length of the string.
Syntax
strlen(string)
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to be checked. |
Technical Details
| Return Value: | Returns the length of the string if successful, and 0 if the string is empty. |
| PHP Version: | 4+ |
| Update Log: | Before PHP 5.3.0, the function treated the array as a string Array, so it returned a string of length 5 and generated an E_NOTICE level error. |
More Examples
Example 1
Return the length of the string "I love Shanghai!":
<?php
echo strlen("I love Shanghai!");
?>
