Core Function
View Source on Trac ↗ _mb_substr()
_mb_substr( mixed $str, mixed $start, mixed $length = null, mixed $encoding = null ) Internal compat function to mimic mb_substr().
Parameters 4 required
| Name / Type | Description |
|---|---|
| $str string | The string to extract the substring from. Required |
| $start int | Position to being extraction from in `$str`. Required |
| mixed | (int | null) $length Optional. Maximum number of characters to extract from `$str`. Default null. Required |
| (string | | null) $encoding Optional. Character encoding to use. Default null. Required |
Return Value
(string)
Extracted substring.
Function Information
Since Version
3.2.0
Source File
wp-includes/compat.php
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