0 views 
Summery Summery
substr() implementation that isn’t brittle to mbstring.func_overload
Syntax Syntax
Description Description
This version just uses the default substr()
Parameters Parameters
- $binary_string
-
(Required)
- $start
-
(Required)
- $length
-
(Optional) (optional)
Default value: null
Return Return
(string)
Source Source
File: wp-includes/random_compat/byte_safe_strings.php
function RandomCompat_substr($binary_string, $start, $length = null)
{
if (!is_string($binary_string)) {
throw new TypeError(
'RandomCompat_substr(): First argument should be a string'
);
}
if (!is_int($start)) {
throw new TypeError(
'RandomCompat_substr(): Second argument should be an integer'
);
}
if ($length !== null) {
if (!is_int($length)) {
throw new TypeError(
'RandomCompat_substr(): Third argument should be an integer, or omitted'
);
}
return (string) substr($binary_string, $start, $length);
}
return (string) substr($binary_string, $start);
}
