What is the significance of the error message "undefined function: str_split()" in PHP version 4.4.1?

The error message "undefined function: str_split()" in PHP version 4.4.1 indicates that the function str_split() is not available in this version of PHP. To solve this issue, you can manually implement the functionality of str_split() by using the str_split_custom() function. 

function str_split_custom($string, $split_length = 1) {
    $array = array();
    $len = strlen($string);
    for ($i = 0; $i < $len; $i += $split_length) {
        $array[] = substr($string, $i, $split_length);
    }
    return $array;
}

// Example usage
$string = "Hello";
$split_array = str_split_custom($string);
print_r($split_array);

Keywords

PHP version 4.4.1 error message undefined function str_split

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