Cannot redeclare two functions

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How can I solve the following issue with the code attached? Seems that somehow WordPress (or some kind of plugin) is calling the function twice. 

function my_wpcf7_form_elements($html) {
    function ov3rfly_replace_include_blank($name, $text, &$html) {
        $matches = false;
        preg_match('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $html, $matches);
        if ($matches) {
            $select = str_replace('<option value="">---</option>', '<option value="">' . $text . '</option>', $matches[0]);
            $html = preg_replace('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $select, $html);
        }
    }
    ov3rfly_replace_include_blank('countrylist', 'España', $html);
    return $html;
}
add_filter('wpcf7_form_elements', 'my_wpcf7_form_elements');

Fatal error: Cannot redeclare ov3rfly_replace_include_blank() (previously declared in /Applications/XAMPP/xamppfiles/htdocs/w/wp-content/themes/bulwark_child/functions.php:21) in /Applications/XAMPP/xamppfiles/htdocs/w/wp-content/themes/bulwark_child/functions.php on line 21

Post Views: 1

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2 comments

  1. Dont nest the functions – your current code declares the inner function every time the outer function is called, thereby causing the error the second time:

    function ov3rfly_replace_include_blank($name, $text, &$html) {
    $matches = false;
    preg_match('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $html, $matches);
    if ($matches) {
        $select = str_replace('<option value="">---</option>', '<option value="">' . $text . '</option>', $matches[0]);
        $html = preg_replace('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $select, $html);
    }
}
function my_wpcf7_form_elements($html) {

    ov3rfly_replace_include_blank('countrylist', 'España', $html);
    return $html;
}
add_filter('wpcf7_form_elements', 'my_wpcf7_form_elements');

  2. Check this file for re declare function as error message suggested

    /Applications/XAMPP/xamppfiles/htdocs/w/wp-content/themes/bulwark_child/functions.php:21

    rename one function and see whether it working or not

    Write a separate function,multiple function calling in nested function: 

    function my_wpcf7_form_elements($html) {

ov3rfly_replace_include_blank('countrylist', 'España', $html);
return $html;
}



function ov3rfly_replace_include_blank($name, $text, &$html) {
        $matches = false;
        preg_match('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $html, $matches);
    if ($matches) {
        $select = str_replace('<option value="">---</option>', '<option value="">' . $text . '</option>', $matches[0]);
        $html = preg_replace('/<select name="' . $name . '"[^>]*>(.*)</select>/iU', $select, $html);
    }
}
add_filter('wpcf7_form_elements', 'my_wpcf7_form_elements');

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