Warning: sprintf(): Too few arguments in functions.php

Question

I\'m getting this PHP error in my custom breadcrumb function:

Warning: sprintf(): Too few arguments in /srv/bindings/56058a57d7424f84adac37ba6b03d3b7

Answer 1

1. dont use % sign in your string when use sprintf method

in my case: for example:

$data = call_web_service(); // return array()
foreach ($data as $d)
echo sprintf("<div>our %65 discount is : %s </div>",
$d["discount"]
);

use %65 in my string

sprintf seek every % and if counts of them is not equal to your parameters return this error

2. dont use < ?php or ? > in your string

like this :

$weekday = "sunday";
echo sprintf("<div>our <?php echo $date;?> day is : %s </div>",
$weekday
);

Answer 2

Your sprintf string has 2 placeholders, your filling one.

<?php
// bad
echo sprintf('<a href="%1$s">%2$s</a>', 'http://example.com');

// good
echo sprintf('<a href="%1$s">%2$s</a>', 'http://example.com', 'Link Name');

https://3v4l.org/nu8Ht