i have an array
$parms = array('1' => 'a', 'b' => array(3 => 'test'));
i want $mail = '1:a 3:test';
array_walk_recursive($parms, function($val, $key, &$mail) {
$mail .= ucwords($key) . ': '. ucwords($val) . "\n";
}, &$mail);
The above function worked perfectly well
but i am getting: Call-time pass-by-reference has been deprecated in
/var/www/html/test.php on line 31
if i change it to
array_walk_recursive($parms, function($val, $key, &$mail) {
$mail .= ucwords($key) . ': '. ucwords($val) . "\n";
}, $mail);
i am not getting the error but $mail is not being returned.
ny solution ?
Regards
KK
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