- in_array: documentation ( source)
<?php
$userdb = [
[
'100',
'Sandra',
'urlof100'
],
[ '5465',
'Stefanie',
'urlof5465'
],
[ '40489',
'Michael',
'urlof40489'
]
];
foreach($userdb as $k => $v) {
if (is_array($v) && in_array('Sandra',$v)) {
echo "Yes, \"Sandra\" in array at row $k\n";
}
}