( ! ) Warning: Undefined variable $page_id in C:\wamp64\www\dmcams\service_guide_new.php on line 7
Call Stack
#	Time	Memory	Function	Location
1	0.0005	451824	{main}( )	...\service_guide_new.php:0

( ! ) Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, string given in C:\wamp64\www\dmcams\service_guide_new.php on line 8
( ! ) TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, string given in C:\wamp64\www\dmcams\service_guide_new.php on line 8
Call Stack
#	Time	Memory	Function	Location
1	0.0005	451824	{main}( )	...\service_guide_new.php:0
2	0.0063	506992	mysqli_query( $mysql = 'select document_label from document_id where id=', $query = class mysqli { public string|int $affected_rows = *uninitialized*; public string $client_info = *uninitialized*; public int $client_version = *uninitialized*; public int $connect_errno = *uninitialized*; public ?string $connect_error = *uninitialized*; public int $errno = *uninitialized*; public string $error = *uninitialized*; public array $error_list = *uninitialized*; public int $field_count = *uninitialized*; public string $host_info = *uninitialized*; public ?string $info = *uninitialized*; public string|int $insert_id = *uninitialized*; public string $server_info = *uninitialized*; public int $server_version = *uninitialized*; public string $sqlstate = *uninitialized*; public int $protocol_version = *uninitialized*; public int $thread_id = *uninitialized*; public int $warning_count = *uninitialized* } )	...\service_guide_new.php:8