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dashboardPHP.php
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dashboardPHP.php
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<?php
require_once ("db_conn.php");
$conn = connect_db();
$all_student_count_statement =
"SELECT COUNT(*) FROM (SELECT `school_id` from `tbl_cwts`) as id";
$all_rotc_count_statement =
"SELECT COUNT(*) FROM
(SELECT `school_id` from `tbl_cwts` WHERE `nstp` = \"ROTC\") as id";
$all_cwts_count_statement = "SELECT COUNT(*) FROM
(SELECT `school_id` from `tbl_cwts` WHERE `nstp` = \"CWTS\") as id";
global $conn, $all_student_count_statement, $all_rotc_count_statement,
$all_cwts_count_statement;
function get_sql_query_result(string $query): bool | mysqli_result {
global $conn;
$result = $conn->query($query);
if ($conn->error) {
error_log("SQL Error: ".$conn->error);
return false;
}
return $result;
}
function get_all_student_count(): int | string {
global $all_student_count_statement;
$result = get_sql_query_result($all_student_count_statement);
$row = $result->fetch_assoc();
$result->free_result();
return intval($row['COUNT(*)']);
}
function get_rotc_student_count(): int | string {
global $all_rotc_count_statement;
$result = get_sql_query_result($all_rotc_count_statement);
$row = $result->fetch_assoc();
$result->free_result();
return intval($row['COUNT(*)']);
}
function get_cwts_student_count(): int | string {
global $all_cwts_count_statement;
$result = get_sql_query_result($all_cwts_count_statement);
$row = $result->fetch_assoc();
$result->free_result();
return intval($row['COUNT(*)']);
}