Simple Function to Insert data into MySql database using PHP

The below simple php function is used to insert data into MySql database with out manually filling the insert mysql query with input filed names.

Function:

function insert_Defined($table, $array,$ins=''){ 
// insert('table', array_map('trim',$_POST));

    global $db;

    $query = "INSERT INTO" . ' ' . $table;

    $fis = array(); $vas = array();

   

    foreach ($array as $field => $val) {

        $fis[] = "`$field`";

        $vas[] = ($val != "NOW()") ? "'" . mysqli_real_escape_string($db,$val) . "'" : "NOW()";

    }

   

    $query .= "(" . implode(",", $fis) . ") VALUES (" . implode(",", $vas) . ")";

    //echo $query;exit;

    Query($query);if(!empty($ins)){$ins_id=mysqli_insert_id($db);return $ins_id;}

}

Form:
<form action="" method="post" name="designation" id="designation">
  <span class="label">Department Name <span class="red">*</span></span>
  <select name="desg_dept_id" id="desg_dept_id" placeholder="Department Name" style="width: 310px" required>
    <option value="">Select Department Name</option>
    <option value="1">Dept 1</option>
    <option value="2">Dept 2</option>
    <option value="3">Dept 3</option>
  </select>
  <br>
  <span class="label">Designation Name <span class="red">*</span></span>
  <input name="desg_name" id="desg_name" type="text" value="" required>
  <br>
  <span class="label">Designation Abbreviation <span class="red">*</span></span>
  <input name="desg_abbreviation" id="desg_abbreviation" type="text" value="" required>
  <br>
  <span class="label">Description</span>
  <textarea name="desg_description" id="desg_description" value="" ></textarea><br>
  <input name="" type="submit" value="Submit" class="button-green">
  <input name="reset" type="reset" value="Cancel" class="button-orange ml10" onClick="history.back()">
</form>

Function Calling for Insertion data into MySql.

insert_Defined('designations', array_map('trim',$_POST));

Note: 

The $_POST is a array. The names of posted form input fields need to match with database "designations" table column names.