Php select function

PHP function select

This function makes HTML Select option from array.

Syntax select

• array: array input for select option
• select_value: default select value (for associative array, is the array key)
• select_name: Name the select option
• return (option): default value is 0, return value or not
  • return=0: not return
  • return=1: return
• option (optional):
  • option=3: array key is the option value, and the array value is the label.
  • option=2: array elements become value and label
  • option=1: array element become the label, and the array index is the value.

select(array, select_value,select_name, return=0, option=1);

Function select()

<?php

function select($array, $select_value, $select_name="MY_SELECT_NAME", $return=0, $option=1) {

	$select_str;
	$select_str = '<select name="' . $select_name . '">';
	$select_str.= '<option value="none">Select...</option>';

	if ($option == 1) {
		for ($i = 0; $i < count($array); $i++) {
			if ($array[$i] == $select_value) {
				$select_str.= '<option value="' . $i . '" selected="selected">';
				$select_str.= $array[$i];
				$select_str.= '</option>';
			} else {
				$select_str.= '<option value="' . $i . '">';
				$select_str.= $array[$i];
				$select_str.= '</option>';
			}
		}
	} else if ($option == 2) {
		for ($i = 0; $i < count($array); $i++) {
			if ($array[$i] == $select_value) {
				$select_str.= '<option value="' . $array[$i] . '" selected="selected">';
				$select_str.= $array[$i];
				$select_str.= '</option>';
			} else {
				$select_str.= '<option value="' . $array[$i] . '">';
				$select_str.= $array[$i];
				$select_str.= '</option>';
			}
		}
	} else if ($option == 3) {
		foreach ($array as $k => $v) {
			if ($k == $select_value) {
				$select_str.= '<option value="' . $k . '" selected="selected">';
				$select_str.= $v;
				$select_str.= '</option>';
			} else {
				$select_str.= '<option value="' . $k . '">';
				$select_str.= $v;
				$select_str.= '</option>';
			}
		}
	}
	$select_str.= '</select>';
	if ($return) {
		return $select_str;
	} else {
		echo $select_str;
	}
}
?>

Example 1:Array index is the select option values

<?php 
require_once 'select.php';
$my_array = array('BMW', 'Ford', 'Honda', 'Toyota', 'Lexus', 'KIA', 'SCION');
$default_value = 'KIA';

select($my_array, $default_value, 'MY_CAR');
?>

Output

<select name="MY_CAR">
<option value="none">Select...</option>
<option value="0">BMW</option>
<option value="1">Ford</option>
<option value="2">Honda</option>
<option value="3">Toyota</option>
<option value="4">Lexus</option>
<option value="5" selected="selected">KIA</option>
<option value="6">SCION</option>
</select>

Example 2: Make array value is the select option values and label

<?php 
require_once 'select.php';
$my_array = array('BMW', 'Ford', 'Honda', 'Toyota', 'Lexus', 'KIA', 'SCION');
$default_value = 'KIA';

select($my_array, $default_value, 'ALL_CAR', 0, 2);
?>

Output

<select name="ALL_CAR">
<option value="none">Select...</option>
<option value="BMW">BMW</option>
<option value="Ford">Ford</option>
<option value="Honda">Honda</option>
<option value="Toyota">Toyota</option>
<option value="Lexus">Lexus</option>
<option value="KIA" selected="selected">KIA</option>
<option value="SCION">SCION</option>
</select>

Example 3:Array key is the select option value

<?php 
require_once 'select.php';
$my_array = array(
	 'a3' => 'A4 Serial 400',
	 'a4' => 'A4 Serial 453',
	 'bm31' => 'BMW Serial 31.4',
	 'bm23' => 'Super Mini');
select($my_array,'a4','CALL_CAR',0,3);
?>

Output

<select name="CALL_CAR">
<option value="none">Select...</option>
<option value="a3">A4 Serial 400</option>
<option value="a4" selected="selected">A4 Serial 453</option>
<option value="bm31">BMW Serial 31.4</option>
<option value="bm23">Super Mini</option>
</select>