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Singapore Postal Code to District Name

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Takes a Singapore Postal Code and outputs its corresponding district name

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  1. <?php
  2.  
  3. //Example
  4. dco_get_district("160149");
  5.  
  6. /*	##################################
  7. 	CONVERT POSTAL CODE TO DISTRICT NUMBER AND NAME
  8. 	################################## */
  9.  
  10. function dco_get_district($postal) {
  11.  
  12. //Define the 28 Districts
  13. $districts = array(
  14. 	'D01 City - Business District'=>array(
  15. 		'01',
  16. 		'02',
  17. 		'03',
  18. 		'04',
  19. 		'05',
  20. 		'06'
  21. 	),
  22. 	'D02 City - Business District'=>array(
  23. 		'07',
  24. 		'08'
  25. 	),
  26. 	'D03 Central South'=>array(
  27. 		'14',
  28. 		'15',
  29. 		'16'
  30. 	),
  31. 	'D04 South'=>array(
  32. 		'09',
  33. 		'10'
  34. 	),
  35. 	'D05 South West'=>array(
  36. 		'11',
  37. 		'12',
  38. 		'13'
  39. 	),
  40. 	'D06 City - Business District'=>array(
  41. 		'17'
  42. 	),
  43. 	'D07 City'=>array(
  44. 		'18',
  45. 		'19'
  46. 	),
  47. 	'D08 Central'=>array(
  48. 		'20',
  49. 		'21'
  50. 	),
  51. 	'D09 Central - Orchard'=>array(
  52. 		'22',
  53. 		'23'
  54. 	),
  55. 	'D10 Central - Near Orchard'=>array(
  56. 		'24',
  57. 		'25',
  58. 		'26',
  59. 		'27'
  60. 	),
  61. 	'D11 Central - Near Orchard'=>array(
  62. 		'28',
  63. 		'29',
  64. 		'30'
  65. 	),
  66. 	'D12 Central'=>array(
  67. 		'31',
  68. 		'32',
  69. 		'33'
  70. 	),
  71. 	'D13 Central East'=>array(
  72. 		'34',
  73. 		'35',
  74. 		'36',
  75. 		'37'
  76. 	),
  77. 	'D14 Central East'=>array(
  78. 		'38',
  79. 		'39',
  80. 		'40',
  81. 		'41'
  82. 	),
  83. 	'D15 East Coast'=>array(
  84. 		'42',
  85. 		'43',
  86. 		'44',
  87. 		'45'
  88. 	),
  89. 	'D16 Upper East Coast'=>array(
  90. 		'46',
  91. 		'47',
  92. 		'48'
  93. 	),
  94. 	'D17 Far East'=>array(
  95. 		'49',
  96. 		'50',
  97. 		'81'
  98. 	),
  99. 	'D18 Far East'=>array(
  100. 		'51',
  101. 		'52'
  102. 	),
  103. 	'D19 North East'=>array(
  104. 		'53',
  105. 		'54',
  106. 		'55',
  107. 		'82'
  108. 	),
  109. 	'D20 Central North'=>array(
  110. 		'56',
  111. 		'57'
  112. 	),
  113. 	'D21 Central West'=>array(
  114. 		'58',
  115. 		'59'
  116. 	),
  117. 	'D22 Far West'=>array(
  118. 		'60',
  119. 		'61',
  120. 		'62',
  121. 		'63',
  122. 		'64'
  123. 	),
  124. 	'D23 North West'=>array(
  125. 		'65',
  126. 		'66',
  127. 		'67',
  128. 		'68'
  129. 	),
  130. 	'D24 Far North West'=>array(
  131. 		'69',
  132. 		'70',
  133. 		'71',
  134. 	),
  135. 	'D25 Far North'=>array(
  136. 		'72',
  137. 		'73'
  138. 	),
  139. 	'D26 North'=>array(
  140. 		'77',
  141. 		'78'
  142. 	),
  143. 	'D27 Far North'=>array(
  144. 		'75',
  145. 		'76'
  146. 	),
  147. 	'D28 North East'=>array(
  148. 		'79',
  149. 		'80'
  150. 	)
  151. );
  152.  
  153. //Districts are determined by first 2 digits of the postal code
  154. $firstTwoDigits = substr($postal, 0, 2);
  155.  
  156. //Find corresponding district
  157. foreach( $districts as $districtName=>$digits )
  158. {
  159. 	foreach( $digits as $digit)
  160. 	{
  161. 		if( $digit == $firstTwoDigits)
  162. 		{
  163. 			return $districtName;
  164. 		}
  165. 	}
  166. }	
  167.  
  168. }
  169.  
  170. ?>

URL: http://www.shophouses.sg

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