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Simple and Dynamic Server-side Form Validation

/ Published in: PHP
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A simple and dynamic server-side form validation script.

Setup:
1. Insert the field names in the $inputName array and the field descriptions in the respective array pointers in the $inputDesc array.
2. Change the $method to the respective method chosen.

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  1. $method = 'GET';
  2.  
  3. $count = 0;
  4. $errorArray = array();
  5.  
  6. $inputName = array('vit_name', 'vit_nickname', 'vit_test');
  7. $inputDesc = array('Name', 'Nickname', 'Test');
  8.  
  9. if($_SERVER['REQUEST_METHOD']==$method) {
  10. 	$name = '_'.$method;
  11. 	foreach($inputName as $ele) {
  12. 		if ( empty(${$name}[$ele]) ) { array_push($errorArray, "Please enter a ".$inputDesc[$count]."."); }
  13. 		else { }
  14. 		$count++;
  15. 	}
  16. 	if( !empty($errorArray) ) {
  17. 		for($i=0;$i<sizeof($errorArray);$i++) {
  18. 			echo $errorArray[$i]."<br />";
  19. 		}
  20. 	}
  21. }

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