Working with Unique Values : array_unique « Data Structure « PHP






  1. PHP
  2. Data Structure
  3. array_unique

Working with Unique Values

 
<?php
  $countries = array( 'USA' => 'English', 'Spain' => 'Spanish',
                      'Brasil' => 'Portuguese', 'UK' => 'English',
                      'France' => 'French', 'Argentina' => 'Spanish');

  $languages = array_unique($countries);
  printf("<pre>%s</pre>\n", var_export($languages, TRUE));

  $languages = array_unique( array_values($countries) );
  printf("<pre>%s</pre>\n", var_export($languages, TRUE));

  $languages = array_values( array_unique($countries) );
  printf("<pre>%s</pre>\n", var_export($languages, TRUE));
?>








Related examples in the same category

1.To get the unique values in an array: array_unique() function
2.array_unique( ) filters an array so that a value can only appear once.