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<?php $postcodes = array( 'NE', 'NG', 'PE' ); function matches($needle, $postcodes) { foreach ($postcodes as $postcode) { if ($postcode === substr($needle, 0, strlen($postcode))) { return true; } } return false; } foreach (array('NE1', 'RG', 'PE') as $needle) { printf( "%s %s\n", $needle, matches($needle, $postcodes) ? 'matches' : 'does not match' ); } /* NE1 matches RG does not match PE matches */
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
NE1 matches RG does not match PE matches
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241.78 ms | 405 KiB | 359 Q