'alphaNumericDashUnderscore', 'message' => 'Slug can only be letters,' . ' numbers, dash and underscore' ) ); public function alphaNumericDashUnderscore($check) { // period, dash, forward slash) ‘mdy’ e.g. 12-27-2006 or 12-27-06 (separators can be a space, period, dash, forward slash) ‘ymd’ e.g. 2006-12-27 or 06-12-27 (separators can be a space, period, dash, forward be a space, period, dash, forward slash) ‘ym’ e.g. 2006/12 or 06/12 (separators can be a space, period, dash, forward slash) ‘y’ e.g. 2006 (separators can be a space, period, dash, forward slash) If no

array( 'rule' => 'alphaNumericDashUnderscore', 'message' => 'Slug can only be letters,' . ' numbers, dash and underscore' ) ); public function alphaNumericDashUnderscore($check) { // $data array is passed period, dash, forward slash) • ‘mdy’ e.g. 12-27-2006 or 12-27-06 (separators can be a space, period, dash, forward slash) • ‘ymd’ e.g. 2006-12-27 or 06-12-27 (separators can be a space, period, dash, forward a space, period, dash, forward slash) • ‘ym’ e.g. 2006/12 or 06/12 (separators can be a space, period, dash, forward slash) • ‘y’ e.g. 2006 (separators can be a space, period, dash, forward slash) If

for $replacement argument of Cake\Utility\Inflector::slug() has been changed from underscore (_) to dash (-). Using dashes to separate words in URLs is the popular choice and also recommended by Google.

for $replacement argument of Cake\Utility\Inflector::slug() has been changed from underscore (_) to dash (-). Using dashes to separate words in URLs is the popular choice and also recom- mended by Google