PHP object-oriented identity object and php object-oriented identity

PHP object-oriented identity object and php object-oriented identity

/* Identify the object mode. The main function of this mode is to create the wehre condition string in the SQL statement. The following code and comments are available: */namespace woo \ mapper; // Field object class Field {protected $ name = null; // Field name protected $ operator = null; // operator protected $ comps = array (); // The array that stores the condition protected $ incomplete = false; // check whether the condition array has a value of function _ construct ($ name) {$ this-> name = $ name ;} // Add the where condition function addTest ($ operator, $ value) {$ this-> comps [] = array ('name' => $ this-> name, 'operator' => $ operator Ator, 'value' => $ value);} // obtain the Array function getComps () {return $ this-> comps;} function isIncomplete () {return empty ($ this-> comps) ;}// identifies the class IdentityObject {protected $ currentfield = null; // The Field object protected $ fields = array (); // The field set private $ and = null; private $ enforce = array (); // The specified valid field function _ construct ($ field = null, array $ enforce = null) {if (! Is_null ($ enforce) {$ this-> enforce = $ enforce;} if (! Is_null ($ field) {$ this-> field ($ field) ;}// obtain the qualified legal field function getObjectFields () {return $ this-> enforce ;} // The main function is to set the function field ($ fieldname) {if (! $ This-> isVoid () & $ this-> currentfield-> isIncomplete () {throw new \ Exception ("Incomplete field ");} $ this-> enforceField ($ fieldname); if (isset ($ this-> fields [$ fieldname]) {$ this-> currentfield = $ this-> fields [$ fieldname];} else {$ this-> currentfield = new Field ($ fieldname ); $ this-> fields [$ fieldname] = $ this-> currentfield;} return $ this; // use the coherent syntax} // whether the field set is empty function isVoid () {return empty ($ this-> fi Elds);} // check whether the field is valid function enforceField ($ fieldname) {if (! In_array ($ fieldname, $ this-> enforce )&&! Empty ($ this-> enforce) {$ forcelist = implode (',', $ this-> enforce ); throw new \ Exception ("{$ fieldname} not a legal field {$ forcelist}") ;}// Add the where condition function eq ($ value) to the field object) {return $ this-> operator ("=", $ value);} function lt ($ value) {return $ this-> operator ("<", $ value );} function gt ($ value) {return $ this-> operator (">", $ value);} // Add the where condition private function operator ($ symbol, $ value) {if ($ this-> isVoid) {throw new \ Exception ("no object field defined") ;}$ this-> currentfield-> addTest ($ symbol, $ value); return $ this; // use the coherent syntax} // obtain the where condition array function getComps () {$ ret = array () for all field objects in this class (); foreach ($ this-> fields as $ key => $ field) {$ ret = array_merge ($ ret, $ field-> getComps ();} return $ ret ;}} // client code $ idobj = new IdentityObject (); $ idobj-> field ("name")-> eq ("The Good Show")-> field ("start ") -> gt (time ()-> lt (time () + (24*60*60); $ test = $ idobj-> getComps (); var_dump ($ test); // output content similar to the following/* array {array ('name' => 'name', 'operator' => '= ', 'value' => 'the Good show'), array ('name' => 'start', 'operator' => ', 'value' => '000000'), // 123456 indicates the timestamp array ('name' => 'start ', 'operator' => '<', 'value' => '000000 ')}*/