57 lines
992 B
PHP
57 lines
992 B
PHP
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<?php namespace ProcessWire;
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/**
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* ProcessWire Fields Array
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*
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* WireArray of Field instances, as used by Fields class
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*
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* ProcessWire 3.x, Copyright 2016 by Ryan Cramer
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* https://processwire.com
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*
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*/
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class FieldsArray extends WireArray {
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/**
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* Per WireArray interface, only Field instances may be added
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*
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* @param Wire $item
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* @return bool
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*
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*/
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public function isValidItem($item) {
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return $item instanceof Field;
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}
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/**
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* Per WireArray interface, Field keys have to be integers
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*
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* @param int $key
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* @return int
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*
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*/
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public function isValidKey($key) {
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return is_int($key) || ctype_digit($key);
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}
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/**
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* Per WireArray interface, Field instances are keyed by their ID
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*
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* @param Field $item
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* @return int
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*
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*/
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public function getItemKey($item) {
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return $item->id;
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}
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/**
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* Per WireArray interface, return a blank Field
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*
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* @return Field
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*
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*/
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public function makeBlankItem() {
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return $this->wire(new Field());
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}
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}
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