/
CountInField.php
66 lines (53 loc) · 2.19 KB
/
CountInField.php
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<?php
/*
"Contact Form to Database" Copyright (C) 2011-2012 Michael Simpson (email : michael.d.simpson@gmail.com)
This file is part of Contact Form to Database.
Contact Form to Database is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Contact Form to Database is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Contact Form to Database.
If not, see <http://www.gnu.org/licenses/>.
*/
require_once('HistogramTransform.php');
class CountInField extends HistogramTransform {
var $delimiter = ',';
function __construct($valueField, $groupByField = null, $delimiter = null) {
parent::__construct($valueField, $groupByField);
if ($delimiter) {
$this->delimiter = $delimiter;
}
}
public function addEntry(&$entry) {
if (array_key_exists($this->valueField, $entry)) {
$value = $entry[$this->valueField];
$valueList = explode($this->delimiter, $value);
foreach ($valueList as $aValue) {
$groupByName = $aValue;
if ($value !== null && $value !== '') {
if (array_key_exists($groupByName, $this->values)) {
$this->values[$groupByName]++;
} else {
$this->values[$groupByName] = 1;
}
}
}
}
}
public function getTransformedData() {
$data = array();
foreach ($this->values as $name => $value) {
if (empty($this->groupByField)) {
$data[] = array($this->valueField => $value);
} else {
$data[] = array($this->valueField => $name, $this->groupByField => $value);
}
}
return $data;
}
}