class-field-formatter.php
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<?php
/**
* Class MC4WP_Field_Formatter
*
* Formats values based on what the Mailchimp API expects or accepts for the given field types.
*/
class MC4WP_Field_Formatter
{
/**
* @param mixed $value
* @param object $options
* @return array
*/
public function address($value, $options = null)
{
// auto-format if this is a string
if (is_string($value)) {
// addr1, addr2, city, state, zip, country
$address_pieces = explode(',', $value);
$address_pieces = array_filter($address_pieces);
$address_pieces = array_values($address_pieces);
// try to fill it.... this is a long shot
$value = array(
'addr1' => $address_pieces[0],
'city' => isset($address_pieces[1]) ? $address_pieces[1] : '',
'state' => isset($address_pieces[2]) ? $address_pieces[2] : '',
'zip' => isset($address_pieces[3]) ? $address_pieces[3] : '',
);
if (! empty($address_pieces[4])) {
$value['country'] = $address_pieces[4];
}
} elseif (is_array($value)) {
// merge with array of empty defaults to allow skipping certain fields
$default = array_fill_keys(array( 'addr1', 'city', 'state', 'zip' ), '');
$value = array_merge($default, $value);
}
return $value;
}
/**
* @param mixed $value
* @param object $options
* @return string
*/
public function birthday($value, $options = null)
{
$format = is_object($options) && isset($options->date_format) ? $options->date_format : 'MM/DD';
if (is_array($value)) {
// allow for "day" and "month" fields
if (isset($value['month']) && isset($value['day'])) {
$value = $value['month'] . '/' . $value['day'];
} else {
// if other array, just join together
$value = join('/', $value);
}
}
$value = trim($value);
if (empty($value)) {
return $value;
}
// always use slashes as delimiter, so next part works
$value = str_replace(array( '.', '-' ), '/', $value);
// if format = DD/MM OR if first part is definitely a day value (>12), then flip order
// this allows `strtotime` to understand `dd/mm` values
$values = explode('/', $value);
if ($format === 'DD/MM' || ( $values[0] > 12 && $values[0] <= 31 && isset($values[1]) && $values[1] <= 12 )) {
$values = array_reverse($values);
$value = join('/', $values);
}
// Mailchimp expects a MM/DD format, regardless of their display preference
$value = (string) gmdate('m/d', strtotime($value));
return $value;
}
/**
* @param mixed $value
* @param object $options
* @return string
*/
public function date($value, $options = null)
{
if (is_array($value)) {
// allow for "year", "month" and "day" keys
if (isset($value['year']) && isset($value['month']) && isset($value['day'])) {
$value = $value['year'] . '/' . $value['month'] . '/' . $value['day'];
} else {
// if other array, just join together
$value = join('/', $value);
}
}
$value = trim($value);
if (empty($value)) {
return $value;
}
// Mailchimp expects a Y-m-d format no matter the display preference
return (string) gmdate('Y-m-d', strtotime($value));
}
/**
* @param string $value
* @param object $options
* @return string
*/
public function language($value, $options = null)
{
$value = trim($value);
$exceptions = array(
'pt_PT',
'es_ES',
'fr_CA',
);
if (! in_array($value, $exceptions, true)) {
$value = substr($value, 0, 2);
}
return $value;
}
/**
* @param mixed $value
* @param object $options
* @return bool
*/
public function boolean($value, $options = null)
{
$falsey = array( 'false', '0' );
if (in_array($value, $falsey, true)) {
return false;
}
// otherwise, just cast.
return (bool) $value;
}
}