<?php
Chain::addTerminal('join', function ($data, $joiner = '', $terminalJoiner = null, $ifEmpty = '') {
if (is_null($terminalJoiner)) {
$terminalJoiner = $joiner;
}
switch (count($data)) {
case 0:
return $ifEmpty;
case 1:
return $data[0];
case 2:
return join($terminalJoiner, $data);
default:
$last = array_pop($data);
return join($terminalJoiner, [join($joiner, $data), $last]);
}
});
<?php
Chain::addTerminal('sum', function ($data) {
return array_sum($data);
});
<?php
Chain::addTerminal('shift', function ($data) {
return array_shift($data);
});
<?php
Chain::addTerminal('first', function ($data, $ifEmpty = null) {
return empty($data) ? $ifEmpty : array_values($data)[0];
});
<?php
Chain::addTerminal('reduce', function ($data, $action, $initial = null) {
return array_reduce($data, $action, $initial);
});
<?php
Chain::addTerminal('product', function ($data) {
return array_product($data);
});
<?php
Chain::addTerminal('asEnglish', function ($data, $ifEmpty = '') {
return count($data) == 2 ? hooray($data)->join(' and ') : hooray($data)->join(', ', ', and ', $ifEmpty);
});
<?php
Chain::addTerminal('pop', function ($data) {
return array_pop($data);
});
