/**
* @param Property[] $properties
* @param array $args {
* @type integer|null $tab_count
* @type string $trim
* }
*
* @return string
*/
function get_php_initializers($properties, $args = array())
{
static $depth = 0;
if (0 === $depth++) {
/*
* Many properties can accept defaults.
* So remove them from the array so we
* don't have to generate them redundantly.
*/
$properties = $this->filter_redundant($properties);
}
$args = Util::parse_args($args, array('tab_count' => 3, 'trim' => 'trim'));
$output = array();
$tabs = str_repeat("\t", $args['tab_count']);
/**
* Find the longest name so we can later pad between the
* single-quoted name and the => operator to align the values.
*/
$max_name_length = 0;
$tracker = 0;
$is_associative = false;
foreach (array_keys($properties) as $index) {
if ($index !== $tracker++) {
$is_associative = true;
break;
}
}
/**
* @var Property $property
*/
foreach ($properties as $property_name => $property) {
if ($property instanceof Property) {
$value = $this->get_object_value($property_name);
$value = $property->cast($value);
} else {
/*
* For when called recursively on numerically-indexed
* or other non-property arrays
*/
$value = $property;
}
if (is_null($value)) {
continue;
}
$prefix = $is_associative ? "{$tabs}'{$property_name}' => " : $tabs;
switch (gettype($value)) {
case 'string':
$output[] = "{$prefix}'{$value}',";
break;
case 'integer':
if (0 === $value && $property->is_true('omit_if_zero')) {
continue;
}
$output[] = "{$prefix} {$value},";
break;
case 'boolean':
$bool = $value ? 'true' : 'false';
$output[] = "{$prefix} {$bool},";
break;
case 'array':
$values = $this->get_php_initializers((array) $value, array('tab_count' => 1 + $args['tab_count'], 'trim' => 'notrim'));
$output[] = "{$prefix} array(\n{$values}\n{$tabs}),";
break;
case 'object':
$as_array = $this->get_php_initializers((array) $value, $args);
$output[] = preg_replace("#(=>\\s+)(array\\()#", '=>$1(object) $2', $as_array);
break;
default:
break;
}
$max_name_length = max(strlen($property_name), $max_name_length);
}
if ($extra = $max_name_length % 4) {
$max_name_length += 4 - $extra;
}
foreach ($output as $index => $line) {
/**
* Calculate the padding were four spaces get a tab between the
* single-quoted name and the => operator to align the values.
*/
$whitespace = $max_name_length - strpos(trim($line), '=>') + self::TAB_WIDTH;
$extra_tab = 0 !== $whitespace % self::TAB_WIDTH;
$num_tabs = $whitespace >= self::TAB_WIDTH ? floor($whitespace / self::TAB_WIDTH) : 0;
$padding = str_repeat("\t", $num_tabs) . ($extra_tab ? "\t" : '');
$output[$index] = str_replace('=>', "{$padding}=>", $output[$index]);
}
$output = implode("\n", $output);
$depth--;
return 'trim' === $args['trim'] ? ltrim($output) : $output;
}
