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<?php
# Movable Type (r) Open Source (C) 2001-2012 Six Apart, Ltd.
# This program is distributed under the terms of the
# GNU General Public License, version 2.
#
# $Id$
function smarty_function_mtvar($args, &$ctx) {
// status: complete
// parameters: name
if ( array_key_exists('value', $args)
&& !array_key_exists('op', $args) ) {
require_once("function.mtsetvar.php");
return smarty_function_mtsetvar($args, $ctx);
}
require_once("MTUtil.php");
$vars =& $ctx->__stash['vars'];
$value = '';
$name = $args['name'];
$name or $name = $args['var'];
if (preg_match('/^(config|request)\.(.+)$/i', $name, $m)) {
if (strtolower($m[1]) == 'config') {
if (!preg_match('/password|secret/i', $m[2])) {
$mt = MT::get_instance();
return $mt->config(strtolower($m[2]));
}
}
elseif (strtolower($m[1]) == 'request') {
return $_REQUEST[$m[2]];
}
}
if (!$name) return '';
if (preg_match('/^(\w+)\((.+)\)$/', $name, $matches)) {
$func = $matches[1];
$name = $matches[2];
} else {
if (array_key_exists('function', $args))
$func = $args['function'];
}
# pick off any {...} or [...] from the name.
if (preg_match('/^(.+)([\[\{])(.+)[\]\}]$/', $name, $matches)) {
$name = $matches[1];
$br = $matches[2];
$ref = $matches[3];
if (preg_match('/^\$(.+)/', $ref, $ref_matches)) {
$ref = $vars[$ref_matches[1]];
if (!isset($ref))
$ref = chr(0);
}
$br == '[' ? $index = $ref : $key = $ref;
} else {
if (array_key_exists('index', $args))
$index = $args['index'];
else if (array_key_exists('key', $args))
$key = $args['key'];
}
if (preg_match('/^\$/', $name)) {
$name = $vars[$name];
if (!isset($name))
return $ctx->error($ctx->mt->translate(
"You used a [_1] tag without a valid name attribute.", "<MT$tag>" ));
}
if (isset($vars[$name]))
$value = $vars[$name];
if ( !is_array($value)
&& preg_match('/^smarty_fun_[a-f0-9]+$/', $value) ) {
if (function_exists($value)) {
ob_start();
$value($ctx, array());
$value = ob_get_contents();
ob_end_clean();
} else {
$value = '';
}
}
$return_val = $value;
if (isset($name)) {
if (is_hash($value)) {
if ( isset($key) ) {
if ( isset($func) ) {
if ( 'delete' == strtolower($func) ) {
$return_val = $value[$key];
unset($value[$key]);
$vars[$name] = $value;
} else {
return $ctx->error(
$ctx->mt->translate("'[_1]' is not a valid function for a hash.", $func)
);
}
} else {
if ($key != chr(0)) {
$return_val = $value[$key];
} else {
unset($value);
}
}
}
elseif ( isset($func) ) {
if ( 'count' == strtolower($func) ) {
$return_val = count(array_keys($value));
}
else {
return $ctx->error(
$ctx->mt->translate("'[_1]' is not a valid function for a hash.", $func)
);
}
}
else {
if (array_key_exists('to_json', $args) && $args['to_json']) {
if (function_exists('json_encode')) {
$return_val = json_encode($value);
} else {
$return_val = '';
}
}
}
}
elseif (is_array($value)) {
if ( isset($index) ) {
if (is_numeric($index)) {
$return_val = $value[ $index ];
} else {
unset($value); # fall through to any 'default'
}
}
elseif ( isset($func) ) {
$func = strtolower($func);
if ( 'pop' == $func ) {
$return_val = array_pop($value);
$vars[$name] = $value;
}
elseif ( 'shift' == $func ) {
$return_val = array_shift($value);
$vars[$name] = $value;
}
elseif ( 'count' == $func ) {
$return_val = count($value);
}
else {
return $ctx->error(
$ctx->mt->translate("'[_1]' is not a valid function for an array.", $func)
);
}
}
elseif (array_key_exists('to_json', $args) && $args['to_json']) {
if (function_exists('json_encode')) {
$return_val = json_encode($value);
} else {
$return_val = '';
}
}
else {
$return_val = implode($value);
}
}
if ( array_key_exists('op', $args) ) {
$op = $args['op'];
$rvalue = $args['value'];
if ( $op && isset($value) && !is_array($value) ) {
$return_val = _math_operation($op, $value, $rvalue);
if (!isset($return_val)) {
return $ctx->error($ctx->mt->translate("[_1] [_2] [_3] is illegal.", array($value, $op, $rvalue)));
}}
}
}
if ($return_val == '') {
if (isset($args['default'])) {
$return_val = $args['default'];
}
}
if (isset($args['escape'])) {
$esc = strtolower($args['escape']);
if ($esc == 'js') {
$return_val = encode_js($return_val);
} elseif ($esc == 'html') {
$mt = MT::get_instance();
$charset = $mt->config('PublishCharset');
$return_val = htmlentities($return_val, ENT_COMPAT, $charset);
} elseif ($esc == 'url') {
$return_val = urlencode($return_val);
$return_val = preg_replace('/\+/', '%20', $return_val);
}
}
return $return_val;
}
?>
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