<?php
require __DIR__ . '/lib/base.php';
#F3::set('CACHE',TRUE);
F3::set('DEBUG', 1);
F3::set('UI', 'ui/');
F3::set('IMPORTS', 'imports/');
F3::set('FACEBOOK.client_id', '***REMOVED***');
F3::set('FACEBOOK.client_secret', '***REMOVED***');
F3::set('FACEBOOK.redirect_uri', 'http://singleyet.com/login/');
F3::set('FACEBOOK.session_key', F3::resolve('fb_{{@FACEBOOK.client_id}}_access_token'));
F3::set('DB', new DB('mysql:host=localhost;port=3306;dbname=singleyet', 'singleyet', '***REMOVED***'));
F3::call('facebook/facebook.php');
F3::set('Facebook', new Facebook(array('appId' => F3::get('FACEBOOK.client_id'), 'secret' => F3::get('FACEBOOK.client_secret'))));
/////////////////////////////////////////////////
// Status Codes //
/////////////////////////////////////////////////
# 1 = Single
# 2 = In a relationship
# 3 = Engaged
# 4 = Married
# 5 = It's complicated
# 6 = In an open relationship
# 7 = Widowed
# 8 = Separated
# 9 = Divorced
# 10 = In a civil union
# 11 = In a domestic relationship
# 12 = Not set
/////////////////////////////////////////////////
# Single = 1, 5, 6, 7, 8, 9, 12 //
/**
Transmit a file for downloading by HTTP client; If kilobytes per
second is specified, output is throttled (bandwidth will not be
controlled by default); Return TRUE if successful, FALSE otherwise
@param $_file string
@param $_kbps integer
@public
**/
public static function send($_file, $_kbps = 0)
{
$_file = F3::resolve($_file);
if (!file_exists($_file)) {
F3::http404();
return FALSE;
}
if (PHP_SAPI != 'cli' && !F3::$global['QUIET'] && !headers_sent()) {
header(F3::HTTP_Content . ': application/octet-stream');
header(F3::HTTP_Disposition . ': ' . 'attachment; filename=' . basename($_file));
header(F3::HTTP_Length . ': ' . filesize($_file));
F3::httpCache(0);
ob_end_flush();
}
$_max = ini_get('max_execution_time');
$_ctr = 1;
$_handle = fopen($_file, 'r');
$_time = time();
while (!feof($_handle) && !connection_aborted()) {
if ($_kbps > 0) {
// Throttle bandwidth
$_ctr++;
$_elapsed = microtime(TRUE) - $_time;
if ($_ctr / $_kbps > $_elapsed) {
usleep(1000000.0 * ($_ctr / $_kbps - $_elapsed));
}
}
// Send 1KiB and reset timer
echo fread($_handle, 1024);
set_time_limit($_max);
}
fclose($_handle);
return TRUE;
}
/**
Grab file contents
@return mixed
@param $file string
@public
**/
function grab($file)
{
$file = F3::resolve($file);
if (!ini_get('short_open_tag')) {
$text = preg_replace_callback('/<\\?(?:\\s|\\s*(=))(.+?)\\?>/s', function ($tag) {
return '<?php ' . ($tag[1] ? 'echo ' : '') . trim($tag[2]) . ' ?>';
}, $orig = self::getfile($file));
if (ini_get('allow_url_fopen') && ini_get('allow_url_include')) {
// Stream wrap
$file = 'data:text/plain,' . urlencode($text);
} elseif ($text != $orig) {
// Save re-tagged file in temporary folder
if (!is_dir($ref = F3::ref('TEMP'))) {
F3::mkdir($ref);
}
$temp = $ref . $_SERVER['SERVER_NAME'] . '.tpl.' . F3::hash($file);
if (!is_file($temp)) {
self::mutex(function () use($temp, $text) {
file_put_contents($temp, $text);
});
}
$file = $temp;
}
}
ob_start();
// Render
$this->sandbox($file);
return ob_get_clean();
}
/**
Assign value to Axon-mapped field
@return boolean
@param $_name string
@param $_value mixed
@public
**/
public function __set($_name, $_value)
{
if (array_key_exists($_name, $this->fields)) {
$this->fields[$_name] = is_string($_value) ? F3::resolve($_value) : $_value;
if (!is_null($_value)) {
// Axon is now hydrated
$this->empty = FALSE;
}
return;
}
if (array_key_exists($_name, $this->virtual)) {
trigger_error(self::TEXT_AxonReadOnly);
return;
}
F3::$global['CONTEXT'] = $_name;
trigger_error(self::TEXT_AxonNotMapped);
}
/**
Grab file contents
@return mixed
@param $file string
@public
**/
function grab($file)
{
$file = F3::resolve($file);
ob_start();
if (!ini_get('short_open_tag')) {
$text = preg_replace_callback('/<\\?(?:\\s|\\s*(=))(.+?)\\?>/s', function ($tag) {
return '<?php ' . ($tag[1] ? 'echo ' : '') . trim($tag[2]) . ' ?>';
}, $orig = file_get_contents($file));
if (ini_get('allow_url_fopen') && ini_get('allow_url_include')) {
// Stream wrap
$file = 'data:text/plain,' . urlencode($text);
} elseif ($text != $orig) {
// Save re-tagged file in temporary folder
if (!is_dir($ref = F3::ref('TEMP'))) {
F3::mkdir($ref);
}
$temp = $ref . $_SERVER['SERVER_NAME'] . '.tpl.' . F3::hash($file);
if (!is_file($temp)) {
// Create semaphore
$hash = 'sem.' . F3::hash($file);
$cached = Cache::cached($hash);
while ($cached) {
// Locked by another process
usleep(mt_rand(0, 1000));
}
Cache::set($hash, TRUE);
file_put_contents($temp, $text, LOCK_EX);
// Remove semaphore
Cache::clear($hash);
}
$file = $temp;
}
}
// Render
$this->sandbox($file);
return ob_get_clean();
}
/**
Generate identicon from an MD5 hash value
@param $_hash string
@param $_size integer
@public
**/
public static function identicon($_hash, $_size = NULL)
{
$_blox = F3::$global['IBLOCKS'];
if (is_null($_size)) {
$_size = F3::$global['IPIXELS'];
}
// Rotatable shapes
$_dynamic = array(array(0.5, 1, 1, 0, 1, 1), array(0.5, 0, 1, 0, 0.5, 1, 0, 1), array(0.5, 0, 1, 0, 1, 1, 0.5, 1, 1, 0.5), array(0, 0.5, 0.5, 0, 1, 0.5, 0.5, 1, 0.5, 0.5), array(0, 0.5, 1, 0, 1, 1, 0, 1, 1, 0.5), array(1, 0, 1, 1, 0.5, 1, 1, 0.5, 0.5, 0.5), array(0, 0, 1, 0, 1, 0.5, 0, 0, 0.5, 1, 0, 1), array(0, 0, 0.5, 0, 1, 0.5, 0.5, 1, 0, 1, 0.5, 0.5), array(0.5, 0, 0.5, 0.5, 1, 0.5, 1, 1, 0.5, 1, 0.5, 0.5, 0, 0.5), array(0, 0, 1, 0, 0.5, 0.5, 1, 0.5, 0.5, 1, 0.5, 0.5, 0, 1), array(0, 0.5, 0.5, 1, 1, 0.5, 0.5, 0, 1, 0, 1, 1, 0, 1), array(0.5, 0, 1, 0, 1, 1, 0.5, 1, 1, 0.75, 0.5, 0.5, 1, 0.25), array(0, 0.5, 0.5, 0, 0.5, 0.5, 1, 0, 1, 0.5, 0.5, 1, 0.5, 0.5, 0, 1), array(0, 0, 1, 0, 1, 1, 0, 1, 1, 0.5, 0.5, 0.25, 0.5, 0.75, 0, 0.5, 0.5, 0.25), array(0, 0.5, 0.5, 0.5, 0.5, 0, 1, 0, 0.5, 0.5, 1, 0.5, 0.5, 1, 0.5, 0.5, 0, 1), array(0, 0, 1, 0, 0.5, 0.5, 0.5, 0, 0, 0.5, 1, 0.5, 0.5, 1, 0.5, 0.5, 0, 1));
// Fixed shapes (for center sprite)
$_static = array(array(), array(0, 0, 1, 0, 1, 1, 0, 1), array(0.5, 0, 1, 0.5, 0.5, 1, 0, 0.5), array(0, 0, 1, 0, 1, 1, 0, 1, 0, 0.5, 0.5, 1, 1, 0.5, 0.5, 0, 0, 0.5), array(0.25, 0, 0.75, 0, 0.5, 0.5, 1, 0.25, 1, 0.75, 0.5, 0.5, 0.75, 1, 0.25, 1, 0.5, 0.5, 0, 0.75, 0, 0.25, 0.5, 0.5), array(0, 0, 0.5, 0.25, 1, 0, 0.75, 0.5, 1, 1, 0.5, 0.75, 0, 1, 0.25, 0.5), array(0.33, 0.33, 0.67, 0.33, 0.67, 0.67, 0.33, 0.67), array(0, 0, 0.33, 0, 0.33, 0.33, 0.67, 0.33, 0.67, 0, 1, 0, 1, 0.33, 0.67, 0.33, 0.67, 0.67, 1, 0.67, 1, 1, 0.67, 1, 0.67, 0.67, 0.33, 0.67, 0.33, 1, 0, 1, 0, 0.67, 0.33, 0.67, 0.33, 0.33, 0, 0.33));
// Parse MD5 hash
$_hash = F3::resolve($_hash);
list($_bgR, $_bgG, $_bgB) = self::rgb(F3::$global['BGCOLOR']);
list($_fgR, $_fgG, $_fgB) = self::rgb(substr($_hash, 0, 6));
$_shapeC = hexdec($_hash[6]);
$_angleC = hexdec($_hash[7] % 4);
$_shapeX = hexdec($_hash[8]);
for ($_i = 0; $_i < $_blox - 2; $_i++) {
$_shapeS[$_i] = hexdec($_hash[9 + $_i * 2]);
$_angleS[$_i] = hexdec($_hash[10 + $_i * 2] % 4);
}
// Start with NxN blank slate
$_identicon = imagecreatetruecolor($_size * $_blox, $_size * $_blox);
imageantialias($_identicon, TRUE);
$_bg = imagecolorallocate($_identicon, $_bgR, $_bgG, $_bgB);
$_fg = imagecolorallocate($_identicon, $_fgR, $_fgG, $_fgB);
// Generate corner sprites
$_corner = imagecreatetruecolor($_size, $_size);
imagefill($_corner, 0, 0, $_bg);
$_sprite = $_dynamic[$_shapeC];
for ($_i = 0, $_len = count($_sprite); $_i < $_len; $_i++) {
$_sprite[$_i] = $_sprite[$_i] * $_size;
}
imagefilledpolygon($_corner, $_sprite, $_len / 2, $_fg);
for ($_i = 0; $_i < $_angleC; $_i++) {
$_corner = imagerotate($_corner, 90, $_bg);
}
// Generate side sprites
for ($_i = 0; $_i < $_blox - 2; $_i++) {
$_side[$_i] = imagecreatetruecolor($_size, $_size);
imagefill($_side[$_i], 0, 0, $_bg);
$_sprite = $_dynamic[$_shapeS[$_i]];
for ($_j = 0, $_len = count($_sprite); $_j < $_len; $_j++) {
$_sprite[$_j] = $_sprite[$_j] * $_size;
}
imagefilledpolygon($_side[$_i], $_sprite, $_len / 2, $_fg);
for ($_j = 0; $_j < $_angleS[$_i]; $_j++) {
$_side[$_i] = imagerotate($_side[$_i], 90, $_bg);
}
}
// Generate center sprites
for ($_i = 0; $_i < $_blox - 2; $_i++) {
$_center[$_i] = imagecreatetruecolor($_size, $_size);
imagefill($_center[$_i], 0, 0, $_bg);
$_sprite = $_dynamic[$_shapeX];
if ($_blox % 2 > 0 && $_i == $_blox - 3) {
// Odd center sprites
$_sprite = $_static[$_shapeX % 8];
}
$_len = count($_sprite);
if ($_len) {
for ($_j = 0; $_j < $_len; $_j++) {
$_sprite[$_j] = $_sprite[$_j] * $_size;
}
imagefilledpolygon($_center[$_i], $_sprite, $_len / 2, $_fg);
}
if ($_i < $_blox - 3) {
for ($_j = 0; $_j < $_angleS[$_i]; $_j++) {
$_center[$_i] = imagerotate($_center[$_i], 90, $_bg);
}
}
}
// Paste sprites
for ($_i = 0; $_i < 4; $_i++) {
imagecopy($_identicon, $_corner, 0, 0, 0, 0, $_size, $_size);
for ($_j = 0; $_j < $_blox - 2; $_j++) {
imagecopy($_identicon, $_side[$_j], $_size * ($_j + 1), 0, 0, 0, $_size, $_size);
for ($_k = $_j; $_k < $_blox - 3 - $_j; $_k++) {
imagecopy($_identicon, $_center[$_k], $_size * ($_k + 1), $_size * ($_j + 1), 0, 0, $_size, $_size);
}
}
$_identicon = imagerotate($_identicon, 90, $_bg);
}
if ($_blox % 2 > 0) {
// Paste odd center sprite
imagecopy($_identicon, $_center[$_blox - 3], $_size * floor($_blox / 2), $_size * floor($_blox / 2), 0, 0, $_size, $_size);
}
// Resize
$_resized = imagecreatetruecolor($_size, $_size);
imagecopyresampled($_resized, $_identicon, 0, 0, 0, 0, $_size, $_size, $_size * $_blox, $_size * $_blox);
// Make the background transparent
imagecolortransparent($_resized, $_bg);
if (PHP_SAPI != 'cli' && !headers_sent()) {
header(F3::HTTP_Content . ': image/png');
}
imagepng($_resized, NULL, self::PNG_Compress, PNG_NO_FILTER);
}
/**
Parse all directives and render HTML/XML template
@return mixed
@param $_file string
@param $_ishtml boolean
@param $_path string
@public
**/
public static function serve($_file, $_ishtml = TRUE, $_path = NULL)
{
if (is_null($_path)) {
$_path = self::fixSlashes(self::$global['GUI']);
}
// Remove <F3::exclude> blocks
$_text = preg_replace('/<(?:F3:)?exclude>.*?<\\/(?:F3:)?exclude>/is', '', self::embed($_file, $_path));
if (!preg_match('/<.+>/s', $_text)) {
// Plain text
return self::resolve($_text);
}
// Initialize XML tree
$_tree = new XMLTree('1.0', self::$global['ENCODING']);
// Suppress errors caused by invalid HTML structures
libxml_use_internal_errors($_ishtml);
// Populate XML tree
if ($_ishtml) {
// HTML template; Keep track of existing tags so those
// added by libxml can be removed later
$_tags = array('/<!DOCTYPE\\s+html.*?>\\h*\\v*/is', '/<[\\/]?html.*?>\\h*\\v*/is', '/<[\\/]?head.*?>\\h*\\v*/is', '/<[\\/]?body.*?>\\h*\\v*/is');
$_undef = array();
foreach ($_tags as $_regex) {
if (!preg_match($_regex, $_text)) {
$_undef[] = $_regex;
}
}
$_tree->loadHTML($_text);
} else {
// XML template
$_tree->loadXML($_text, LIBXML_COMPACT | LIBXML_NOERROR);
}
// Prepare for XML tree traversal
$_tree->fragment = $_tree->createDocumentFragment();
$_2ndp = FALSE;
$_tree->traverse(function () use($_tree, &$_2ndp) {
$_node =& $_tree->nodeptr;
$_tag = $_node->tagName;
$_next = $_node;
$_parent = $_node->parentNode;
// Node removal flag
$_remove = FALSE;
if ($_tag == 'repeat') {
// Process <F3:repeat> directive
$_inner = $_tree->innerHTML($_node);
if ($_inner) {
// Process attributes
foreach ($_node->attributes as $_attr) {
preg_match('/{?@(\\w+(\\[[^\\]]+\\]|\\.\\w+)*)}?/', $_attr->value, $_cap);
$_name = $_attr->name;
if (!$_cap[1] || isset($_cap[2]) && $_name != 'group') {
// Invalid attribute
F3::$global['CONTEXT'] = $_attr->value;
trigger_error(F3::TEXT_Attrib);
return;
} elseif ($_name == 'key') {
$_kvar = '/@' . $_cap[1] . '\\b/';
} elseif ($_name == 'index') {
$_ivar = '/@' . $_cap[1] . '\\b/';
} elseif ($_name == 'group') {
$_gcap = '@' . $_cap[1];
$_gvar = F3::get($_cap[1]);
}
}
if (is_array($_gvar) && count($_gvar)) {
ob_start();
// Iterate thru group elements
foreach (array_keys($_gvar) as $_key) {
echo preg_replace($_ivar, $_gcap . '[\'' . $_key . '\']', isset($_kvar) ? preg_replace($_kvar, '\'' . $_key . '\'', $_inner) : $_inner);
}
$_block = ob_get_contents();
ob_end_clean();
if (strlen($_block)) {
$_tree->fragment->appendXML($_block);
// Insert fragment before current node
$_next = $_parent->insertBefore($_tree->fragment, $_node);
}
}
}
$_remove = TRUE;
} elseif ($_tag == 'check' && !$_2ndp) {
// Found <F3:check> directive
$_2ndp = TRUE;
} elseif (strpos($_tag, '-')) {
// Process custom template directive
list($_class, $_method) = explode('-', $_tag);
// Invoke template directive handler
call_user_func(array($_class, $_method), $_tree);
$_remove = TRUE;
}
if ($_remove) {
// Find next node
if ($_node->isSameNode($_next)) {
$_next = $_node->nextSibling ? $_node->nextSibling : $_parent;
}
// Remove current node
$_parent->removeChild($_node);
// Replace with next node
$_node = $_next;
}
});
if ($_2ndp) {
// Second pass; Template contains <F3:check> directive
$_tree->traverse(function () use($_tree) {
$_node =& $_tree->nodeptr;
$_parent = $_node->parentNode;
$_tag = $_node->tagName;
// Process <F3:check> directive
if ($_tag == 'check') {
$_cond = var_export((bool) F3::resolve(rawurldecode($_node->getAttribute('if'))), TRUE);
ob_start();
foreach ($_node->childNodes as $_child) {
if ($_child->nodeType == XML_ELEMENT_NODE && preg_match('/' . $_cond . '/i', $_child->tagName)) {
echo $_tree->innerHTML($_child) ?: '';
}
}
$_block = ob_get_contents();
ob_end_clean();
if (strlen($_block)) {
$_tree->fragment->appendXML($_block);
$_parent->insertBefore($_tree->fragment, $_node);
}
// Remove current node
$_parent->removeChild($_node);
// Re-process parent node
$_node = $_parent;
}
});
}
if ($_ishtml) {
// Fix empty HTML tags
$_text = preg_replace('/<((?:' . self::HTML_Tags . ')\\b.*?)\\/?>/is', '<$1/>', self::resolve(rawurldecode($_tree->saveHTML())));
// Remove tags inserted by libxml
foreach ($_undef as $_regex) {
$_text = preg_replace($_regex, '', $_text);
}
} else {
$_text = self::xmlEncode(self::resolve(rawurldecode($_tree->saveXML())), TRUE);
}
return $_text;
}
/**
Bind values to parameters in SQL statement(s) and execute
@return mixed
@param $_cmds mixed
@param $_bind mixed
@param $_id string
@param $_ttl integer
@public
**/
public static function sqlBind($_cmds, $_bind = NULL, $_id = 'DB', $_ttl = 0)
{
$_db =& F3::$global[$_id];
// Connect to database once
if (!$_db || !$_db['dsn']) {
// Can't connect without a DSN!
trigger_error(self::TEXT_DBConnect);
return;
}
if (!isset($_db['pdo'])) {
$_ext = 'pdo_' . stristr($_db['dsn'], ':', TRUE);
if (!in_array($_ext, get_loaded_extensions())) {
// PHP extension not activated
F3::$global['CONTEXT'] = $_ext;
trigger_error(F3::TEXT_PHPExt);
return;
}
try {
$_db['pdo'] = new PDO($_db['dsn'], $_db['user'], $_db['password'], isset($_db['options']) ?: array(PDO::ATTR_EMULATE_PREPARES => FALSE));
} catch (Exception $_xcpt) {
}
if (!isset($_db['pdo'])) {
// Unable to connect
trigger_error(self::TEXT_DBConnect);
return;
}
// Define connection attributes
$_attrs = explode('|', 'AUTOCOMMIT|ERRMODE|CASE|CLIENT_VERSION|CONNECTION_STATUS|' . 'PERSISTENT|PREFETCH|SERVER_INFO|SERVER_VERSION|TIMEOUT');
// Save attributes in DB global variable
foreach ($_attrs as $_attr) {
// Suppress warning if PDO driver doesn't support attribute
$_val = @$_db['pdo']->getAttribute(constant('PDO::ATTR_' . $_attr));
if ($_val) {
$_db['attributes'][$_attr] = $_val;
}
}
}
if (!is_array($_cmds)) {
// Convert to array to prevent code duplication
$_cmds = array($_cmds);
}
// Remove empty elements
$_cmds = array_diff($_cmds, array(NULL));
$_db['result'] = NULL;
if (count($_cmds) > 1) {
// More than one SQL statement specified
$_db['pdo']->beginTransaction();
}
foreach ($_cmds as $_cmd) {
if (F3::$global['ERROR']) {
break;
}
$_cmd = F3::resolve($_cmd);
if ($_ttl) {
// Cache results
self::sqlCache($_cmd, $_bind, $_id, $_ttl);
} else {
// Execute SQL statement(s)
self::sqlExec($_cmd, $_bind, $_id);
}
}
if (count($_cmds) > 1) {
$_func = F3::$global['ERROR'] ? 'rollBack' : 'commit';
call_user_func(array($_db['pdo'], $_func));
}
return $_db['result'];
}
/**
Parse all directives and render HTML/XML template
@return mixed
@param $_file string
@param $_ishtml boolean
@param $_path string
@public
**/
public static function serve($_file, $_ishtml = TRUE, $_path = NULL)
{
if (is_null($_path)) {
$_path = self::fixSlashes(self::$global['GUI']);
}
// Remove <F3::exclude> blocks
$_text = preg_replace('/<(?:F3:)?exclude>.*?<\\/(?:F3:)?exclude>/is', '', self::embed($_file, $_path));
if (preg_match('/<.+>/s', $_text)) {
// Initialize XML tree
$_tree = new XMLTree('1.0', self::$global['ENCODING']);
// Suppress errors caused by invalid HTML structures
libxml_use_internal_errors($_ishtml);
// Populate XML tree
if ($_ishtml) {
// HTML template; Remember defined tags
$_deftags = array('/<!DOCTYPE\\s+html.*?>\\h*\\v*/is' => FALSE, '/<[\\/]?html.*?>\\h*\\v*/is' => FALSE, '/<[\\/]?head.*?>\\h*\\v*/is' => FALSE, '/<[\\/]?body.*?>\\h*\\v*/is' => FALSE);
foreach ($_deftags as $_regex => &$_tag) {
$_tag = preg_match($_regex, $_text);
}
// Destroy reference
unset($_tag);
$_tree->loadHTML($_text);
} else {
// XML template
$_tree->loadXML($_text, LIBXML_COMPACT | LIBXML_NOERROR);
}
// Prepare for XML tree traversal
$_tree->fragment = $_tree->createDocumentFragment();
$_2ndp = FALSE;
$_tree->traverse(function () use($_tree, &$_2ndp) {
$_node =& $_tree->nodeptr;
$_tag = $_node->tagName;
$_next = $_node;
$_parent = $_node->parentNode;
// Node removal flag
$_remove = FALSE;
if ($_tag == 'repeat') {
// Process <F3:repeat> directive
$_inner = $_tree->innerHTML($_node);
if ($_inner) {
foreach ($_node->attributes as $_attr) {
preg_match('/\\{*@(\\w+\\b(\\[[^\\]]+\\]|\\.\\w+\\b)*)\\}*/', $_attr->value, $_cap);
if (!$_cap[1] || isset($_cap[2]) && $_attr->name != 'group') {
// Invalid attribute
F3::$global['CONTEXT'] = $_attr->value;
trigger_error(F3::TEXT_Attrib);
return;
}
if ($_attr->name == 'key') {
$_kvar = '/@' . $_cap[1] . '\\b/';
} elseif ($_attr->name == 'index') {
$_ivar = '/@' . $_cap[1] . '\\b/';
} elseif ($_attr->name == 'group') {
$_gcap = '@' . $_cap[1];
$_gvar = F3::get($_cap[1]);
}
}
if (is_array($_gvar) && count($_gvar)) {
$_block = '';
// Iterate thru group elements
foreach (array_keys($_gvar) as $_key) {
$_block .= preg_replace($_ivar, $_gcap . '[\'' . $_key . '\']', isset($_kvar) ? preg_replace($_kvar, var_export($_key, TRUE), $_inner) : $_inner);
}
if (isset($_block[0])) {
$_tree->fragment->appendXML($_block);
// Insert fragment before current node
$_next = $_parent->insertBefore($_tree->fragment, $_node);
}
}
}
$_remove = TRUE;
} elseif ($_tag == 'check' && !$_2ndp) {
// Found <F3:check> directive
$_2ndp = TRUE;
} elseif (strpos($_tag, '-')) {
// Process custom template directive
list($_class, $_method) = explode('-', $_tag);
$_found = FALSE;
if (!class_exists($_class, FALSE)) {
foreach (explode('|', F3::$global['AUTOLOAD']) as $_auto) {
$_file = $_auto . $_class . '.php';
// Case-insensitive check for file presence
$_glob = glob(dirname($_file) . '/*.php');
$_fkey = array_search(strtolower($_file), array_map('strtolower', $_glob));
if (is_int($_fkey)) {
include $_glob[$_fkey];
if (method_exists($_class, 'onLoad')) {
call_user_func(array($_class, 'onLoad'));
}
$_found = TRUE;
break;
}
}
} else {
$_found = TRUE;
}
if ($_found) {
// Invoke template directive handler
call_user_func(array($_class, $_method), $_tree);
$_remove = TRUE;
}
}
if ($_remove) {
// Find next node
if ($_node->isSameNode($_next)) {
$_next = $_node->nextSibling ? $_node->nextSibling : $_parent;
}
// Remove current node
$_parent->removeChild($_node);
// Replace with next node
$_node = $_next;
}
});
if ($_2ndp) {
// Second pass; Template contains <F3:check> directive
$_tree->traverse(function () use($_tree) {
$_node =& $_tree->nodeptr;
$_parent = $_node->parentNode;
$_tag = $_node->tagName;
// Process <F3:check> directive
if ($_tag == 'check') {
$_cond = var_export((bool) F3::resolve(rawurldecode($_node->getAttribute('if'))), TRUE);
$_block = '';
foreach ($_node->childNodes as $_child) {
if ($_child->nodeType != XML_TEXT_NODE && $_child->tagName == $_cond) {
$_inner = $_tree->innerHTML($_child);
if ($_inner) {
// Replacement
$_block .= $_inner;
}
}
}
if (isset($_block[0])) {
$_tree->fragment->appendXML($_block);
$_parent->insertBefore($_tree->fragment, $_node);
}
// Remove current node
$_parent->removeChild($_node);
// Re-process parent node
$_node = $_parent;
}
});
}
$_text = self::resolve(rawurldecode($_ishtml ? $_tree->saveHTML() : $_tree->saveXML()));
if ($_ishtml) {
// Fix empty HTML tags
$_text = preg_replace('/<((?:area|base|br|col|frame|hr|img|input|' . 'isindex|link|meta|param).*?)\\/?>/is', '<$1/>', $_text);
// Remove tags inserted by libxml
foreach ($_deftags as $_regex => $_tag) {
if (!$_tag) {
$_text = preg_replace($_regex, '', $_text);
}
}
} else {
$_text = self::xmlEncode($_text, TRUE);
}
unset($_tree);
} else {
// Plain text
$_text = self::resolve($_text);
}
// Remove control characters except whitespaces
return preg_replace('/[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F]/', '', $_text);
}
