1024 && count($sxlist) >= 2) {
array_shift($sxlist);
$size /= 1024;
}
return number_format($size, 2).array_shift($sxlist);
}
function str_ext($sz) {
$dpos = strrpos($sz, '.');
return substr($sz, $dpos+1);
}
function is_image($sz) {
return in_array(strtolower(str_ext($sz)), ['jpg', 'png', 'jpeg']);
}
function hesc($sz) {
return @htmlentities($sz, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
}
function text2html($sz) {
$identity = function($sz) {
return $sz;
};
$splitInside = function($begin, $end, $sz) {
$parts = explode($begin, $sz);
if (count($parts) == 1) return [$sz];
$ret = [$parts[0]];
for($i = 1, $e = count($parts); $i !== $e; ++$i) {
$inner = explode($end, $parts[$i], 2);
$ret = array_merge($ret, $inner);
}
return $ret;
};
$oddEven = function(array $parts, $odd, $even, $join='') {
$ret = [];
for($i = 0, $e = count($parts); $i != $e; ++$i) {
$ret[] = ($i % 2) ? $odd($parts[$i]) : $even($parts[$i]);
}
return implode($join, $ret);
};
$sectionFmt = function($sz) use($oddEven, $identity) {
$base = hesc($sz);
$base = preg_replace('~^=+(.+)=+~m', '\\1', $base);
$base = preg_replace('~\\[url=([^\\]]+?)\\](.+?)\\[/url\\]~m', '\\2', $base);
$base = preg_replace('~([^="])(https?://[^ \\r\\n\\t]+)~i', '\\1\\2', $base);
$base = preg_replace('~\\[b\\](.+?)\\[/b\\]~m', '\\1', $base);
$base = preg_replace('~\\[i\\](.+?)\\[/i\\]~m', '\\1', $base);
$base = preg_replace('~\\[spoiler\\](.+?)\\[/spoiler\\]~m', '\\1', $base);
$base = preg_replace('~\n- ~ms', "\n• ", $base);
$btparts = explode('`', $base);
if (count($btparts) > 1 && (count($btparts) % 2)) {
for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
$class = 'code';
if (strpos($btparts[$i], "\n") !== false) {
$class .= ' code-multiline';
}
$btparts[$i] = ''.$btparts[$i].'';
}
}
return $oddEven($btparts, $identity, 'nl2br');
};
$htmlSections = $splitInside('', '', $sz);
return $oddEven($htmlSections, $identity, $sectionFmt);
}
function array_decimate($array, $total, $partno) {
$ct = 0;
$ret = [];
foreach($array as $k => $v) {
if (++$ct % $total == ($partno - 1)) {
$ret[$k] = $v;
}
}
return $ret;
}