web-base/core/core.php

142 lines
3.4 KiB
PHP

<?php
function clamp($val, $min, $max) {
if($val < $min) return $min;
if($val > $max) return $max;
return $val;
}
function downloadFile($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
function getSubclassesOf($parent) {
$result = array();
foreach (get_declared_classes() as $class) {
if (is_subclass_of($class, $parent))
$result[] = $class;
}
return $result;
}
function getProtocol() {
return stripos($_SERVER['SERVER_PROTOCOL'],'https') === 0 ? 'https' : 'http';
}
function includeDir($dir, $aIgnore = array(), $recursive = false) {
$aIgnore[] = '.';
$aIgnore[] = '..';
$aFiles = array_diff(scandir($dir), $aIgnore);
foreach($aFiles as $file) {
$file = $dir . '/' . $file;
if(is_dir($file)) {
if($recursive) {
includeDir($file, $aIgnore, true);
}
} else {
require_once $file;
}
}
}
function generateRandomString($length) {
$randomString = '';
if($length > 0) {
$numCharacters = 26 + 26 + 10; // a-z + A-Z + 0-9
for ($i = 0; $i < $length; $i++)
{
$num = random_int(0, $numCharacters - 1);
if($num < 26) $randomString .= chr(ord('a') + $num);
else if($num - 26 < 26) $randomString .= chr(ord('A') + $num - 26);
else $randomString .= chr(ord('0') + $num - 26 - 26);
}
}
return $randomString;
}
function cleanPath($path) {
if($path === '')
return $path;
$path = str_replace('\\', '/', $path);
$path = str_replace('/./', '/', $path);
if($path[0] !== '/')
$path = '/' . $path;
$path = str_replace('/../', '/', $path);
return $path;
}
function startsWith($haystack, $needle) {
$length = strlen($needle);
return (substr($haystack, 0, $length) === $needle);
}
function endsWith($haystack, $needle) {
$length = strlen($needle);
if ($length == 0)
return true;
return (substr($haystack, -$length) === $needle);
}
function isCalledDirectly($file) {
return $_SERVER['SCRIPT_FILENAME'] === $file;
}
function anonymzeEmail($mail) {
if(($pos = strpos($mail, '@')) !== -1) {
$name = substr($mail, 0, $pos);
$host = substr($mail, $pos + 1);
if(strlen($name) > 2) $mail = substr($name, 0, 2) . str_repeat('*', strlen($name) - 2) . "@$host";
else $mail = $mail = str_repeat('*', strlen($name)) . "@$host";
}
return $mail;
}
function intendCode($code, $escape=true) {
$newCode = "";
$first = true;
$brackets = array();
$intend = 0;
foreach(explode("\n", $code) as $line) {
if(!$first) $newCode .= "\n";
if($escape) $line = htmlspecialchars($line);
$line = trim($line);
if(count($brackets) > 0 && startsWith($line, current($brackets))) {
$intend = max(0, $intend - 2);
array_pop($brackets);
}
$newCode .= str_repeat(" ", $intend);
$newCode .= $line;
$first = false;
if(endsWith($line, "{")) {
$intend += 2;
array_push($brackets, "}");
} else if(endsWith($line, "(")) {
$intend += 2;
array_push($brackets, ")");
}
}
return $newCode;
}
function replaceCssSelector($sel) {
return preg_replace("~[.#<>]~", "_", preg_replace("~[:\-]~", "", $sel));
}
?>