Viewing file:  strings.php (8.65 KB) -rw-r--r--
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<?php
if (!function_exists('array2string')) {
function array2string($data)
{
$log_a = "";
foreach ($data as $key => $value) {
if (is_array($value)) {
$log_a .= "\r\n'" . $key . "' => [\r\n" . array2string($value) . "\r\n],";
} else {
$log_a .= "'" . $key . "'" . " => " . "'" . str_replace("'", "\\'", $value) . "',\r\n";
}
}
return $log_a;
}
}
if (!function_exists('xss_clean')) {
function xss_clean($data)
{
// Fix &entity\n;
$data = str_replace(array('&', '<', '>'), array('&amp;', '&lt;', '&gt;'), $data);
$data = preg_replace('/(&#*\w+)[\x00-\x20]+;/u', '$1;', $data);
$data = preg_replace('/(&#x*[0-9A-F]+);*/iu', '$1;', $data);
$data = html_entity_decode($data, ENT_COMPAT, 'UTF-8');
// Remove any attribute starting with "on" or xmlns
$data = preg_replace('#(<[^>]+?[\x00-\x20"\'])(?:on|xmlns)[^>]*+>#iu', '$1>', $data);
// Remove javascript: and vbscript: protocols
$data = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([`\'"]*)[\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iu', '$1=$2nojavascript...', $data);
$data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iu', '$1=$2novbscript...', $data);
$data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#u', '$1=$2nomozbinding...', $data);
// Only works in IE: <span style="width: expression(alert('Ping!'));"></span>
$data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?expression[\x00-\x20]*\([^>]*+>#i', '$1>', $data);
$data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?behaviour[\x00-\x20]*\([^>]*+>#i', '$1>', $data);
$data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*+>#iu', '$1>', $data);
// Remove namespaced elements (we do not need them)
$data = preg_replace('#</*\w+:\w[^>]*+>#i', '', $data);
do {
// Remove really unwanted tags
$old_data = $data;
$data = preg_replace('#</*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|i(?:frame|layer)|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|title|xml)[^>]*+>#i', '', $data);
} while ($old_data !== $data);
return $data;
}
}
if (!function_exists('sanitize_output')) {
function sanitize_output($value, int $strip = 0)
{
$value = htmlspecialchars($value, ENT_QUOTES);
if ($strip == 1) {
$string = stripslashes($value);
}
$value = str_replace('&#', '&#', $value);
return $value;
}
}
if (!function_exists('formatText')) {
function formatText($string, $doSlash = true)
{
$string = str_replace(["'", "\r\n"], ["`", "\\r\\n"], $string);
if ($doSlash) {
$string = addslashes($string);
}
return $string;
}
}
if (!function_exists('stripBeforeSave')) {
/**
* stripBeforeSave method
* This function strips or skips HTML tags
*
* @param string $string [The text that will be stripped]
* @param array $options
*
* @return string
*/
function stripBeforeSave($string = null, $options = ['skipAllTags' => true, 'mergeTags' => false])
{
$finalString = [];
if ($options['skipAllTags'] === false) {
$allow = '<h1><h2><h3><h4><h5><h6><p><b><br><hr><i><pre><small><strike><strong><sub><sup><time><u><form><input><textarea><button><select><option><label><frame><iframe><img><audio><video><a><link><nav><ul><ol><li><table><th><tr><td><thead><tbody><div><span><header><footer><main><section><article>';
if (isset($options['mergeTags']) && $options['mergeTags'] === true && isset($options['allowedTags'])) {
$allow .= is_array($options['allowedTags']) ? implode('', $options['allowedTags']) : trim($options['allowedTags']);
} else {
$allow = isset($options['allowedTags']) && is_array($options['allowedTags']) ? implode('', $options['allowedTags']) : trim($options['allowedTags']);
}
if (is_array($string)) {
foreach ($string as $key => $value) {
$finalString[$key] = strip_tags($value, $allow);
}
} else {
$finalString = strip_tags($string, $allow);
}
} else {
if (is_array($string)) {
foreach ($string as $key => $value) {
$finalString[$key] = strip_tags($value);
}
} else {
$finalString = strip_tags($string);
}
}
return !empty($finalString) ? $finalString : null;
}
}
if (!function_exists('cleanedUrl')) {
/**
* niceUrl method
* return pretty URL
*
* @param string $url
* @return string
*/
function cleanedUrl($url = '')
{
$url = trim($url);
$prohibited = array(' ', '!', "'", '"', '@', '#', '$', '%', '^', '&', '*', '?', ',', '/', '<', '>', ':', ';', 'é', 'è', '{', '}', ')', '(');
$replace = array('-', '', '', '', '', '', '', '', '', '-', '', '', '', '', '', '', '', '', '', 'e', 'e', '', '', '', '');
return strtolower(str_replace($prohibited, $replace, $url));
}
}
if (!function_exists('trimWords')) {
/**
* trim word
*
* @return string
*/
function trimWords($text, $num_words = 30, $more = null)
{
if (is_null($more)) {
$more = '...';
}
$num_words = (int) $num_words;
$text = trim(preg_replace("/[\n\r\t ]+/", ' ', $text), ' ');
preg_match_all('/./u', $text, $words_array);
$words_array = array_slice($words_array[0], 0, $num_words + 1);
$sep = '';
if (count($words_array) > $num_words) {
array_pop($words_array);
$text = implode($sep, $words_array);
$text = $text . $more;
} else {
$text = implode($sep, $words_array);
}
return $text;
}
}
if (!function_exists('stripExceptA2Z')) {
/**
* Strip everything except A - Z
*
* @param string $text
*
* @return string
*/
function stripExceptA2Z($text)
{
return preg_replace(['/[\[{\(].*?[\]}\)]/i', '/[^a-zA-Z]/i'], '', $text);
}
}
if (!function_exists('prepareColumnName')) {
/**
* Strip everything except A - Z and lowercase the text
*
* @param string $text
*
* @return string
*/
function prepareColumnName($text)
{
return strtolower(stripExceptA2Z($text));
}
}
if (!function_exists('convertToBytes')) {
/**
* Converts a string to a string of equal bytes. Supports up to Petabyte.
* PHP allows shortcuts for byte values, including K (kilo), M (mega) and G (giga) etc.
*
* Example input: '64M', '1G', '24M'.
* Example output: '1024'
*
* @param string $from
* @return string|null
*/
function convertToBytes($from)
{
$units = ['B', 'K', 'M', 'G', 'T', 'P'];
$number = substr($from, 0, -1);
$suffix = strtoupper(substr($from, -1));
$exponent = array_flip($units)[$suffix] ?? null;
if ($exponent === null) {
return null;
}
return strval($number * (1024 ** $exponent));
}
}
if (!function_exists('convertBytesToOtherUnit')) {
/**
* Converts a bytes string to specified unit byte.
* Supports up to Petabyte & skips decimal points
*
* Example output: '64M', '1G', '24M'.
*
* @param string $bytes
* @param string $unit
* @return string
*/
function convertBytesToOtherUnit($bytes, $unit = 'M')
{
$units = ['B' => 0, 'K' => 1, 'M' => 2, 'G' => 3, 'T' => 4, 'P' => 5];
$value = 0;
if ($bytes > 0) {
if (!array_key_exists($unit, $units)) {
$pow = floor(log($bytes) / log(1024));
$unit = array_search($pow, $units);
}
$value = ($bytes / pow(1024, floor($units[$unit])));
}
return sprintf('%d' . $unit, $value);
}
}
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