408 lines
12 KiB
PHP
408 lines
12 KiB
PHP
<?php
|
|
|
|
use Stringy\Stringy as S;
|
|
|
|
if (!function_exists('array_column')) {
|
|
/**
|
|
* Pluck an array of values from an array.
|
|
*
|
|
* @param $array - data
|
|
* @param $key - value you want to pluck from array
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return plucked array only with key data
|
|
*/
|
|
function array_column($array, $key)
|
|
{
|
|
return array_map(function ($v) use ($key) {
|
|
return is_object($v) ? $v->$key : $v[$key];
|
|
}, $array);
|
|
}
|
|
}
|
|
|
|
if (!function_exists('starts_with')) {
|
|
/**
|
|
* Check if a string starts with the given string.
|
|
*
|
|
* @param string $string
|
|
* @param string $starts_with
|
|
*
|
|
* @return bool
|
|
*/
|
|
function starts_with($string, $starts_with)
|
|
{
|
|
//return strpos($string, $starts_with) === 0;
|
|
return S::create($string)->startsWith($starts_with);
|
|
}
|
|
}
|
|
|
|
if (!function_exists('ends_with')) {
|
|
/**
|
|
* Check if a string ends with the given string.
|
|
*
|
|
* @param string $string
|
|
* @param string $ends_with
|
|
*
|
|
* @return bool
|
|
*/
|
|
function ends_with($string, $ends_with)
|
|
{
|
|
//return substr($string, -strlen($ends_with)) === $ends_with;
|
|
return S::create($string)->endsWith($ends_with);
|
|
}
|
|
}
|
|
|
|
if (!function_exists('str_contains')) {
|
|
/**
|
|
* Check if a string contains the given string.
|
|
*
|
|
* @param string $string
|
|
* @param string $contains
|
|
*
|
|
* @return bool
|
|
*/
|
|
function str_contains($string, $contains)
|
|
{
|
|
//return strpos($string, $contains) !== false;
|
|
return S::create($string)->contains($contains);
|
|
}
|
|
}
|
|
|
|
if (!function_exists('random_string')) {
|
|
/**
|
|
* Generates a string of random characters.
|
|
*
|
|
* @throws LengthException If $length is bigger than the available
|
|
* character pool and $no_duplicate_chars is
|
|
* enabled
|
|
*
|
|
* @param int $length The length of the string to
|
|
* generate
|
|
* @param bool $human_friendly Whether or not to make the
|
|
* string human friendly by
|
|
* removing characters that can be
|
|
* confused with other characters (
|
|
* O and 0, l and 1, etc)
|
|
* @param bool $include_symbols Whether or not to include
|
|
* symbols in the string. Can not
|
|
* be enabled if $human_friendly is
|
|
* true
|
|
* @param bool $no_duplicate_chars whether or not to only use
|
|
* characters once in the string
|
|
*
|
|
* @return string
|
|
*/
|
|
function random_string($length = 16, $human_friendly = true, $include_symbols = false, $no_duplicate_chars = false)
|
|
{
|
|
$nice_chars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefhjkmnprstuvwxyz23456789';
|
|
$all_an = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890';
|
|
$symbols = '!@#$%^&*()~_-=+{}[]|:;<>,.?/"\'\\`';
|
|
$string = '';
|
|
|
|
// Determine the pool of available characters based on the given parameters
|
|
if ($human_friendly) {
|
|
$pool = $nice_chars;
|
|
} else {
|
|
$pool = $all_an;
|
|
|
|
if ($include_symbols) {
|
|
$pool .= $symbols;
|
|
}
|
|
}
|
|
|
|
if (!$no_duplicate_chars) {
|
|
return substr(str_shuffle(str_repeat($pool, $length)), 0, $length);
|
|
}
|
|
|
|
// Don't allow duplicate letters to be disabled if the length is
|
|
// longer than the available characters
|
|
if ($no_duplicate_chars && strlen($pool) < $length) {
|
|
throw new \LengthException('$length exceeds the size of the pool and $no_duplicate_chars is enabled');
|
|
}
|
|
|
|
// Convert the pool of characters into an array of characters and
|
|
// shuffle the array
|
|
$pool = str_split($pool);
|
|
$poolLength = count($pool);
|
|
$rand = mt_rand(0, $poolLength - 1);
|
|
|
|
// Generate our string
|
|
for ($i = 0; $i < $length; ++$i) {
|
|
$string .= $pool[$rand];
|
|
|
|
// Remove the character from the array to avoid duplicates
|
|
array_splice($pool, $rand, 1);
|
|
|
|
// Generate a new number
|
|
if (($poolLength - 2 - $i) > 0) {
|
|
$rand = mt_rand(0, $poolLength - 2 - $i);
|
|
} else {
|
|
$rand = 0;
|
|
}
|
|
}
|
|
|
|
return $string;
|
|
}
|
|
}
|
|
|
|
if (!function_exists('secure_random_string')) {
|
|
/**
|
|
* Generate secure random string of given length
|
|
* If 'openssl_random_pseudo_bytes' is not available
|
|
* then generate random string using default function.
|
|
*
|
|
* Part of the Laravel Project <https://github.com/laravel/laravel>
|
|
*
|
|
* @param int $length length of string
|
|
*
|
|
* @return bool
|
|
*/
|
|
function secure_random_string($length = 32)
|
|
{
|
|
if (function_exists('openssl_random_pseudo_bytes')) {
|
|
$bytes = openssl_random_pseudo_bytes($length * 2);
|
|
|
|
if ($bytes === false) {
|
|
throw new \LengthException('$length is not accurate, unable to generate random string');
|
|
}
|
|
|
|
return substr(str_replace(['/', '+', '='], '', base64_encode($bytes)), 0, $length);
|
|
}
|
|
|
|
return random_string($length);
|
|
}
|
|
}
|
|
|
|
if (!function_exists('download')) {
|
|
/**
|
|
* Transmit headers that force a browser to display the download file
|
|
* dialog. Cross browser compatible. Only fires if headers have not
|
|
* already been sent.
|
|
*
|
|
* @param string $filename The name of the filename to display to
|
|
* browsers
|
|
* @param string $content The content to output for the download.
|
|
* If you don't specify this, just the
|
|
* headers will be sent
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return bool
|
|
*/
|
|
function download($file, $filename = null)
|
|
{
|
|
if (!headers_sent()) {
|
|
$filename = !empty($filename) ? $filename : basename($file);
|
|
|
|
// Required for some browsers
|
|
if (ini_get('zlib.output_compression')) {
|
|
@ini_set('zlib.output_compression', 'Off');
|
|
}
|
|
|
|
header('Pragma: public');
|
|
header('Expires: 0');
|
|
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
|
|
|
|
// Required for certain browsers
|
|
header('Cache-Control: private', false);
|
|
|
|
header('Content-Disposition: attachment; filename="'.basename(str_replace('"', '', $filename)).'";');
|
|
header('Content-Type: application/octet-stream');
|
|
header('Content-Transfer-Encoding: binary');
|
|
|
|
header('Content-Length: '.filesize($file));
|
|
|
|
$open = fopen($file, 'rb');
|
|
while (!feof($open)) {
|
|
echo fread($open, 1024 * 8);
|
|
ob_flush();
|
|
flush();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!function_exists('safe_truncate')) {
|
|
/**
|
|
* Truncate a string to a specified length without cutting a word off.
|
|
*
|
|
* @param string $string The string to truncate
|
|
* @param int $length The length to truncate the string to
|
|
* @param string $append Text to append to the string IF it gets
|
|
* truncated, defaults to '...'
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return string
|
|
*/
|
|
function safe_truncate($string, $length, $append = '...')
|
|
{
|
|
$ret = substr($string, 0, $length);
|
|
$last_space = strrpos($ret, ' ');
|
|
|
|
if ($last_space !== false && $string != $ret) {
|
|
$ret = substr($ret, 0, $last_space);
|
|
}
|
|
|
|
if ($ret != $string) {
|
|
$ret .= $append;
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
if (!function_exists('isHTTPS')) {
|
|
/**
|
|
* Checks to see if the page is being served over SSL or not.
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return bool
|
|
*/
|
|
function isHTTPS($trust_proxy_headers = false)
|
|
{
|
|
if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') {
|
|
// Check the standard HTTPS headers
|
|
return true;
|
|
} elseif ($trust_proxy_headers && isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
|
|
// Check proxy headers if allowed
|
|
return true;
|
|
} elseif (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off') {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!function_exists('color_darken')) {
|
|
/**
|
|
* Scurisce un determinato colore.
|
|
*
|
|
* @param unknown $color
|
|
* @param number $dif
|
|
*
|
|
* @return string
|
|
*/
|
|
function color_darken($color, $dif = 20)
|
|
{
|
|
$color = str_replace('#', '', $color);
|
|
if (strlen($color) != 6) {
|
|
return '000000';
|
|
}
|
|
$rgb = '';
|
|
for ($x = 0; $x < 3; ++$x) {
|
|
$c = hexdec(substr($color, (2 * $x), 2)) - $dif;
|
|
$c = ($c < 0) ? 0 : dechex($c);
|
|
$rgb .= (strlen($c) < 2) ? '0'.$c : $c;
|
|
}
|
|
|
|
return '#'.$rgb;
|
|
}
|
|
}
|
|
|
|
if (!function_exists('color_inverse')) {
|
|
/**
|
|
* Inverte il colore inserito.
|
|
*
|
|
* @see http://www.splitbrain.org/blog/2008-09/18-calculating_color_contrast_with_php
|
|
*
|
|
* @param string $start_colour
|
|
*
|
|
* @return string
|
|
*/
|
|
function color_inverse($start_colour)
|
|
{
|
|
$R1 = hexdec(substr($start_colour, 1, 2));
|
|
$G1 = hexdec(substr($start_colour, 3, 2));
|
|
$B1 = hexdec(substr($start_colour, 5, 2));
|
|
$R2 = 255;
|
|
$G2 = 255;
|
|
$B2 = 255;
|
|
$L1 = 0.2126 * pow($R1 / 255, 2.2) + 0.7152 * pow($G1 / 255, 2.2) + 0.0722 * pow($B1 / 255, 2.2);
|
|
$L2 = 0.2126 * pow($R2 / 255, 2.2) + 0.7152 * pow($G2 / 255, 2.2) + 0.0722 * pow($B2 / 255, 2.2);
|
|
if ($L1 > $L2) {
|
|
$lum = ($L1 + 0.05) / ($L2 + 0.05);
|
|
} else {
|
|
$lum = ($L2 + 0.05) / ($L1 + 0.05);
|
|
}
|
|
if ($lum >= 2.5) {
|
|
return '#fff';
|
|
} else {
|
|
return '#000';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!function_exists('readSQLFile')) {
|
|
/**
|
|
* Restituisce l'insieme delle query presente nel file specificato.
|
|
*
|
|
* @param string $filename Percorso per il file
|
|
* @param string $delimiter Delimitatore delle query
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return array
|
|
*/
|
|
function readSQLFile($filename, $delimiter = ';')
|
|
{
|
|
$inString = false;
|
|
$escChar = false;
|
|
$query = '';
|
|
$stringChar = '';
|
|
$queryLine = [];
|
|
$queryBlock = file_get_contents($filename);
|
|
$sqlRows = explode("\n", $queryBlock);
|
|
$delimiterLen = strlen($delimiter);
|
|
do {
|
|
$sqlRow = current($sqlRows)."\n";
|
|
$sqlRowLen = strlen($sqlRow);
|
|
for ($i = 0; $i < $sqlRowLen; ++$i) {
|
|
if ((substr(ltrim($sqlRow), $i, 2) === '--') && !$inString) {
|
|
break;
|
|
}
|
|
$znak = substr($sqlRow, $i, 1);
|
|
if ($znak === '\'' || $znak === '"') {
|
|
if ($inString) {
|
|
if (!$escChar && $znak === $stringChar) {
|
|
$inString = false;
|
|
}
|
|
} else {
|
|
$stringChar = $znak;
|
|
$inString = true;
|
|
}
|
|
}
|
|
if ($znak === '\\' && substr($sqlRow, $i - 1, 2) !== '\\\\') {
|
|
$escChar = !$escChar;
|
|
} else {
|
|
$escChar = false;
|
|
}
|
|
if (substr($sqlRow, $i, $delimiterLen) === $delimiter) {
|
|
if (!$inString) {
|
|
$query = trim($query);
|
|
$delimiterMatch = [];
|
|
if (preg_match('/^DELIMITER[[:space:]]*([^[:space:]]+)$/i', $query, $delimiterMatch)) {
|
|
$delimiter = $delimiterMatch[1];
|
|
$delimiterLen = strlen($delimiter);
|
|
} else {
|
|
$queryLine[] = $query;
|
|
}
|
|
$query = '';
|
|
continue;
|
|
}
|
|
}
|
|
$query .= $znak;
|
|
}
|
|
} while (next($sqlRows) !== false);
|
|
|
|
return $queryLine;
|
|
}
|
|
}
|