304 lines
9.1 KiB
PHP
304 lines
9.1 KiB
PHP
<?php
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function startsWith($haystack, $needle)
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{
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$length = strlen($needle);
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return (substr($haystack, 0, $length) === $needle);
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}
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function endsWith($haystack, $needle)
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{
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$length = strlen($needle);
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return $length === 0 || (substr($haystack, -$length) === $needle);
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}
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function destructiveUrlEncode($str)
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{
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$str = str_replace(' ', '_', $str);
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$str = str_replace('+', '_', $str);
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$str = str_replace(':', '_', $str);
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$str = str_replace('.', '', $str);
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return urlencode($str);
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}
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function formatMilliseconds($millis)
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{
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if ($millis < 1000)
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{
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return $millis . 'ms';
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}
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else if ($millis < 10 * 1000)
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{
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return number_format($millis / (1000), 2) . 's';
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}
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else if ($millis < 60 * 1000)
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{
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return floor($millis / (1000)) . 's';
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}
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else if ($millis < 10 * 60 * 1000)
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{
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return floor($millis / (60 * 1000)) . 'min ' . floor(($millis % (60 * 1000)) / 1000) . 's';
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}
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else if ($millis < 60 * 60 * 1000)
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{
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return floor($millis / (60 * 1000)) . 'min';
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}
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else if ($millis < 10 * 60 * 60 * 1000)
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{
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return number_format($millis / (60 * 60 * 1000), 2) . ' hours';
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}
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else
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{
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return floor($millis / (60 * 60 * 1000)) . ' hours';
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}
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}
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/**
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* easy image resize function
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* @author http://www.nimrodstech.com/php-image-resize/
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* @param string $file - file name to resize
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* @param int $width - new image width
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* @param int $height - new image height
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* @param boolean $proportional - keep image proportional, default is no
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* @param string $output - name of the new file (include path if needed)
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* @return boolean|resource
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*/
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function smart_resize_image($file, $width, $height, $proportional, $output)
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{
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if ( $height <= 0 && $width <= 0 ) return false;
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if ( $file === null) return false;
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# Setting defaults and meta
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$info = getimagesize($file);
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$image = '';
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$final_width = 0;
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$final_height = 0;
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list($width_old, $height_old) = $info;
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$cropHeight = $cropWidth = 0;
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# Calculating proportionality
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if ($proportional) {
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if ($width == 0) $factor = $height/$height_old;
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elseif ($height == 0) $factor = $width/$width_old;
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else $factor = min( $width / $width_old, $height / $height_old );
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$final_width = round( $width_old * $factor );
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$final_height = round( $height_old * $factor );
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}
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else {
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$final_width = ( $width <= 0 ) ? $width_old : $width;
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$final_height = ( $height <= 0 ) ? $height_old : $height;
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$widthX = $width_old / $width;
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$heightX = $height_old / $height;
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$x = min($widthX, $heightX);
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$cropWidth = ($width_old - $width * $x) / 2;
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$cropHeight = ($height_old - $height * $x) / 2;
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}
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# Loading image to memory according to type
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switch ( $info[2] ) {
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case IMAGETYPE_JPEG: $image = imagecreatefromjpeg($file); break;
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case IMAGETYPE_GIF: $image = imagecreatefromgif($file); break;
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case IMAGETYPE_PNG: $image = imagecreatefrompng($file); break;
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default: return false;
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}
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# This is the resizing/resampling/transparency-preserving magic
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$image_resized = imagecreatetruecolor( $final_width, $final_height );
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if ( ($info[2] == IMAGETYPE_GIF) || ($info[2] == IMAGETYPE_PNG) ) {
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$transparency = imagecolortransparent($image);
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$palletsize = imagecolorstotal($image);
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if ($transparency >= 0 && $transparency < $palletsize) {
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$transparent_color = imagecolorsforindex($image, $transparency);
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$transparency = imagecolorallocate($image_resized, $transparent_color['red'], $transparent_color['green'], $transparent_color['blue']);
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imagefill($image_resized, 0, 0, $transparency);
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imagecolortransparent($image_resized, $transparency);
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}
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elseif ($info[2] == IMAGETYPE_PNG) {
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imagealphablending($image_resized, false);
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$color = imagecolorallocatealpha($image_resized, 0, 0, 0, 127);
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imagefill($image_resized, 0, 0, $color);
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imagesavealpha($image_resized, true);
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}
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}
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imagecopyresampled($image_resized, $image, 0, 0, $cropWidth, $cropHeight, $final_width, $final_height, $width_old - 2 * $cropWidth, $height_old - 2 * $cropHeight);
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# Preparing a method of providing result
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switch ( strtolower($output) ) {
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case 'browser':
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$mime = image_type_to_mime_type($info[2]);
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header("Content-type: $mime");
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$output = NULL;
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break;
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case 'file':
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$output = $file;
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break;
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case 'return':
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return $image_resized;
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break;
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default:
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break;
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}
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# Writing image according to type to the output destination and image quality
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switch ( $info[2] ) {
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case IMAGETYPE_GIF: imagegif($image_resized, $output); break;
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case IMAGETYPE_JPEG: imagejpeg($image_resized, $output, 100); break;
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case IMAGETYPE_PNG:
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$quality = 9 - (int)((0.9*100)/10.0);
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imagepng($image_resized, $output, $quality);
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break;
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default: return false;
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}
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return true;
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}
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/**
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* @param string $file - file name to resize
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* @param int $width - new image width
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* @param int $height - new image height
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* @param string $output - name of the new file (include path if needed)
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*/
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function magick_resize_image($file, $width, $height, $output)
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{
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list($width_old, $height_old) = getimagesize($file);
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if ($width == 0) $factor = $height/$height_old;
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elseif ($height == 0) $factor = $width/$width_old;
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else $factor = min( $width / $width_old, $height / $height_old );
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$final_width = round( $width_old * $factor );
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$final_height = round( $height_old * $factor );
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$cmd = 'convert "' . $file . '" -strip -resize ' . $final_width . 'x' . $final_height . ' "' . $output . '"';
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$output=null;
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$retval=null;
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$r = exec($cmd, $output, $retval);
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if ($r === false) throw new Exception("Magick exec() return FALSE");
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if ($retval !== 0) throw new Exception("Magick exec() returned exitcode $retval");
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}
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function sendMail($subject, $content, $to, $from)
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{
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mail($to, $subject, $content, 'From: ' . $from);
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}
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function get_client_ip() {
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if (getenv('HTTP_CLIENT_IP')) return getenv('HTTP_CLIENT_IP');
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else if(getenv('HTTP_X_FORWARDED_FOR')) return getenv('HTTP_X_FORWARDED_FOR');
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else if(getenv('HTTP_X_FORWARDED')) return getenv('HTTP_X_FORWARDED');
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else if(getenv('HTTP_FORWARDED_FOR')) return getenv('HTTP_FORWARDED_FOR');
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else if(getenv('HTTP_FORWARDED')) return getenv('HTTP_FORWARDED');
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else if(getenv('REMOTE_ADDR')) return getenv('REMOTE_ADDR');
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else if (isset($_SERVER['HTTP_CLIENT_IP'])) return $_SERVER['HTTP_CLIENT_IP'];
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else if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) return $_SERVER['HTTP_X_FORWARDED_FOR'];
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else if(isset($_SERVER['HTTP_X_FORWARDED'])) return $_SERVER['HTTP_X_FORWARDED'];
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else if(isset($_SERVER['HTTP_FORWARDED_FOR'])) return $_SERVER['HTTP_FORWARDED_FOR'];
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else if(isset($_SERVER['HTTP_FORWARDED'])) return $_SERVER['HTTP_FORWARDED'];
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else if(isset($_SERVER['REMOTE_ADDR'])) return $_SERVER['REMOTE_ADDR'];
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else return 'UNKNOWN';
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}
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function getRandomToken($length = 32)
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{
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try
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{
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if(!isset($length) || intval($length) <= 8 ) $length = 32;
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if (function_exists('random_bytes')) return bin2hex(random_bytes($length));
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if (function_exists('mcrypt_create_iv')) return bin2hex(mcrypt_create_iv($length, MCRYPT_DEV_URANDOM));
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if (function_exists('openssl_random_pseudo_bytes')) return bin2hex(openssl_random_pseudo_bytes($length));
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}
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catch (Exception $e) { throw new InvalidArgumentException($e); }
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throw new InvalidArgumentException("No random");
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}
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function isHTTPRequest()
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{
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if (isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) === "https" ) return false;
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if (isset($_SERVER['HTTPS']) && (!empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] !== "off")) return false;
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return true;
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}
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function str_max_len(string $str, int $max)
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{
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if (strlen($str) < $max) return $str;
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return substr($str, 0, $max-3)."...";
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}
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function formatException($e)
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{
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if ($e === null) return "NULL";
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if ($e instanceof Exception)
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{
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$r = '';
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$r .= $e->getMessage() . "\n\n";
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$r .= $e->getFile() . "\n\n";
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$r .= str_replace(dirname(__DIR__), '.', $e->getTraceAsString()) . "\n\n";
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if (isset($e->xdebug_message))
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{
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$xdbg = $e->xdebug_message;
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$xdbg = str_replace('<br />', "\n", $xdbg);
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$xdbg = str_replace('<br/>', "\n", $xdbg);
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$xdbg = str_replace('<br>', "\n", $xdbg);
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$xdbg = str_replace('><', "> <", $xdbg);
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$xdbg = strip_tags($xdbg);
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$r .= $xdbg . "\n";
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}
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return $r;
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}
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return 'object';
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}
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function array_key_map_unique(array $array, string $key)
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{
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$r = [];
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foreach ($array as $d) if (!in_array($d[$key], $r)) $r []= $d[$key];
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return $r;
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}
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function array_key_map(array $array, string $key)
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{
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$r = [];
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foreach ($array as $d) $r []= $d[$key];
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return $r;
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}
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function curl_http_request($url)
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{
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_TIMEOUT, 10);
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$output = curl_exec($ch);
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$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$redirect = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
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$errnum = curl_errno( $ch );
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$errmsg = curl_error( $ch );
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curl_close($ch);
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return [ 'output'=>$output, 'statuscode'=>$httpcode, 'redirect'=>$redirect, 'errnum'=>$errnum, 'errstr'=>$errmsg ];
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}
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function array_last(array $arr)
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{
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return $arr[count($arr)-1];
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}
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function explode_allow_empty(string $separator, string $str): array {
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if ($str === '') return [];
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return explode($separator, $str);
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}
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