295 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			295 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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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) === $needle);
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| }
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| 
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| function endsWith($haystack, $needle)
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| {
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| 	$length = strlen($needle);
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| 	return $length === 0 || (substr($haystack, -$length) === $needle);
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| }
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| 
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| function destructiveUrlEncode($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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| 
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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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| /**
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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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| 
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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 = $cropWidth = 0;
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| 
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| 	# Calculating proportionality
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| 	if ($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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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 * $cropHeight);
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| 
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| 	# Preparing a method of providing result
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| 	switch ( strtolower($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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| 
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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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| 
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| 	return true;
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| }
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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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| 
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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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| 
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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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| 	$cmd = 'convert "' . $file . '" -strip -resize ' . $final_width . 'x' . $final_height . ' "' . $output . '"';
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| 
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| 	shell_exec($cmd);
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| }
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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: ' . $from);
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| }
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| 
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| function get_client_ip() {
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| 	if (getenv('HTTP_CLIENT_IP')) return getenv('HTTP_CLIENT_IP');
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| 	else if(getenv('HTTP_X_FORWARDED_FOR')) return getenv('HTTP_X_FORWARDED_FOR');
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| 	else if(getenv('HTTP_X_FORWARDED')) return getenv('HTTP_X_FORWARDED');
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| 	else if(getenv('HTTP_FORWARDED_FOR')) return getenv('HTTP_FORWARDED_FOR');
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| 	else if(getenv('HTTP_FORWARDED')) return getenv('HTTP_FORWARDED');
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| 	else if(getenv('REMOTE_ADDR')) return getenv('REMOTE_ADDR');
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| 	else if (isset($_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 $_SERVER['REMOTE_ADDR'];
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| 	else return 'UNKNOWN';
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| }
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| 
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| function getRandomToken($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 ) $length = 32;
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| 
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| 		if (function_exists('random_bytes')) return bin2hex(random_bytes($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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| 
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| 	throw new InvalidArgumentException("No random");
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| }
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| 
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| function isHTTPRequest()
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| {
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| 	return (!isset($_SERVER['HTTPS'])) || empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] == "off";
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| }
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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 $str;
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| 
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| 	return substr($str, 0, $max-3)."...";
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| }
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| 
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| function formatException($e)
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| {
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| 	if ($e === null) return "NULL";
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| 
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| 	if ($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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| 
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| 	return 'object';
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| }
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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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| 
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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 $r;
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| }
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| 
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| function curl_http_request($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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| 
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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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| 
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| 	return [ 'output'=>$output, 'statuscode'=>$httpcode, 'redirect'=>$redirect, 'errnum'=>$errnum, 'errstr'=>$errmsg ];
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| }
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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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| 
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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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