WebSVN – webcounter – Diff – /trunk/includes/functions.inc.php


<?php
 
/*
 * PHP Counter mit Reloadsperre, Textdatenbank und Graphic-Libary (without Error Images)
 * (C)Copyright 2010 - 2022 Daniel Marschall
 * Revision: 2022-01-09
 */
 
function pdox_execute($statement, $args=array()) {
        if (!$statement->execute($args)) {
                echo "SQL Error <br />";
                echo $statement->queryString."<br />";
                echo $statement->errorInfo()[2];
                die();
        }
}
 
function fetchip() {
        return md5($_SERVER['REMOTE_ADDR']); // masked IP wegen DSGVO Kacke
 
        // Das ist alles Quatsch! Dann kann man die IP ja fälschen
        /*
        // Source: http://lists.phpbar.de/pipermail/php/Week-of-Mon-20040322/007749.html
 
        $client_ip = (isset($_SERVER['HTTP_CLIENT_IP'])) ? $_SERVER['HTTP_CLIENT_IP'] : '';
        $x_forwarded_for = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : '';
        $remote_addr = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : '';
 
        if (!empty($client_ip)) {
                $ip_expl = explode('.', $client_ip);
                $referer = explode('.', $remote_addr);
                if($referer[0] != $ip_expl[0]) {
                        $ip = array_reverse($ip_expl);
                        $return = implode('.', $ip);
                } else {
                        $return = $client_ip;
                }
        } else if (!empty($x_forwarded_for)) {
                if (strstr($x_forwarded_for, ',')) {
                        $ip_expl = explode(',', $x_forwarded_for);
                        $return = end($ip_expl);
                }
        } else {
                $return = $remote_addr;
        }
        unset ($client_ip, $x_forwarded_for, $remote_addr, $ip_expl);
        return $return;
        */
}
 
 
function rgb2hsl($r, $g, $b) {
   $var_R = ($r / 255);
   $var_G = ($g / 255);
   $var_B = ($b / 255);
 
   $var_Min = min($var_R, $var_G, $var_B);
   $var_Max = max($var_R, $var_G, $var_B);
   $del_Max = $var_Max - $var_Min;
 
   $v = $var_Max;
 
   if ($del_Max == 0) {
      $h = 0;
      $s = 0;
   } else {
      $s = $del_Max / $var_Max;
 
      $del_R = ( ( ( $var_Max - $var_R ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
      $del_G = ( ( ( $var_Max - $var_G ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
      $del_B = ( ( ( $var_Max - $var_B ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
 
      if      ($var_R == $var_Max) $h = $del_B - $del_G;
      else if ($var_G == $var_Max) $h = ( 1 / 3 ) + $del_R - $del_B;
      else if ($var_B == $var_Max) $h = ( 2 / 3 ) + $del_G - $del_R;
      else $h = 0; // should not happen
 
      if ($h < 0) $h++;
      if ($h > 1) $h--;
   }
 
   return array($h, $s, $v);
}
 
function hsl2rgb($h, $s, $v) {
    if($s == 0) {
        $r = $g = $B = $v * 255;
    } else {
        $var_H = $h * 6;
        $var_i = floor( $var_H );
        $var_1 = $v * ( 1 - $s );
        $var_2 = $v * ( 1 - $s * ( $var_H - $var_i ) );
        $var_3 = $v * ( 1 - $s * (1 - ( $var_H - $var_i ) ) );
 
        if       ($var_i == 0) { $var_R = $v     ; $var_G = $var_3  ; $var_B = $var_1 ; }
        else if  ($var_i == 1) { $var_R = $var_2 ; $var_G = $v      ; $var_B = $var_1 ; }
        else if  ($var_i == 2) { $var_R = $var_1 ; $var_G = $v      ; $var_B = $var_3 ; }
        else if  ($var_i == 3) { $var_R = $var_1 ; $var_G = $var_2  ; $var_B = $v     ; }
        else if  ($var_i == 4) { $var_R = $var_3 ; $var_G = $var_1  ; $var_B = $v     ; }
        else                   { $var_R = $v     ; $var_G = $var_1  ; $var_B = $var_2 ; }
 
        $r = $var_R * 255;
        $g = $var_G * 255;
        $B = $var_B * 255;
    }    
    return array($r, $g, $B);
}
 
function imagehue(&$image, $angle) {
if (!is_numeric($angle)) return;
    if($angle % 360 == 0) return;
    $width = imagesx($image);
    $height = imagesy($image);
 
$imout = imagecreate($width, $height);
 
    for($x = 0; $x < $width; $x++) {
        for($y = 0; $y < $height; $y++) {
            $rgb = imagecolorat($image, $x, $y);
            $r = ($rgb >> 16) & 0xFF;
            $g = ($rgb >> 8) & 0xFF;
            $b = $rgb & 0xFF;            
            $alpha = ($rgb & 0x7F000000) >> 24;
            list($h, $s, $l) = rgb2hsl($r, $g, $b);
            $h += $angle / 360;
            if($h > 1) $h--;
            list($r, $g, $b) = hsl2rgb($h, $s, $l);
            imagesetpixel($imout, $x, $y, imagecolorallocatealpha($imout, $r, $g, $b, $alpha));
        }
    }
 
        imagedestroy($image);
        $image = $imout;
}
 
/**
 * TRUE if any tag matched
 * FALSE if none matched
 * NULL if header is not specified
 * http://stackoverflow.com/questions/2086712/http-if-none-match-and-if-modified-since-and-304-clarification-in-php
 */
function anyTagMatched($myTag) {
    $if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ?
        stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) :
        false ;
 
    if( false !== $if_none_match ) {
        $tags = explode( ", ", $if_none_match ) ;
        foreach( $tags as $tag ) {
            if( $tag == $myTag ) return true ;
        }
        return false ;
    }
    return null ;
}
 
 

Rev 3	Rev 7
1	<?php	1	<?php
2		2
3	/*	3	/*
4	* PHP Counter mit Reloadsperre, Textdatenbank und Graphic-Libary (without Error Images)	4	* PHP Counter mit Reloadsperre, Textdatenbank und Graphic-Libary (without Error Images)
5	* (C)Copyright 2010 - 2019 Daniel Marschall	5	* (C)Copyright 2010 - 2022 Daniel Marschall
6	* Revision: 2019-02-18	6	* Revision: 2022-01-09
7	*/	7	*/
8		8
9	function pdox_execute($statement, $args=array()) {	9	function pdox_execute($statement, $args=array()) {
10	if (!$statement->execute($args)) {	10	if (!$statement->execute($args)) {
11	echo "SQL Error <br />";	11	echo "SQL Error <br />";
12	echo $statement->queryString."<br />";	12	echo $statement->queryString."<br />";
13	echo $statement->errorInfo()[2];	13	echo $statement->errorInfo()[2];
14	die();	14	die();
15	}	15	}
16	}	16	}
17		17
18	function fetchip() {	18	function fetchip() {
19	return md5($_SERVER['REMOTE_ADDR']); // masked IP wegen DSGVO Kacke	19	return md5($_SERVER['REMOTE_ADDR']); // masked IP wegen DSGVO Kacke
20		20
21	// Das ist alles Quatsch! Dann kann man die IP ja fälschen	21	// Das ist alles Quatsch! Dann kann man die IP ja fälschen
22	/*	22	/*
23	// Source: http://lists.phpbar.de/pipermail/php/Week-of-Mon-20040322/007749.html	23	// Source: http://lists.phpbar.de/pipermail/php/Week-of-Mon-20040322/007749.html
24		24
25	$client_ip = (isset($_SERVER['HTTP_CLIENT_IP'])) ? $_SERVER['HTTP_CLIENT_IP'] : '';	25	$client_ip = (isset($_SERVER['HTTP_CLIENT_IP'])) ? $_SERVER['HTTP_CLIENT_IP'] : '';
26	$x_forwarded_for = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : '';	26	$x_forwarded_for = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : '';
27	$remote_addr = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : '';	27	$remote_addr = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : '';
28		28
29	if (!empty($client_ip)) {	29	if (!empty($client_ip)) {
30	$ip_expl = explode('.', $client_ip);	30	$ip_expl = explode('.', $client_ip);
31	$referer = explode('.', $remote_addr);	31	$referer = explode('.', $remote_addr);
32	if($referer[0] != $ip_expl[0]) {	32	if($referer[0] != $ip_expl[0]) {
33	$ip = array_reverse($ip_expl);	33	$ip = array_reverse($ip_expl);
34	$return = implode('.', $ip);	34	$return = implode('.', $ip);
35	} else {	35	} else {
36	$return = $client_ip;	36	$return = $client_ip;
37	}	37	}
38	} else if (!empty($x_forwarded_for)) {	38	} else if (!empty($x_forwarded_for)) {
39	if (strstr($x_forwarded_for, ',')) {	39	if (strstr($x_forwarded_for, ',')) {
40	$ip_expl = explode(',', $x_forwarded_for);	40	$ip_expl = explode(',', $x_forwarded_for);
41	$return = end($ip_expl);	41	$return = end($ip_expl);
42	}	42	}
43	} else {	43	} else {
44	$return = $remote_addr;	44	$return = $remote_addr;
45	}	45	}
46	unset ($client_ip, $x_forwarded_for, $remote_addr, $ip_expl);	46	unset ($client_ip, $x_forwarded_for, $remote_addr, $ip_expl);
47	return $return;	47	return $return;
48	*/	48	*/
49	}	49	}
50		50
51		51
52	function rgb2hsl($r, $g, $b) {	52	function rgb2hsl($r, $g, $b) {
53	$var_R = ($r / 255);	53	$var_R = ($r / 255);
54	$var_G = ($g / 255);	54	$var_G = ($g / 255);
55	$var_B = ($b / 255);	55	$var_B = ($b / 255);
56		56
57	$var_Min = min($var_R, $var_G, $var_B);	57	$var_Min = min($var_R, $var_G, $var_B);
58	$var_Max = max($var_R, $var_G, $var_B);	58	$var_Max = max($var_R, $var_G, $var_B);
59	$del_Max = $var_Max - $var_Min;	59	$del_Max = $var_Max - $var_Min;
60		60
61	$v = $var_Max;	61	$v = $var_Max;
62		62
63	if ($del_Max == 0) {	63	if ($del_Max == 0) {
64	$h = 0;	64	$h = 0;
65	$s = 0;	65	$s = 0;
66	} else {	66	} else {
67	$s = $del_Max / $var_Max;	67	$s = $del_Max / $var_Max;
68		68
69	$del_R = ( ( ( $var_Max - $var_R ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;	69	$del_R = ( ( ( $var_Max - $var_R ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
70	$del_G = ( ( ( $var_Max - $var_G ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;	70	$del_G = ( ( ( $var_Max - $var_G ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
71	$del_B = ( ( ( $var_Max - $var_B ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;	71	$del_B = ( ( ( $var_Max - $var_B ) / 6 ) + ( $del_Max / 2 ) ) / $del_Max;
72		72
73	if ($var_R == $var_Max) $h = $del_B - $del_G;	73	if ($var_R == $var_Max) $h = $del_B - $del_G;
74	else if ($var_G == $var_Max) $h = ( 1 / 3 ) + $del_R - $del_B;	74	else if ($var_G == $var_Max) $h = ( 1 / 3 ) + $del_R - $del_B;
75	else if ($var_B == $var_Max) $h = ( 2 / 3 ) + $del_G - $del_R;	75	else if ($var_B == $var_Max) $h = ( 2 / 3 ) + $del_G - $del_R;
-		76	else $h = 0; // should not happen
76		77
77	if ($h < 0) $h++;	78	if ($h < 0) $h++;
78	if ($h > 1) $h--;	79	if ($h > 1) $h--;
79	}	80	}
80		81
81	return array($h, $s, $v);	82	return array($h, $s, $v);
82	}	83	}
83		84
84	function hsl2rgb($h, $s, $v) {	85	function hsl2rgb($h, $s, $v) {
85	if($s == 0) {	86	if($s == 0) {
86	$r = $g = $B = $v * 255;	87	$r = $g = $B = $v * 255;
87	} else {	88	} else {
88	$var_H = $h * 6;	89	$var_H = $h * 6;
89	$var_i = floor( $var_H );	90	$var_i = floor( $var_H );
90	$var_1 = $v * ( 1 - $s );	91	$var_1 = $v * ( 1 - $s );
91	$var_2 = $v * ( 1 - $s * ( $var_H - $var_i ) );	92	$var_2 = $v * ( 1 - $s * ( $var_H - $var_i ) );
92	$var_3 = $v * ( 1 - $s * (1 - ( $var_H - $var_i ) ) );	93	$var_3 = $v * ( 1 - $s * (1 - ( $var_H - $var_i ) ) );
93		94
94	if ($var_i == 0) { $var_R = $v ; $var_G = $var_3 ; $var_B = $var_1 ; }	95	if ($var_i == 0) { $var_R = $v ; $var_G = $var_3 ; $var_B = $var_1 ; }
95	else if ($var_i == 1) { $var_R = $var_2 ; $var_G = $v ; $var_B = $var_1 ; }	96	else if ($var_i == 1) { $var_R = $var_2 ; $var_G = $v ; $var_B = $var_1 ; }
96	else if ($var_i == 2) { $var_R = $var_1 ; $var_G = $v ; $var_B = $var_3 ; }	97	else if ($var_i == 2) { $var_R = $var_1 ; $var_G = $v ; $var_B = $var_3 ; }
97	else if ($var_i == 3) { $var_R = $var_1 ; $var_G = $var_2 ; $var_B = $v ; }	98	else if ($var_i == 3) { $var_R = $var_1 ; $var_G = $var_2 ; $var_B = $v ; }
98	else if ($var_i == 4) { $var_R = $var_3 ; $var_G = $var_1 ; $var_B = $v ; }	99	else if ($var_i == 4) { $var_R = $var_3 ; $var_G = $var_1 ; $var_B = $v ; }
99	else { $var_R = $v ; $var_G = $var_1 ; $var_B = $var_2 ; }	100	else { $var_R = $v ; $var_G = $var_1 ; $var_B = $var_2 ; }
100		101
101	$r = $var_R * 255;	102	$r = $var_R * 255;
102	$g = $var_G * 255;	103	$g = $var_G * 255;
103	$B = $var_B * 255;	104	$B = $var_B * 255;
104	}	105	}
105	return array($r, $g, $B);	106	return array($r, $g, $B);
106	}	107	}
107		108
108	function imagehue(&$image, $angle) {	109	function imagehue(&$image, $angle) {
109	if (!is_numeric($angle)) return;	110	if (!is_numeric($angle)) return;
110	if($angle % 360 == 0) return;	111	if($angle % 360 == 0) return;
111	$width = imagesx($image);	112	$width = imagesx($image);
112	$height = imagesy($image);	113	$height = imagesy($image);
113		114
114	$imout = imagecreate($width, $height);	115	$imout = imagecreate($width, $height);
115		116
116	for($x = 0; $x < $width; $x++) {	117	for($x = 0; $x < $width; $x++) {
117	for($y = 0; $y < $height; $y++) {	118	for($y = 0; $y < $height; $y++) {
118	$rgb = imagecolorat($image, $x, $y);	119	$rgb = imagecolorat($image, $x, $y);
119	$r = ($rgb >> 16) & 0xFF;	120	$r = ($rgb >> 16) & 0xFF;
120	$g = ($rgb >> 8) & 0xFF;	121	$g = ($rgb >> 8) & 0xFF;
121	$b = $rgb & 0xFF;	122	$b = $rgb & 0xFF;
122	$alpha = ($rgb & 0x7F000000) >> 24;	123	$alpha = ($rgb & 0x7F000000) >> 24;
123	list($h, $s, $l) = rgb2hsl($r, $g, $b);	124	list($h, $s, $l) = rgb2hsl($r, $g, $b);
124	$h += $angle / 360;	125	$h += $angle / 360;
125	if($h > 1) $h--;	126	if($h > 1) $h--;
126	list($r, $g, $b) = hsl2rgb($h, $s, $l);	127	list($r, $g, $b) = hsl2rgb($h, $s, $l);
127	imagesetpixel($imout, $x, $y, imagecolorallocatealpha($imout, $r, $g, $b, $alpha));	128	imagesetpixel($imout, $x, $y, imagecolorallocatealpha($imout, $r, $g, $b, $alpha));
128	}	129	}
129	}	130	}
130		131
131	imagedestroy($image);	132	imagedestroy($image);
132	$image = $imout;	133	$image = $imout;
133	}	134	}
134		135
135	/**	136	/**
136	* TRUE if any tag matched	137	* TRUE if any tag matched
137	* FALSE if none matched	138	* FALSE if none matched
138	* NULL if header is not specified	139	* NULL if header is not specified
139	* http://stackoverflow.com/questions/2086712/http-if-none-match-and-if-modified-since-and-304-clarification-in-php	140	* http://stackoverflow.com/questions/2086712/http-if-none-match-and-if-modified-since-and-304-clarification-in-php
140	*/	141	*/
141	function anyTagMatched($myTag) {	142	function anyTagMatched($myTag) {
142	$if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ?	143	$if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ?
143	stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) :	144	stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) :
144	false ;	145	false ;
145		146
146	if( false !== $if_none_match ) {	147	if( false !== $if_none_match ) {
147	$tags = explode( ", ", $if_none_match ) ;	148	$tags = explode( ", ", $if_none_match ) ;
148	foreach( $tags as $tag ) {	149	foreach( $tags as $tag ) {
149	if( $tag == $myTag ) return true ;	150	if( $tag == $myTag ) return true ;
150	}	151	}
151	return false ;	152	return false ;
152	}	153	}
153	return null ;	154	return null ;
154	}	155	}
155		156
156		157

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