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<?php |
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////////////////////////////////////////////////////////////// |
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// phpThumb() by James Heinrich <[email protected]> // |
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// available at http://phpthumb.sourceforge.net // |
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// and/or https://github.com/JamesHeinrich/phpThumb // |
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////////////////////////////////////////////////////////////// |
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/// // |
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// phpthumb.functions.php - general support functions // |
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// /// |
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////////////////////////////////////////////////////////////// |
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/** |
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* Class phpthumb_functions |
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*/ |
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class phpthumb_functions |
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{ |
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/** |
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* @param $functionname |
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* @return bool |
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*/ |
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public static function user_function_exists($functionname) |
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{ |
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if (function_exists('get_defined_functions')) { |
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static $get_defined_functions = []; |
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if (empty($get_defined_functions)) { |
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$get_defined_functions = get_defined_functions(); |
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} |
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return in_array(strtolower($functionname), $get_defined_functions['user']); |
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} |
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return function_exists($functionname); |
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} |
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/** |
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* @param $functionname |
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* @return bool |
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*/ |
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public static function builtin_function_exists($functionname) |
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{ |
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if (function_exists('get_defined_functions')) { |
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static $get_defined_functions = []; |
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if (empty($get_defined_functions)) { |
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$get_defined_functions = get_defined_functions(); |
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} |
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return in_array(strtolower($functionname), $get_defined_functions['internal']); |
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} |
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return function_exists($functionname); |
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} |
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/** |
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* @param $version1 |
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* @param $version2 |
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* @param string $operator |
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* @return int |
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*/ |
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public static function version_compare_replacement_sub($version1, $version2, $operator = '') |
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{ |
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// If you specify the third optional operator argument, you can test for a particular relationship. |
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// The possible operators are: <, lt, <=, le, >, gt, >=, ge, ==, =, eq, !=, <>, ne respectively. |
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// Using this argument, the function will return 1 if the relationship is the one specified by the operator, 0 otherwise. |
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// If a part contains special version strings these are handled in the following order: |
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// (any string not found in this list) < (dev) < (alpha = a) < (beta = b) < (RC = rc) < (#) < (pl = p) |
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static $versiontype_lookup = []; |
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if (empty($versiontype_lookup)) { |
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$versiontype_lookup['dev'] = 10001; |
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$versiontype_lookup['a'] = 10002; |
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$versiontype_lookup['alpha'] = 10002; |
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$versiontype_lookup['b'] = 10003; |
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$versiontype_lookup['beta'] = 10003; |
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$versiontype_lookup['RC'] = 10004; |
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$versiontype_lookup['rc'] = 10004; |
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$versiontype_lookup['#'] = 10005; |
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$versiontype_lookup['pl'] = 10006; |
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$versiontype_lookup['p'] = 10006; |
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} |
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$version1 = (isset($versiontype_lookup[$version1]) ? $versiontype_lookup[$version1] : $version1); |
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$version2 = (isset($versiontype_lookup[$version2]) ? $versiontype_lookup[$version2] : $version2); |
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switch ($operator) { |
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case '<': |
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case 'lt': |
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return (int)($version1 < $version2); |
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break; |
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case '<=': |
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case 'le': |
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return (int)($version1 <= $version2); |
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break; |
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case '>': |
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case 'gt': |
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return (int)($version1 > $version2); |
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break; |
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case '>=': |
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case 'ge': |
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return (int)($version1 >= $version2); |
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break; |
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case '==': |
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case '=': |
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case 'eq': |
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return (int)($version1 == $version2); |
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break; |
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case '!=': |
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case '<>': |
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case 'ne': |
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return (int)($version1 != $version2); |
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break; |
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} |
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if ($version1 == $version2) { |
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return 0; |
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} elseif ($version1 < $version2) { |
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return -1; |
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} |
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return 1; |
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} |
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/** |
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* @param $version1 |
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* @param $version2 |
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* @param string $operator |
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* @return int|mixed |
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*/ |
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public static function version_compare_replacement($version1, $version2, $operator = '') |
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{ |
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if (function_exists('version_compare')) { |
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// built into PHP v4.1.0+ |
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return version_compare($version1, $version2, $operator); |
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} |
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// The function first replaces _, - and + with a dot . in the version strings |
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$version1 = strtr($version1, '_-+', '...'); |
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$version2 = strtr($version2, '_-+', '...'); |
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// and also inserts dots . before and after any non number so that for example '4.3.2RC1' becomes '4.3.2.RC.1'. |
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// Then it splits the results like if you were using explode('.',$ver). Then it compares the parts starting from left to right. |
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$version1 = preg_replace('#([0-9]+)([A-Z]+)([0-9]+)#i', '$1.$2.$3', $version1); |
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$version2 = preg_replace('#([0-9]+)([A-Z]+)([0-9]+)#i', '$1.$2.$3', $version2); |
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$parts1 = explode('.', $version1); |
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$parts2 = explode('.', $version1); |
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$parts_count = max(count($parts1), count($parts2)); |
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for ($i = 0; $i < $parts_count; $i++) { |
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$comparison = self::version_compare_replacement_sub($version1, $version2, $operator); |
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if (0 != $comparison) { |
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return $comparison; |
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} |
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} |
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return 0; |
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} |
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/** |
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* @param $arg |
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* @return string |
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*/ |
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public static function escapeshellarg_replacement($arg) |
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{ |
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if (function_exists('escapeshellarg') && !self::FunctionIsDisabled('escapeshellarg')) { |
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return escapeshellarg($arg); |
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} |
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return '\'' . str_replace('\'', '\\\'', $arg) . '\''; |
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} |
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/** |
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* @return array |
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*/ |
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public static function phpinfo_array() |
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{ |
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static $phpinfo_array = []; |
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if (empty($phpinfo_array)) { |
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ob_start(); |
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phpinfo(); |
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$phpinfo = ob_get_contents(); |
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ob_end_clean(); |
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$phpinfo_array = explode("\n", $phpinfo); |
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} |
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return $phpinfo_array; |
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} |
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/** |
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* @return array |
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*/ |
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public static function exif_info() |
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{ |
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static $exif_info = []; |
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if (empty($exif_info)) { |
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// based on code by johnschaefer at gmx dot de |
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// from PHP help on gd_info() |
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$exif_info = [ |
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'EXIF Support' => '', |
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'EXIF Version' => '', |
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'Supported EXIF Version' => '', |
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'Supported filetypes' => '' |
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]; |
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$phpinfo_array = self::phpinfo_array(); |
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foreach ($phpinfo_array as $line) { |
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$line = trim(strip_tags($line)); |
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foreach ($exif_info as $key => $value) { |
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if (0 === strpos($line, $key)) { |
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$newvalue = trim(str_replace($key, '', $line)); |
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$exif_info[$key] = $newvalue; |
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} |
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} |
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} |
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} |
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return $exif_info; |
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} |
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/** |
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* @param $imagetype |
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* @return bool|mixed|string |
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*/ |
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public static function ImageTypeToMIMEtype($imagetype) |
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{ |
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if (function_exists('image_type_to_mime_type') && ($imagetype >= 1) && ($imagetype <= 16)) { |
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// PHP v4.3.0+ |
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return image_type_to_mime_type($imagetype); |
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} |
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static $image_type_to_mime_type = [ |
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1 => 'image/gif', // IMAGETYPE_GIF |
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2 => 'image/jpeg', // IMAGETYPE_JPEG |
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3 => 'image/png', // IMAGETYPE_PNG |
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4 => 'application/x-shockwave-flash', // IMAGETYPE_SWF |
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5 => 'image/psd', // IMAGETYPE_PSD |
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6 => 'image/bmp', // IMAGETYPE_BMP |
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7 => 'image/tiff', // IMAGETYPE_TIFF_II (intel byte order) |
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8 => 'image/tiff', // IMAGETYPE_TIFF_MM (motorola byte order) |
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9 => 'application/octet-stream', // IMAGETYPE_JPC |
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10 => 'image/jp2', // IMAGETYPE_JP2 |
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11 => 'application/octet-stream', // IMAGETYPE_JPX |
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12 => 'application/octet-stream', // IMAGETYPE_JB2 |
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13 => 'application/x-shockwave-flash', // IMAGETYPE_SWC |
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14 => 'image/iff', // IMAGETYPE_IFF |
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15 => 'image/vnd.wap.wbmp', // IMAGETYPE_WBMP |
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16 => 'image/xbm', // IMAGETYPE_XBM |
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'gif' => 'image/gif', // IMAGETYPE_GIF |
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'jpg' => 'image/jpeg', // IMAGETYPE_JPEG |
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'jpeg' => 'image/jpeg', // IMAGETYPE_JPEG |
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'png' => 'image/png', // IMAGETYPE_PNG |
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'bmp' => 'image/bmp', // IMAGETYPE_BMP |
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'ico' => 'image/x-icon', |
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]; |
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return (isset($image_type_to_mime_type[$imagetype]) ? $image_type_to_mime_type[$imagetype] : false); |
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} |
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/** |
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* @param $width |
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* @param $height |
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* @param $angle |
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* @return array |
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*/ |
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public static function TranslateWHbyAngle($width, $height, $angle) |
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{ |
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if (0 == ($angle % 180)) { |
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return [$width, $height]; |
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} |
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$newwidth = (abs(sin(deg2rad($angle))) * $height) + (abs(cos(deg2rad($angle))) * $width); |
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$newheight = (abs(sin(deg2rad($angle))) * $width) + (abs(cos(deg2rad($angle))) * $height); |
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return [$newwidth, $newheight]; |
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} |
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/** |
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* @param $string |
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* @return string |
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*/ |
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public static function HexCharDisplay($string) |
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{ |
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$len = strlen($string); |
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$output = ''; |
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for ($i = 0; $i < $len; $i++) { |
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$output .= ' 0x' . str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT); |
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} |
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return $output; |
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} |
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286
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/** |
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287
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* @param $HexColorString |
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288
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* @return false|int |
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*/ |
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290
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public static function IsHexColor($HexColorString) |
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{ |
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return preg_match('#^[0-9A-F]{6}$#i', $HexColorString); |
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} |
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295
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/** |
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296
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* @param $gdimg_hexcolorallocate |
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* @param $R |
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298
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* @param $G |
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* @param $B |
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* @param bool $alpha |
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* @return int |
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302
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*/ |
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303
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public static function ImageColorAllocateAlphaSafe(&$gdimg_hexcolorallocate, $R, $G, $B, $alpha = false) |
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{ |
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if (self::version_compare_replacement(PHP_VERSION, '4.3.2', '>=') && (false !== $alpha)) { |
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return imagecolorallocatealpha($gdimg_hexcolorallocate, $R, $G, $B, (int)$alpha); |
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} else { |
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return imagecolorallocate($gdimg_hexcolorallocate, $R, $G, $B); |
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309
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} |
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310
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} |
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311
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312
|
|
|
/** |
|
313
|
|
|
* @param $gdimg_hexcolorallocate |
|
314
|
|
|
* @param $HexColorString |
|
315
|
|
|
* @param bool $dieOnInvalid |
|
316
|
|
|
* @param bool $alpha |
|
317
|
|
|
* @return int |
|
318
|
|
|
*/ |
|
319
|
|
|
public static function ImageHexColorAllocate( |
|
320
|
|
|
&$gdimg_hexcolorallocate, |
|
321
|
|
|
$HexColorString, |
|
322
|
|
|
$dieOnInvalid = false, |
|
323
|
|
|
$alpha = false |
|
324
|
|
|
) { |
|
325
|
|
|
if (!is_resource($gdimg_hexcolorallocate)) { |
|
326
|
|
|
die('$gdimg_hexcolorallocate is not a GD resource in ImageHexColorAllocate()'); |
|
|
|
|
|
|
327
|
|
|
} |
|
328
|
|
|
if (self::IsHexColor($HexColorString)) { |
|
329
|
|
|
$R = hexdec(substr($HexColorString, 0, 2)); |
|
330
|
|
|
$G = hexdec(substr($HexColorString, 2, 2)); |
|
331
|
|
|
$B = hexdec(substr($HexColorString, 4, 2)); |
|
332
|
|
|
|
|
333
|
|
|
return self::ImageColorAllocateAlphaSafe($gdimg_hexcolorallocate, $R, $G, $B, $alpha); |
|
334
|
|
|
} |
|
335
|
|
|
if ($dieOnInvalid) { |
|
336
|
|
|
die('Invalid hex color string: "' . $HexColorString . '"'); |
|
|
|
|
|
|
337
|
|
|
} |
|
338
|
|
|
|
|
339
|
|
|
return imagecolorallocate($gdimg_hexcolorallocate, 0x00, 0x00, 0x00); |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* @param $hexcolor |
|
344
|
|
|
* @return string |
|
345
|
|
|
*/ |
|
346
|
|
|
public static function HexColorXOR($hexcolor) |
|
347
|
|
|
{ |
|
348
|
|
|
return strtoupper(str_pad(dechex(~hexdec($hexcolor) & 0xFFFFFF), 6, '0', STR_PAD_LEFT)); |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* @param $img |
|
353
|
|
|
* @param $x |
|
354
|
|
|
* @param $y |
|
355
|
|
|
* @return array|bool |
|
356
|
|
|
*/ |
|
357
|
|
|
public static function GetPixelColor(&$img, $x, $y) |
|
358
|
|
|
{ |
|
359
|
|
|
if (!is_resource($img)) { |
|
360
|
|
|
return false; |
|
361
|
|
|
} |
|
362
|
|
|
|
|
363
|
|
|
return @imagecolorsforindex($img, @imagecolorat($img, $x, $y)); |
|
364
|
|
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* @param $currentPixel |
|
368
|
|
|
* @param $targetPixel |
|
369
|
|
|
* @return float|int |
|
370
|
|
|
*/ |
|
371
|
|
|
public static function PixelColorDifferencePercent($currentPixel, $targetPixel) |
|
372
|
|
|
{ |
|
373
|
|
|
$diff = 0; |
|
374
|
|
|
foreach ($targetPixel as $channel => $currentvalue) { |
|
375
|
|
|
$diff = max($diff, (max($currentPixel[$channel], $targetPixel[$channel]) - min($currentPixel[$channel], $targetPixel[$channel])) / 255); |
|
376
|
|
|
} |
|
377
|
|
|
|
|
378
|
|
|
return $diff * 100; |
|
379
|
|
|
} |
|
380
|
|
|
|
|
381
|
|
|
/** |
|
382
|
|
|
* @param $r |
|
383
|
|
|
* @param $g |
|
384
|
|
|
* @param $b |
|
385
|
|
|
* @return float |
|
386
|
|
|
*/ |
|
387
|
|
|
public static function GrayscaleValue($r, $g, $b) |
|
388
|
|
|
{ |
|
389
|
|
|
return round(($r * 0.30) + ($g * 0.59) + ($b * 0.11)); |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
/** |
|
393
|
|
|
* @param $OriginalPixel |
|
394
|
|
|
* @return array |
|
395
|
|
|
*/ |
|
396
|
|
|
public static function GrayscalePixel($OriginalPixel) |
|
397
|
|
|
{ |
|
398
|
|
|
$gray = self::GrayscaleValue($OriginalPixel['red'], $OriginalPixel['green'], $OriginalPixel['blue']); |
|
399
|
|
|
|
|
400
|
|
|
return ['red' => $gray, 'green' => $gray, 'blue' => $gray]; |
|
401
|
|
|
} |
|
402
|
|
|
|
|
403
|
|
|
/** |
|
404
|
|
|
* @param $rgb |
|
405
|
|
|
* @return float |
|
406
|
|
|
*/ |
|
407
|
|
|
public static function GrayscalePixelRGB($rgb) |
|
408
|
|
|
{ |
|
409
|
|
|
$r = ($rgb >> 16) & 0xFF; |
|
410
|
|
|
$g = ($rgb >> 8) & 0xFF; |
|
411
|
|
|
$b = $rgb & 0xFF; |
|
412
|
|
|
|
|
413
|
|
|
return ($r * 0.299) + ($g * 0.587) + ($b * 0.114); |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
/** |
|
417
|
|
|
* @param $width |
|
418
|
|
|
* @param $height |
|
419
|
|
|
* @param null $maxwidth |
|
|
|
|
|
|
420
|
|
|
* @param null $maxheight |
|
|
|
|
|
|
421
|
|
|
* @param bool $allow_enlarge |
|
422
|
|
|
* @param bool $allow_reduce |
|
423
|
|
|
* @return mixed |
|
424
|
|
|
*/ |
|
425
|
|
|
public static function ScaleToFitInBox( |
|
426
|
|
|
$width, |
|
427
|
|
|
$height, |
|
428
|
|
|
$maxwidth = null, |
|
429
|
|
|
$maxheight = null, |
|
430
|
|
|
$allow_enlarge = true, |
|
431
|
|
|
$allow_reduce = true |
|
432
|
|
|
) { |
|
433
|
|
|
$maxwidth = (null === $maxwidth ? $width : $maxwidth); |
|
|
|
|
|
|
434
|
|
|
$maxheight = (null === $maxheight ? $height : $maxheight); |
|
|
|
|
|
|
435
|
|
|
$scale_x = 1; |
|
436
|
|
|
$scale_y = 1; |
|
437
|
|
|
if (($width > $maxwidth) || ($width < $maxwidth)) { |
|
438
|
|
|
$scale_x = ($maxwidth / $width); |
|
439
|
|
|
} |
|
440
|
|
|
if (($height > $maxheight) || ($height < $maxheight)) { |
|
441
|
|
|
$scale_y = ($maxheight / $height); |
|
442
|
|
|
} |
|
443
|
|
|
$scale = min($scale_x, $scale_y); |
|
444
|
|
|
if (!$allow_enlarge) { |
|
445
|
|
|
$scale = min($scale, 1); |
|
446
|
|
|
} |
|
447
|
|
|
if (!$allow_reduce) { |
|
448
|
|
|
$scale = max($scale, 1); |
|
449
|
|
|
} |
|
450
|
|
|
|
|
451
|
|
|
return $scale; |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
/** |
|
455
|
|
|
* @param $dst_img |
|
456
|
|
|
* @param $src_img |
|
457
|
|
|
* @param $dst_x |
|
458
|
|
|
* @param $dst_y |
|
459
|
|
|
* @param $src_x |
|
460
|
|
|
* @param $src_y |
|
461
|
|
|
* @param $dst_w |
|
462
|
|
|
* @param $dst_h |
|
463
|
|
|
* @param $src_w |
|
464
|
|
|
* @param $src_h |
|
465
|
|
|
* @return bool |
|
466
|
|
|
*/ |
|
467
|
|
|
public static function ImageCopyResampleBicubic( |
|
468
|
|
|
$dst_img, |
|
469
|
|
|
$src_img, |
|
470
|
|
|
$dst_x, |
|
471
|
|
|
$dst_y, |
|
472
|
|
|
$src_x, |
|
473
|
|
|
$src_y, |
|
474
|
|
|
$dst_w, |
|
475
|
|
|
$dst_h, |
|
476
|
|
|
$src_w, |
|
477
|
|
|
$src_h |
|
478
|
|
|
) { |
|
479
|
|
|
// ron at korving dot demon dot nl |
|
480
|
|
|
// http://www.php.net/imagecopyresampled |
|
481
|
|
|
|
|
482
|
|
|
$scaleX = ($src_w - 1) / $dst_w; |
|
483
|
|
|
$scaleY = ($src_h - 1) / $dst_h; |
|
484
|
|
|
|
|
485
|
|
|
$scaleX2 = $scaleX / 2.0; |
|
486
|
|
|
$scaleY2 = $scaleY / 2.0; |
|
487
|
|
|
|
|
488
|
|
|
$isTrueColor = imageistruecolor($src_img); |
|
489
|
|
|
|
|
490
|
|
|
for ($y = $src_y; $y < $src_y + $dst_h; $y++) { |
|
491
|
|
|
$sY = $y * $scaleY; |
|
492
|
|
|
$siY = (int)$sY; |
|
493
|
|
|
$siY2 = (int)$sY + $scaleY2; |
|
494
|
|
|
|
|
495
|
|
|
for ($x = $src_x; $x < $src_x + $dst_w; $x++) { |
|
496
|
|
|
$sX = $x * $scaleX; |
|
497
|
|
|
$siX = (int)$sX; |
|
498
|
|
|
$siX2 = (int)$sX + $scaleX2; |
|
499
|
|
|
|
|
500
|
|
|
if ($isTrueColor) { |
|
501
|
|
|
$c1 = imagecolorat($src_img, $siX, $siY2); |
|
502
|
|
|
$c2 = imagecolorat($src_img, $siX, $siY); |
|
503
|
|
|
$c3 = imagecolorat($src_img, $siX2, $siY2); |
|
504
|
|
|
$c4 = imagecolorat($src_img, $siX2, $siY); |
|
505
|
|
|
|
|
506
|
|
|
$r = (($c1 + $c2 + $c3 + $c4) >> 2) & 0xFF0000; |
|
507
|
|
|
$g = ((($c1 & 0x00FF00) + ($c2 & 0x00FF00) + ($c3 & 0x00FF00) + ($c4 & 0x00FF00)) >> 2) & 0x00FF00; |
|
508
|
|
|
$b = ((($c1 & 0x0000FF) + ($c2 & 0x0000FF) + ($c3 & 0x0000FF) + ($c4 & 0x0000FF)) >> 2); |
|
509
|
|
|
} else { |
|
510
|
|
|
$c1 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY2)); |
|
511
|
|
|
$c2 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY)); |
|
512
|
|
|
$c3 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY2)); |
|
513
|
|
|
$c4 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY)); |
|
514
|
|
|
|
|
515
|
|
|
$r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) << 14; |
|
516
|
|
|
$g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) << 6; |
|
517
|
|
|
$b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) >> 2; |
|
518
|
|
|
} |
|
519
|
|
|
imagesetpixel($dst_img, $dst_x + $x - $src_x, $dst_y + $y - $src_y, $r + $g + $b); |
|
520
|
|
|
} |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
return true; |
|
524
|
|
|
} |
|
525
|
|
|
|
|
526
|
|
|
/** |
|
527
|
|
|
* @param $x_size |
|
528
|
|
|
* @param $y_size |
|
529
|
|
|
* @return bool |
|
530
|
|
|
*/ |
|
531
|
|
|
public static function ImageCreateFunction($x_size, $y_size) |
|
532
|
|
|
{ |
|
533
|
|
|
$ImageCreateFunction = 'imagecreate'; |
|
534
|
|
|
if (self::gd_version() >= 2.0) { |
|
535
|
|
|
$ImageCreateFunction = 'imagecreatetruecolor'; |
|
536
|
|
|
} |
|
537
|
|
|
if (!function_exists($ImageCreateFunction)) { |
|
538
|
|
|
return phpthumb::ErrorImage($ImageCreateFunction . '() does not exist - no GD support?'); |
|
|
|
|
|
|
539
|
|
|
} |
|
540
|
|
|
if (($x_size <= 0) || ($y_size <= 0)) { |
|
541
|
|
|
return phpthumb::ErrorImage('Invalid image dimensions: ' . $ImageCreateFunction . '(' . $x_size . ', ' . $y_size . ')'); |
|
542
|
|
|
} |
|
543
|
|
|
|
|
544
|
|
|
return $ImageCreateFunction(round($x_size), round($y_size)); |
|
545
|
|
|
} |
|
546
|
|
|
|
|
547
|
|
|
/** |
|
548
|
|
|
* @param $dst_im |
|
549
|
|
|
* @param $src_im |
|
550
|
|
|
* @param $dst_x |
|
551
|
|
|
* @param $dst_y |
|
552
|
|
|
* @param $src_x |
|
553
|
|
|
* @param $src_y |
|
554
|
|
|
* @param $src_w |
|
555
|
|
|
* @param $src_h |
|
556
|
|
|
* @param int $opacity_pct |
|
557
|
|
|
* @return bool |
|
558
|
|
|
*/ |
|
559
|
|
|
public static function ImageCopyRespectAlpha( |
|
560
|
|
|
&$dst_im, |
|
561
|
|
|
&$src_im, |
|
562
|
|
|
$dst_x, |
|
563
|
|
|
$dst_y, |
|
564
|
|
|
$src_x, |
|
565
|
|
|
$src_y, |
|
566
|
|
|
$src_w, |
|
567
|
|
|
$src_h, |
|
568
|
|
|
$opacity_pct = 100 |
|
569
|
|
|
) { |
|
570
|
|
|
$opacipct = $opacity_pct / 100; |
|
571
|
|
|
for ($x = $src_x; $x < $src_w; $x++) { |
|
572
|
|
|
for ($y = $src_y; $y < $src_h; $y++) { |
|
573
|
|
|
$RealPixel = self::GetPixelColor($dst_im, $dst_x + $x, $dst_y + $y); |
|
574
|
|
|
$OverlayPixel = self::GetPixelColor($src_im, $x, $y); |
|
575
|
|
|
$alphapct = $OverlayPixel['alpha'] / 127; |
|
576
|
|
|
$overlaypct = (1 - $alphapct) * $opacipct; |
|
577
|
|
|
|
|
578
|
|
|
$newcolor = self::ImageColorAllocateAlphaSafe( |
|
579
|
|
|
$dst_im, |
|
580
|
|
|
round($RealPixel['red'] * (1 - $overlaypct)) + ($OverlayPixel['red'] * $overlaypct), |
|
581
|
|
|
round($RealPixel['green'] * (1 - $overlaypct)) + ($OverlayPixel['green'] * $overlaypct), |
|
582
|
|
|
round($RealPixel['blue'] * (1 - $overlaypct)) + ($OverlayPixel['blue'] * $overlaypct), //$RealPixel['alpha']); |
|
|
|
|
|
|
583
|
|
|
0 |
|
584
|
|
|
); |
|
585
|
|
|
|
|
586
|
|
|
imagesetpixel($dst_im, $dst_x + $x, $dst_y + $y, $newcolor); |
|
587
|
|
|
} |
|
588
|
|
|
} |
|
589
|
|
|
|
|
590
|
|
|
return true; |
|
591
|
|
|
} |
|
592
|
|
|
|
|
593
|
|
|
/** |
|
594
|
|
|
* @param $old_width |
|
595
|
|
|
* @param $old_height |
|
596
|
|
|
* @param bool $new_width |
|
597
|
|
|
* @param bool $new_height |
|
598
|
|
|
* @return array|bool |
|
599
|
|
|
*/ |
|
600
|
|
|
public static function ProportionalResize($old_width, $old_height, $new_width = false, $new_height = false) |
|
601
|
|
|
{ |
|
602
|
|
|
$old_aspect_ratio = $old_width / $old_height; |
|
603
|
|
|
if ((false === $new_width) && (false === $new_height)) { |
|
604
|
|
|
return false; |
|
605
|
|
|
} elseif (false === $new_width) { |
|
606
|
|
|
$new_width = $new_height * $old_aspect_ratio; |
|
607
|
|
|
} elseif (false === $new_height) { |
|
608
|
|
|
$new_height = $new_width / $old_aspect_ratio; |
|
609
|
|
|
} |
|
610
|
|
|
$new_aspect_ratio = $new_width / $new_height; |
|
611
|
|
|
if ($new_aspect_ratio == $old_aspect_ratio) { |
|
|
|
|
|
|
612
|
|
|
// great, done |
|
613
|
|
|
} elseif ($new_aspect_ratio < $old_aspect_ratio) { |
|
614
|
|
|
// limited by width |
|
615
|
|
|
$new_height = $new_width / $old_aspect_ratio; |
|
616
|
|
|
} elseif ($new_aspect_ratio > $old_aspect_ratio) { |
|
617
|
|
|
// limited by height |
|
618
|
|
|
$new_width = $new_height * $old_aspect_ratio; |
|
619
|
|
|
} |
|
620
|
|
|
|
|
621
|
|
|
return [(int)round($new_width), (int)round($new_height)]; |
|
|
|
|
|
|
622
|
|
|
} |
|
623
|
|
|
|
|
624
|
|
|
/** |
|
625
|
|
|
* @param $function |
|
626
|
|
|
* @return bool |
|
627
|
|
|
*/ |
|
628
|
|
|
public static function FunctionIsDisabled($function) |
|
629
|
|
|
{ |
|
630
|
|
|
static $DisabledFunctions = null; |
|
631
|
|
|
if (null === $DisabledFunctions) { |
|
632
|
|
|
$disable_functions_local = explode(',', strtolower(@ini_get('disable_functions'))); |
|
633
|
|
|
$disable_functions_global = explode(',', strtolower(@get_cfg_var('disable_functions'))); |
|
634
|
|
|
foreach ($disable_functions_local as $key => $value) { |
|
635
|
|
|
$DisabledFunctions[trim($value)] = 'local'; |
|
636
|
|
|
} |
|
637
|
|
|
foreach ($disable_functions_global as $key => $value) { |
|
638
|
|
|
$DisabledFunctions[trim($value)] = 'global'; |
|
639
|
|
|
} |
|
640
|
|
|
if (@ini_get('safe_mode')) { |
|
641
|
|
|
$DisabledFunctions['shell_exec'] = 'local'; |
|
642
|
|
|
$DisabledFunctions['set_time_limit'] = 'local'; |
|
643
|
|
|
} |
|
644
|
|
|
} |
|
645
|
|
|
|
|
646
|
|
|
return isset($DisabledFunctions[strtolower($function)]); |
|
647
|
|
|
} |
|
648
|
|
|
|
|
649
|
|
|
/** |
|
650
|
|
|
* @param $command |
|
651
|
|
|
* @return bool|string |
|
652
|
|
|
*/ |
|
653
|
|
|
public static function SafeExec($command) |
|
654
|
|
|
{ |
|
655
|
|
|
static $AllowedExecFunctions = []; |
|
656
|
|
|
if (empty($AllowedExecFunctions)) { |
|
657
|
|
|
$AllowedExecFunctions = ['shell_exec' => true, 'passthru' => true, 'system' => true, 'exec' => true]; |
|
658
|
|
|
foreach ($AllowedExecFunctions as $key => $value) { |
|
659
|
|
|
$AllowedExecFunctions[$key] = !self::FunctionIsDisabled($key); |
|
660
|
|
|
} |
|
661
|
|
|
} |
|
662
|
|
|
$command .= ' 2>&1'; // force redirect stderr to stdout |
|
663
|
|
|
foreach ($AllowedExecFunctions as $execfunction => $is_allowed) { |
|
664
|
|
|
if (!$is_allowed) { |
|
665
|
|
|
continue; |
|
666
|
|
|
} |
|
667
|
|
|
$returnvalue = false; |
|
668
|
|
|
switch ($execfunction) { |
|
669
|
|
|
case 'passthru': |
|
670
|
|
|
case 'system': |
|
671
|
|
|
ob_start(); |
|
672
|
|
|
$execfunction($command); |
|
673
|
|
|
$returnvalue = ob_get_contents(); |
|
674
|
|
|
ob_end_clean(); |
|
675
|
|
|
break; |
|
676
|
|
|
|
|
677
|
|
|
case 'exec': |
|
678
|
|
|
$output = []; |
|
679
|
|
|
$lastline = $execfunction($command, $output); |
|
|
|
|
|
|
680
|
|
|
$returnvalue = implode("\n", $output); |
|
681
|
|
|
break; |
|
682
|
|
|
|
|
683
|
|
|
case 'shell_exec': |
|
684
|
|
|
ob_start(); |
|
685
|
|
|
$returnvalue = $execfunction($command); |
|
686
|
|
|
ob_end_clean(); |
|
687
|
|
|
break; |
|
688
|
|
|
} |
|
689
|
|
|
|
|
690
|
|
|
return $returnvalue; |
|
691
|
|
|
} |
|
692
|
|
|
|
|
693
|
|
|
return false; |
|
694
|
|
|
} |
|
695
|
|
|
|
|
696
|
|
|
/** |
|
697
|
|
|
* @param $filename |
|
698
|
|
|
* @return array|bool |
|
699
|
|
|
*/ |
|
700
|
|
|
public static function ApacheLookupURIarray($filename) |
|
701
|
|
|
{ |
|
702
|
|
|
// apache_lookup_uri() only works when PHP is installed as an Apache module. |
|
703
|
|
|
if ('apache' === php_sapi_name()) { |
|
704
|
|
|
//$property_exists_exists = function_exists('property_exists'); |
|
|
|
|
|
|
705
|
|
|
$keys = [ |
|
706
|
|
|
'status', |
|
707
|
|
|
'the_request', |
|
708
|
|
|
'status_line', |
|
709
|
|
|
'method', |
|
710
|
|
|
'content_type', |
|
711
|
|
|
'handler', |
|
712
|
|
|
'uri', |
|
713
|
|
|
'filename', |
|
714
|
|
|
'path_info', |
|
715
|
|
|
'args', |
|
716
|
|
|
'boundary', |
|
717
|
|
|
'no_cache', |
|
718
|
|
|
'no_local_copy', |
|
719
|
|
|
'allowed', |
|
720
|
|
|
'send_bodyct', |
|
721
|
|
|
'bytes_sent', |
|
722
|
|
|
'byterange', |
|
723
|
|
|
'clength', |
|
724
|
|
|
'unparsed_uri', |
|
725
|
|
|
'mtime', |
|
726
|
|
|
'request_time' |
|
727
|
|
|
]; |
|
728
|
|
|
if ($apacheLookupURIobject = @apache_lookup_uri($filename)) { |
|
729
|
|
|
$apacheLookupURIarray = []; |
|
730
|
|
|
foreach ($keys as $key) { |
|
731
|
|
|
$apacheLookupURIarray[$key] = @$apacheLookupURIobject->$key; |
|
732
|
|
|
} |
|
733
|
|
|
|
|
734
|
|
|
return $apacheLookupURIarray; |
|
735
|
|
|
} |
|
736
|
|
|
} |
|
737
|
|
|
|
|
738
|
|
|
return false; |
|
739
|
|
|
} |
|
740
|
|
|
|
|
741
|
|
|
/** |
|
742
|
|
|
* @return bool|null |
|
743
|
|
|
*/ |
|
744
|
|
|
public static function gd_is_bundled() |
|
745
|
|
|
{ |
|
746
|
|
|
static $isbundled = null; |
|
747
|
|
|
if (null === $isbundled) { |
|
748
|
|
|
$gd_info = gd_info(); |
|
749
|
|
|
$isbundled = (false !== strpos($gd_info['GD Version'], 'bundled')); |
|
750
|
|
|
} |
|
751
|
|
|
|
|
752
|
|
|
return $isbundled; |
|
753
|
|
|
} |
|
754
|
|
|
|
|
755
|
|
|
/** |
|
756
|
|
|
* @param bool $fullstring |
|
757
|
|
|
* @return mixed |
|
758
|
|
|
*/ |
|
759
|
|
|
public static function gd_version($fullstring = false) |
|
760
|
|
|
{ |
|
761
|
|
|
static $cache_gd_version = []; |
|
762
|
|
|
if (empty($cache_gd_version)) { |
|
763
|
|
|
$gd_info = gd_info(); |
|
764
|
|
|
if (preg_match('#bundled \((.+)\)$#i', $gd_info['GD Version'], $matches)) { |
|
765
|
|
|
$cache_gd_version[1] = $gd_info['GD Version']; // e.g. "bundled (2.0.15 compatible)" |
|
766
|
|
|
$cache_gd_version[0] = (float)$matches[1]; // e.g. "2.0" (not "bundled (2.0.15 compatible)") |
|
767
|
|
|
} else { |
|
768
|
|
|
$cache_gd_version[1] = $gd_info['GD Version']; // e.g. "1.6.2 or higher" |
|
769
|
|
|
$cache_gd_version[0] = (float)substr($gd_info['GD Version'], 0, 3); // e.g. "1.6" (not "1.6.2 or higher") |
|
770
|
|
|
} |
|
771
|
|
|
} |
|
772
|
|
|
|
|
773
|
|
|
return $cache_gd_version[(int)$fullstring]; |
|
774
|
|
|
} |
|
775
|
|
|
|
|
776
|
|
|
/** |
|
777
|
|
|
* @param $remotefile |
|
778
|
|
|
* @param int $timeout |
|
779
|
|
|
* @return bool|int |
|
780
|
|
|
*/ |
|
781
|
|
|
public static function filesize_remote($remotefile, $timeout = 10) |
|
782
|
|
|
{ |
|
783
|
|
|
$size = false; |
|
784
|
|
|
$url = self::ParseURLbetter($remotefile); |
|
785
|
|
|
if ($fp = @fsockopen($url['host'], ($url['port'] ?: 80), $errno, $errstr, $timeout)) { |
|
786
|
|
|
fwrite($fp, 'HEAD ' . @$url['path'] . @$url['query'] . ' HTTP/1.0' . "\r\n" . 'Host: ' . @$url['host'] . "\r\n\r\n"); |
|
787
|
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.3.0', '>=')) { |
|
788
|
|
|
stream_set_timeout($fp, $timeout); |
|
789
|
|
|
} |
|
790
|
|
|
while (!feof($fp)) { |
|
791
|
|
|
$headerline = fgets($fp, 4096); |
|
792
|
|
|
if (preg_match('#^Content-Length: (.*)#i', $headerline, $matches)) { |
|
793
|
|
|
$size = (int)$matches[1]; |
|
794
|
|
|
break; |
|
795
|
|
|
} |
|
796
|
|
|
} |
|
797
|
|
|
fclose($fp); |
|
798
|
|
|
} |
|
799
|
|
|
|
|
800
|
|
|
return $size; |
|
801
|
|
|
} |
|
802
|
|
|
|
|
803
|
|
|
/** |
|
804
|
|
|
* @param $remotefile |
|
805
|
|
|
* @param int $timeout |
|
806
|
|
|
* @return bool|false|int|string |
|
807
|
|
|
*/ |
|
808
|
|
|
public static function filedate_remote($remotefile, $timeout = 10) |
|
809
|
|
|
{ |
|
810
|
|
|
$date = false; |
|
811
|
|
|
$url = self::ParseURLbetter($remotefile); |
|
812
|
|
|
if ($fp = @fsockopen($url['host'], ($url['port'] ?: 80), $errno, $errstr, $timeout)) { |
|
813
|
|
|
fwrite($fp, 'HEAD ' . @$url['path'] . @$url['query'] . ' HTTP/1.0' . "\r\n" . 'Host: ' . @$url['host'] . "\r\n\r\n"); |
|
814
|
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.3.0', '>=')) { |
|
815
|
|
|
stream_set_timeout($fp, $timeout); |
|
816
|
|
|
} |
|
817
|
|
|
while (!feof($fp)) { |
|
818
|
|
|
$headerline = fgets($fp, 4096); |
|
819
|
|
|
if (preg_match('#^Last-Modified: (.*)#i', $headerline, $matches)) { |
|
820
|
|
|
$date = strtotime($matches[1]) - date('Z'); |
|
821
|
|
|
break; |
|
822
|
|
|
} |
|
823
|
|
|
} |
|
824
|
|
|
fclose($fp); |
|
825
|
|
|
} |
|
826
|
|
|
|
|
827
|
|
|
return $date; |
|
828
|
|
|
} |
|
829
|
|
|
|
|
830
|
|
|
/** |
|
831
|
|
|
* @param $filename |
|
832
|
|
|
* @return bool|string |
|
833
|
|
|
*/ |
|
834
|
|
|
public static function md5_file_safe($filename) |
|
835
|
|
|
{ |
|
836
|
|
|
// md5_file() doesn't exist in PHP < 4.2.0 |
|
837
|
|
|
if (function_exists('md5_file')) { |
|
838
|
|
|
return md5_file($filename); |
|
839
|
|
|
} |
|
840
|
|
|
if ($fp = @fopen($filename, 'rb')) { |
|
841
|
|
|
$rawData = ''; |
|
842
|
|
|
do { |
|
843
|
|
|
$buffer = fread($fp, 8192); |
|
844
|
|
|
$rawData .= $buffer; |
|
845
|
|
|
} while (strlen($buffer) > 0); |
|
846
|
|
|
fclose($fp); |
|
847
|
|
|
|
|
848
|
|
|
return md5($rawData); |
|
849
|
|
|
} |
|
850
|
|
|
|
|
851
|
|
|
return false; |
|
852
|
|
|
} |
|
853
|
|
|
|
|
854
|
|
|
/** |
|
855
|
|
|
* @return mixed |
|
856
|
|
|
*/ |
|
857
|
|
|
public static function nonempty_min() |
|
858
|
|
|
{ |
|
859
|
|
|
$arg_list = func_get_args(); |
|
860
|
|
|
$acceptable = []; |
|
861
|
|
|
foreach ($arg_list as $arg) { |
|
862
|
|
|
if ($arg) { |
|
863
|
|
|
$acceptable[] = $arg; |
|
864
|
|
|
} |
|
865
|
|
|
} |
|
866
|
|
|
|
|
867
|
|
|
return min($acceptable); |
|
868
|
|
|
} |
|
869
|
|
|
|
|
870
|
|
|
/** |
|
871
|
|
|
* @param $number |
|
872
|
|
|
* @param int $minbytes |
|
873
|
|
|
* @return string |
|
874
|
|
|
*/ |
|
875
|
|
|
public static function LittleEndian2String($number, $minbytes = 1) |
|
876
|
|
|
{ |
|
877
|
|
|
$intstring = ''; |
|
878
|
|
|
while ($number > 0) { |
|
879
|
|
|
$intstring = $intstring . chr($number & 255); |
|
880
|
|
|
$number >>= 8; |
|
881
|
|
|
} |
|
882
|
|
|
|
|
883
|
|
|
return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT); |
|
884
|
|
|
} |
|
885
|
|
|
|
|
886
|
|
|
/** |
|
887
|
|
|
* @return bool |
|
888
|
|
|
*/ |
|
889
|
|
|
public static function OneOfThese() |
|
890
|
|
|
{ |
|
891
|
|
|
// return the first useful (non-empty/non-zero/non-false) value from those passed |
|
892
|
|
|
$arg_list = func_get_args(); |
|
893
|
|
|
foreach ($arg_list as $key => $value) { |
|
894
|
|
|
if ($value) { |
|
895
|
|
|
return $value; |
|
896
|
|
|
} |
|
897
|
|
|
} |
|
898
|
|
|
|
|
899
|
|
|
return false; |
|
900
|
|
|
} |
|
901
|
|
|
|
|
902
|
|
|
/** |
|
903
|
|
|
* @param $needle |
|
904
|
|
|
* @param $haystack |
|
905
|
|
|
* @return bool |
|
906
|
|
|
*/ |
|
907
|
|
|
public static function CaseInsensitiveInArray($needle, $haystack) |
|
908
|
|
|
{ |
|
909
|
|
|
$needle = strtolower($needle); |
|
910
|
|
|
foreach ($haystack as $key => $value) { |
|
911
|
|
|
if (is_array($value)) { |
|
|
|
|
|
|
912
|
|
|
// skip? |
|
913
|
|
|
} elseif ($needle == strtolower($value)) { |
|
914
|
|
|
return true; |
|
915
|
|
|
} |
|
916
|
|
|
} |
|
917
|
|
|
|
|
918
|
|
|
return false; |
|
919
|
|
|
} |
|
920
|
|
|
|
|
921
|
|
|
/** |
|
922
|
|
|
* @param $host |
|
923
|
|
|
* @param $file |
|
924
|
|
|
* @param $errstr |
|
925
|
|
|
* @param bool $successonly |
|
926
|
|
|
* @param int $port |
|
927
|
|
|
* @param int $timeout |
|
928
|
|
|
* @return bool|null|string |
|
929
|
|
|
*/ |
|
930
|
|
|
public static function URLreadFsock($host, $file, &$errstr, $successonly = true, $port = 80, $timeout = 10) |
|
931
|
|
|
{ |
|
932
|
|
|
if (!function_exists('fsockopen') || self::FunctionIsDisabled('fsockopen')) { |
|
933
|
|
|
$errstr = 'fsockopen() unavailable'; |
|
934
|
|
|
|
|
935
|
|
|
return false; |
|
936
|
|
|
} |
|
937
|
|
|
//if ($fp = @fsockopen($host, $port, $errno, $errstr, $timeout)) { |
|
|
|
|
|
|
938
|
|
|
if ($fp = @fsockopen(((443 == $port) ? 'ssl://' : '') . $host, $port, $errno, $errstr, $timeout)) { // https://github.com/JamesHeinrich/phpThumb/issues/39 |
|
939
|
|
|
$out = 'GET ' . $file . ' HTTP/1.0' . "\r\n"; |
|
940
|
|
|
$out .= 'Host: ' . $host . "\r\n"; |
|
941
|
|
|
$out .= 'Connection: Close' . "\r\n\r\n"; |
|
942
|
|
|
fwrite($fp, $out); |
|
943
|
|
|
|
|
944
|
|
|
$isHeader = true; |
|
945
|
|
|
$Data_header = ''; |
|
946
|
|
|
$Data_body = ''; |
|
947
|
|
|
$header_newlocation = ''; |
|
948
|
|
|
while (!feof($fp)) { |
|
949
|
|
|
$line = fgets($fp, 1024); |
|
950
|
|
|
if ($isHeader) { |
|
951
|
|
|
$Data_header .= $line; |
|
952
|
|
|
} else { |
|
953
|
|
|
$Data_body .= $line; |
|
954
|
|
|
} |
|
955
|
|
|
if (preg_match('#^HTTP/[\\.0-9]+ ([0-9]+) (.+)$#i', rtrim($line), $matches)) { |
|
956
|
|
|
list(, $errno, $errstr) = $matches; |
|
957
|
|
|
$errno = (int)$errno; |
|
958
|
|
|
} elseif (preg_match('#^Location: (.*)$#i', rtrim($line), $matches)) { |
|
959
|
|
|
$header_newlocation = $matches[1]; |
|
960
|
|
|
} |
|
961
|
|
|
if ($isHeader && ("\r\n" === $line)) { |
|
962
|
|
|
$isHeader = false; |
|
963
|
|
|
if ($successonly) { |
|
964
|
|
|
switch ($errno) { |
|
965
|
|
|
case 200: |
|
966
|
|
|
// great, continue |
|
|
|
|
|
|
967
|
|
|
break; |
|
968
|
|
|
|
|
969
|
|
|
default: |
|
970
|
|
|
$errstr = $errno . ' ' . $errstr . ($header_newlocation ? '; Location: ' . $header_newlocation : ''); |
|
971
|
|
|
fclose($fp); |
|
972
|
|
|
|
|
973
|
|
|
return false; |
|
974
|
|
|
break; |
|
|
|
|
|
|
975
|
|
|
} |
|
976
|
|
|
} |
|
977
|
|
|
} |
|
978
|
|
|
} |
|
979
|
|
|
fclose($fp); |
|
980
|
|
|
|
|
981
|
|
|
return $Data_body; |
|
982
|
|
|
} |
|
983
|
|
|
|
|
984
|
|
|
return null; |
|
985
|
|
|
} |
|
986
|
|
|
|
|
987
|
|
|
/** |
|
988
|
|
|
* @param $url |
|
989
|
|
|
* @param string $queryseperator |
|
990
|
|
|
* @return string |
|
991
|
|
|
*/ |
|
992
|
|
|
public static function CleanUpURLencoding($url, $queryseperator = '&') |
|
993
|
|
|
{ |
|
994
|
|
|
if (!preg_match('#^http#i', $url)) { |
|
995
|
|
|
return $url; |
|
996
|
|
|
} |
|
997
|
|
|
$parse_url = self::ParseURLbetter($url); |
|
998
|
|
|
$pathelements = explode('/', $parse_url['path']); |
|
999
|
|
|
$CleanPathElements = []; |
|
1000
|
|
|
$TranslationMatrix = [' ' => '%20']; |
|
1001
|
|
|
foreach ($pathelements as $key => $pathelement) { |
|
1002
|
|
|
$CleanPathElements[] = strtr($pathelement, $TranslationMatrix); |
|
1003
|
|
|
} |
|
1004
|
|
|
foreach ($CleanPathElements as $key => $value) { |
|
1005
|
|
|
if ('' === $value) { |
|
1006
|
|
|
unset($CleanPathElements[$key]); |
|
1007
|
|
|
} |
|
1008
|
|
|
} |
|
1009
|
|
|
|
|
1010
|
|
|
$queries = explode($queryseperator, (isset($parse_url['query']) ? $parse_url['query'] : '')); |
|
1011
|
|
|
$CleanQueries = []; |
|
1012
|
|
|
foreach ($queries as $key => $query) { |
|
1013
|
|
|
@list($param, $value) = explode('=', $query); |
|
1014
|
|
|
$CleanQueries[] = strtr($param, $TranslationMatrix) . ($value ? '=' . strtr($value, $TranslationMatrix) : ''); |
|
1015
|
|
|
} |
|
1016
|
|
|
foreach ($CleanQueries as $key => $value) { |
|
1017
|
|
|
if ('' === $value) { |
|
1018
|
|
|
unset($CleanQueries[$key]); |
|
1019
|
|
|
} |
|
1020
|
|
|
} |
|
1021
|
|
|
|
|
1022
|
|
|
$cleaned_url = $parse_url['scheme'] . '://'; |
|
1023
|
|
|
$cleaned_url .= (@$parse_url['username'] ? $parse_url['host'] . (@$parse_url['password'] ? ':' . $parse_url['password'] : '') . '@' : ''); |
|
1024
|
|
|
$cleaned_url .= $parse_url['host']; |
|
1025
|
|
|
$cleaned_url .= ((!empty($parse_url['port']) && (80 != $parse_url['port'])) ? ':' . $parse_url['port'] : ''); |
|
1026
|
|
|
$cleaned_url .= '/' . implode('/', $CleanPathElements); |
|
1027
|
|
|
$cleaned_url .= (@$CleanQueries ? '?' . implode($queryseperator, $CleanQueries) : ''); |
|
1028
|
|
|
|
|
1029
|
|
|
return $cleaned_url; |
|
1030
|
|
|
} |
|
1031
|
|
|
|
|
1032
|
|
|
/** |
|
1033
|
|
|
* @param $url |
|
1034
|
|
|
* @return mixed |
|
1035
|
|
|
*/ |
|
1036
|
|
|
public static function ParseURLbetter($url) |
|
1037
|
|
|
{ |
|
1038
|
|
|
$parsedURL = @parse_url($url); |
|
1039
|
|
|
if (!@$parsedURL['port']) { |
|
1040
|
|
|
switch (strtolower(@$parsedURL['scheme'])) { |
|
1041
|
|
|
case 'ftp': |
|
1042
|
|
|
$parsedURL['port'] = 21; |
|
1043
|
|
|
break; |
|
1044
|
|
|
case 'https': |
|
1045
|
|
|
$parsedURL['port'] = 443; |
|
1046
|
|
|
break; |
|
1047
|
|
|
case 'http': |
|
1048
|
|
|
$parsedURL['port'] = 80; |
|
1049
|
|
|
break; |
|
1050
|
|
|
} |
|
1051
|
|
|
} |
|
1052
|
|
|
|
|
1053
|
|
|
return $parsedURL; |
|
1054
|
|
|
} |
|
1055
|
|
|
|
|
1056
|
|
|
/** |
|
1057
|
|
|
* @param $url |
|
1058
|
|
|
* @param $error |
|
1059
|
|
|
* @param int $timeout |
|
1060
|
|
|
* @param bool $followredirects |
|
1061
|
|
|
* @return bool|mixed|null|string |
|
1062
|
|
|
*/ |
|
1063
|
|
|
public static function SafeURLread($url, &$error, $timeout = 10, $followredirects = true) |
|
1064
|
|
|
{ |
|
1065
|
|
|
$error = ''; |
|
1066
|
|
|
$errstr = ''; |
|
1067
|
|
|
$rawData = ''; |
|
1068
|
|
|
|
|
1069
|
|
|
$parsed_url = self::ParseURLbetter($url); |
|
1070
|
|
|
$alreadyLookedAtURLs[trim($url)] = true; |
|
|
|
|
|
|
1071
|
|
|
|
|
1072
|
|
|
while (true) { |
|
1073
|
|
|
$tryagain = false; |
|
1074
|
|
|
$rawData = self::URLreadFsock(@$parsed_url['host'], @$parsed_url['path'] . '?' . @$parsed_url['query'], $errstr, true, (@$parsed_url['port'] ?: 80), $timeout); |
|
1075
|
|
|
if ($followredirects && preg_match('#302 [a-z ]+; Location\\: (http.*)#i', $errstr, $matches)) { |
|
1076
|
|
|
$matches[1] = trim(@$matches[1]); |
|
1077
|
|
|
if (!@$alreadyLookedAtURLs[$matches[1]]) { |
|
1078
|
|
|
// loop through and examine new URL |
|
1079
|
|
|
$error .= 'URL "' . $url . '" redirected to "' . $matches[1] . '"'; |
|
1080
|
|
|
|
|
1081
|
|
|
$tryagain = true; |
|
1082
|
|
|
$alreadyLookedAtURLs[$matches[1]] = true; |
|
1083
|
|
|
$parsed_url = self::ParseURLbetter($matches[1]); |
|
1084
|
|
|
} |
|
1085
|
|
|
} |
|
1086
|
|
|
if (!$tryagain) { |
|
1087
|
|
|
break; |
|
1088
|
|
|
} |
|
1089
|
|
|
} |
|
1090
|
|
|
|
|
1091
|
|
|
if (false === $rawData) { |
|
1092
|
|
|
$error .= 'Error opening "' . $url . '":' . "\n\n" . $errstr; |
|
1093
|
|
|
|
|
1094
|
|
|
return false; |
|
1095
|
|
|
} elseif (null === $rawData) { |
|
|
|
|
|
|
1096
|
|
|
// fall through |
|
1097
|
|
|
$error .= 'Error opening "' . $url . '":' . "\n\n" . $errstr; |
|
1098
|
|
|
} else { |
|
1099
|
|
|
return $rawData; |
|
1100
|
|
|
} |
|
1101
|
|
|
|
|
1102
|
|
|
if (function_exists('curl_version') && !self::FunctionIsDisabled('curl_exec')) { |
|
1103
|
|
|
$ch = curl_init(); |
|
1104
|
|
|
curl_setopt($ch, CURLOPT_URL, $url); |
|
1105
|
|
|
curl_setopt($ch, CURLOPT_HEADER, false); |
|
1106
|
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
|
1107
|
|
|
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); |
|
1108
|
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // changed for XOOPS |
|
1109
|
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); // changed for XOOPS |
|
1110
|
|
|
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, (bool)$followredirects); |
|
1111
|
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); |
|
1112
|
|
|
$rawData = curl_exec($ch); |
|
1113
|
|
|
curl_close($ch); |
|
1114
|
|
|
if (strlen($rawData) > 0) { |
|
1115
|
|
|
$error .= 'CURL succeeded (' . strlen($rawData) . ' bytes); '; |
|
1116
|
|
|
|
|
1117
|
|
|
return $rawData; |
|
1118
|
|
|
} |
|
1119
|
|
|
$error .= 'CURL available but returned no data; '; |
|
1120
|
|
|
} else { |
|
1121
|
|
|
$error .= 'CURL unavailable; '; |
|
1122
|
|
|
} |
|
1123
|
|
|
|
|
1124
|
|
|
$BrokenURLfopenPHPversions = ['4.4.2']; |
|
1125
|
|
|
if (in_array(PHP_VERSION, $BrokenURLfopenPHPversions)) { |
|
1126
|
|
|
$error .= 'fopen(URL) broken in PHP v' . PHP_VERSION . '; '; |
|
1127
|
|
|
} elseif (@ini_get('allow_url_fopen')) { |
|
1128
|
|
|
$rawData = ''; |
|
1129
|
|
|
$error_fopen = ''; |
|
1130
|
|
|
ob_start(); |
|
1131
|
|
|
if ($fp = fopen($url, 'rb')) { |
|
1132
|
|
|
do { |
|
1133
|
|
|
$buffer = fread($fp, 8192); |
|
1134
|
|
|
$rawData .= $buffer; |
|
1135
|
|
|
} while (strlen($buffer) > 0); |
|
1136
|
|
|
fclose($fp); |
|
1137
|
|
|
} else { |
|
1138
|
|
|
$error_fopen .= trim(strip_tags(ob_get_contents())); |
|
1139
|
|
|
} |
|
1140
|
|
|
ob_end_clean(); |
|
1141
|
|
|
$error .= $error_fopen; |
|
1142
|
|
|
if (!$error_fopen) { |
|
1143
|
|
|
$error .= '; "allow_url_fopen" succeeded (' . strlen($rawData) . ' bytes); '; |
|
1144
|
|
|
|
|
1145
|
|
|
return $rawData; |
|
1146
|
|
|
} |
|
1147
|
|
|
$error .= '; "allow_url_fopen" enabled but returned no data (' . $error_fopen . '); '; |
|
1148
|
|
|
} else { |
|
1149
|
|
|
$error .= '"allow_url_fopen" disabled; '; |
|
1150
|
|
|
} |
|
1151
|
|
|
|
|
1152
|
|
|
return false; |
|
1153
|
|
|
} |
|
1154
|
|
|
|
|
1155
|
|
|
/** |
|
1156
|
|
|
* @param $dirname |
|
1157
|
|
|
* @return bool |
|
1158
|
|
|
*/ |
|
1159
|
|
|
public static function EnsureDirectoryExists($dirname) |
|
1160
|
|
|
{ |
|
1161
|
|
|
$directory_elements = explode(DIRECTORY_SEPARATOR, $dirname); |
|
1162
|
|
|
$startoffset = (!$directory_elements[0] ? 2 : 1); // unix with leading "/" then start with 2nd element; Windows with leading "c:\" then start with 1st element |
|
1163
|
|
|
$open_basedirs = preg_split('#[;:]#', ini_get('open_basedir')); |
|
1164
|
|
|
foreach ($open_basedirs as $key => $open_basedir) { |
|
1165
|
|
|
if (preg_match('#^' . preg_quote($open_basedir) . '#', $dirname) |
|
1166
|
|
|
&& (strlen($dirname) > strlen($open_basedir))) { |
|
1167
|
|
|
$startoffset = substr_count($open_basedir, DIRECTORY_SEPARATOR) + 1; |
|
1168
|
|
|
break; |
|
1169
|
|
|
} |
|
1170
|
|
|
} |
|
1171
|
|
|
$i = $startoffset; |
|
|
|
|
|
|
1172
|
|
|
$endoffset = count($directory_elements); |
|
1173
|
|
|
for ($i = $startoffset; $i <= $endoffset; $i++) { |
|
1174
|
|
|
$test_directory = implode(DIRECTORY_SEPARATOR, array_slice($directory_elements, 0, $i)); |
|
1175
|
|
|
if (!$test_directory) { |
|
1176
|
|
|
continue; |
|
1177
|
|
|
} |
|
1178
|
|
|
if (!@is_dir($test_directory)) { |
|
1179
|
|
|
if (@file_exists($test_directory)) { |
|
1180
|
|
|
// directory name already exists as a file |
|
1181
|
|
|
return false; |
|
1182
|
|
|
} |
|
1183
|
|
|
if (!mkdir($test_directory, 0755) && !is_dir($test_directory)) { |
|
1184
|
|
|
throw new \RuntimeException(sprintf('Directory "%s" was not created', $test_directory)); |
|
1185
|
|
|
} |
|
1186
|
|
|
@chmod($test_directory, 0755); |
|
|
|
|
|
|
1187
|
|
|
if (!@is_dir($test_directory) || !@is_writable($test_directory)) { |
|
1188
|
|
|
return false; |
|
1189
|
|
|
} |
|
1190
|
|
|
} |
|
1191
|
|
|
} |
|
1192
|
|
|
|
|
1193
|
|
|
return true; |
|
1194
|
|
|
} |
|
1195
|
|
|
|
|
1196
|
|
|
/** |
|
1197
|
|
|
* @param $dirname |
|
1198
|
|
|
* @return array |
|
1199
|
|
|
*/ |
|
1200
|
|
|
public static function GetAllFilesInSubfolders($dirname) |
|
1201
|
|
|
{ |
|
1202
|
|
|
$AllFiles = []; |
|
1203
|
|
|
$dirname = rtrim(realpath($dirname), '/\\'); |
|
1204
|
|
|
if ($dirhandle = @opendir($dirname)) { |
|
1205
|
|
|
while (false !== ($file = readdir($dirhandle))) { |
|
1206
|
|
|
$fullfilename = $dirname . DIRECTORY_SEPARATOR . $file; |
|
1207
|
|
|
if (is_file($fullfilename)) { |
|
1208
|
|
|
$AllFiles[] = $fullfilename; |
|
1209
|
|
|
} elseif (is_dir($fullfilename)) { |
|
1210
|
|
|
switch ($file) { |
|
1211
|
|
|
case '.': |
|
1212
|
|
|
case '..': |
|
1213
|
|
|
break; |
|
1214
|
|
|
|
|
1215
|
|
|
default: |
|
1216
|
|
|
$AllFiles[] = $fullfilename; |
|
1217
|
|
|
$subfiles = self::GetAllFilesInSubfolders($fullfilename); |
|
1218
|
|
|
foreach ($subfiles as $filename) { |
|
1219
|
|
|
$AllFiles[] = $filename; |
|
1220
|
|
|
} |
|
1221
|
|
|
break; |
|
1222
|
|
|
} |
|
1223
|
|
|
} else { |
|
|
|
|
|
|
1224
|
|
|
// ignore? |
|
1225
|
|
|
} |
|
1226
|
|
|
} |
|
1227
|
|
|
closedir($dirhandle); |
|
1228
|
|
|
} |
|
1229
|
|
|
sort($AllFiles); |
|
1230
|
|
|
|
|
1231
|
|
|
return array_unique($AllFiles); |
|
1232
|
|
|
} |
|
1233
|
|
|
|
|
1234
|
|
|
/** |
|
1235
|
|
|
* @param $filename |
|
1236
|
|
|
* @return null|string|string[] |
|
1237
|
|
|
*/ |
|
1238
|
|
|
public static function SanitizeFilename($filename) |
|
1239
|
|
|
{ |
|
1240
|
|
|
$filename = preg_replace('/[^' . preg_quote(' !#$%^()+,-.;<>=@[]_{}') . 'a-zA-Z0-9]/', '_', $filename); |
|
1241
|
|
|
if (self::version_compare_replacement(PHP_VERSION, '4.1.0', '>=')) { |
|
1242
|
|
|
$filename = trim($filename, '.'); |
|
1243
|
|
|
} |
|
1244
|
|
|
|
|
1245
|
|
|
return $filename; |
|
1246
|
|
|
} |
|
1247
|
|
|
|
|
1248
|
|
|
/** |
|
1249
|
|
|
* @param $password |
|
1250
|
|
|
* @return float|int |
|
1251
|
|
|
*/ |
|
1252
|
|
|
public static function PasswordStrength($password) |
|
1253
|
|
|
{ |
|
1254
|
|
|
$strength = 0; |
|
1255
|
|
|
$strength += strlen(preg_replace('#[^a-z]#', '', $password)) * 0.5; // lowercase characters are weak |
|
1256
|
|
|
$strength += strlen(preg_replace('#[^A-Z]#', '', $password)) * 0.8; // uppercase characters are somewhat better |
|
1257
|
|
|
$strength += strlen(preg_replace('#[^0-9]#', '', $password)) * 1.0; // numbers are somewhat better |
|
1258
|
|
|
$strength += strlen(preg_replace('#[a-zA-Z0-9]#', '', $password)) * 2.0; // other non-alphanumeric characters are best |
|
1259
|
|
|
|
|
1260
|
|
|
return $strength; |
|
1261
|
|
|
} |
|
1262
|
|
|
} |
|
1263
|
|
|
|
|
1264
|
|
|
////////////// END: class phpthumb_functions ////////////// |
|
1265
|
|
|
|
|
1266
|
|
|
if (!function_exists('gd_info')) { |
|
1267
|
|
|
// built into PHP v4.3.0+ (with bundled GD2 library) |
|
1268
|
|
|
/** |
|
1269
|
|
|
* @return array |
|
1270
|
|
|
*/ |
|
1271
|
|
|
function gd_info() |
|
1272
|
|
|
{ |
|
1273
|
|
|
static $gd_info = []; |
|
1274
|
|
|
if (empty($gd_info)) { |
|
1275
|
|
|
// based on code by johnschaefer at gmx dot de |
|
1276
|
|
|
// from PHP help on gd_info() |
|
1277
|
|
|
$gd_info = [ |
|
1278
|
|
|
'GD Version' => '', |
|
1279
|
|
|
'FreeType Support' => false, |
|
1280
|
|
|
'FreeType Linkage' => '', |
|
1281
|
|
|
'T1Lib Support' => false, |
|
1282
|
|
|
'GIF Read Support' => false, |
|
1283
|
|
|
'GIF Create Support' => false, |
|
1284
|
|
|
'JPG Support' => false, |
|
1285
|
|
|
'PNG Support' => false, |
|
1286
|
|
|
'WBMP Support' => false, |
|
1287
|
|
|
'XBM Support' => false |
|
1288
|
|
|
]; |
|
1289
|
|
|
$phpinfo_array = phpthumb_functions::phpinfo_array(); |
|
1290
|
|
|
foreach ($phpinfo_array as $line) { |
|
1291
|
|
|
$line = trim(strip_tags($line)); |
|
1292
|
|
|
foreach ($gd_info as $key => $value) { |
|
1293
|
|
|
//if (strpos($line, $key) !== false) { |
|
|
|
|
|
|
1294
|
|
|
if (0 === strpos($line, $key)) { |
|
1295
|
|
|
$newvalue = trim(str_replace($key, '', $line)); |
|
1296
|
|
|
$gd_info[$key] = $newvalue; |
|
1297
|
|
|
} |
|
1298
|
|
|
} |
|
1299
|
|
|
} |
|
1300
|
|
|
if (empty($gd_info['GD Version'])) { |
|
1301
|
|
|
// probable cause: "phpinfo() disabled for security reasons" |
|
1302
|
|
|
if (function_exists('imagetypes')) { |
|
1303
|
|
|
$imagetypes = imagetypes(); |
|
1304
|
|
|
if ($imagetypes & IMG_PNG) { |
|
1305
|
|
|
$gd_info['PNG Support'] = true; |
|
1306
|
|
|
} |
|
1307
|
|
|
if ($imagetypes & IMG_GIF) { |
|
1308
|
|
|
$gd_info['GIF Create Support'] = true; |
|
1309
|
|
|
} |
|
1310
|
|
|
if ($imagetypes & IMG_JPG) { |
|
1311
|
|
|
$gd_info['JPG Support'] = true; |
|
1312
|
|
|
} |
|
1313
|
|
|
if ($imagetypes & IMG_WBMP) { |
|
1314
|
|
|
$gd_info['WBMP Support'] = true; |
|
1315
|
|
|
} |
|
1316
|
|
|
} |
|
1317
|
|
|
// to determine capability of GIF creation, try to use imagecreatefromgif on a 1px GIF |
|
1318
|
|
|
if (function_exists('imagecreatefromgif')) { |
|
1319
|
|
|
if ($tempfilename = phpthumb::phpThumb_tempnam()) { |
|
|
|
|
|
|
1320
|
|
|
if ($fp_tempfile = @fopen($tempfilename, 'wb')) { |
|
1321
|
|
|
fwrite($fp_tempfile, base64_decode('R0lGODlhAQABAIAAAH//AP///ywAAAAAAQABAAACAUQAOw==')); // very simple 1px GIF file base64-encoded as string |
|
1322
|
|
|
fclose($fp_tempfile); |
|
1323
|
|
|
|
|
1324
|
|
|
// if we can convert the GIF file to a GD image then GIF create support must be enabled, otherwise it's not |
|
1325
|
|
|
$gd_info['GIF Read Support'] = (bool)@imagecreatefromgif($tempfilename); |
|
1326
|
|
|
} |
|
1327
|
|
|
unlink($tempfilename); |
|
1328
|
|
|
} |
|
1329
|
|
|
} |
|
1330
|
|
|
if (function_exists('imagecreatetruecolor') && @imagecreatetruecolor(1, 1)) { |
|
1331
|
|
|
$gd_info['GD Version'] = '2.0.1 or higher (assumed)'; |
|
1332
|
|
|
} elseif (function_exists('imagecreate') && @imagecreate(1, 1)) { |
|
1333
|
|
|
$gd_info['GD Version'] = '1.6.0 or higher (assumed)'; |
|
1334
|
|
|
} |
|
1335
|
|
|
} |
|
1336
|
|
|
} |
|
1337
|
|
|
|
|
1338
|
|
|
return $gd_info; |
|
1339
|
|
|
} |
|
1340
|
|
|
} |
|
1341
|
|
|
|
|
1342
|
|
|
if (!function_exists('is_executable')) { |
|
1343
|
|
|
// in PHP v3+, but v5.0+ for Windows |
|
1344
|
|
|
/** |
|
1345
|
|
|
* @param $filename |
|
1346
|
|
|
* @return bool |
|
1347
|
|
|
*/ |
|
1348
|
|
|
function is_executable($filename) |
|
1349
|
|
|
{ |
|
1350
|
|
|
// poor substitute, but better than nothing |
|
1351
|
|
|
return file_exists($filename); |
|
1352
|
|
|
} |
|
1353
|
|
|
} |
|
1354
|
|
|
|
|
1355
|
|
|
if (!function_exists('preg_quote')) { |
|
1356
|
|
|
// included in PHP v3.0.9+, but may be unavailable if not compiled in |
|
1357
|
|
|
/** |
|
1358
|
|
|
* @param $string |
|
1359
|
|
|
* @param string $delimiter |
|
1360
|
|
|
* @return string |
|
1361
|
|
|
*/ |
|
1362
|
|
|
function preg_quote($string, $delimiter = '\\') |
|
1363
|
|
|
{ |
|
1364
|
|
|
static $preg_quote_array = []; |
|
1365
|
|
|
if (empty($preg_quote_array)) { |
|
1366
|
|
|
$escapeables = '.\\+*?[^]$(){}=!<>|:'; |
|
1367
|
|
|
for ($i = 0; $i < strlen($escapeables); $i++) { |
|
1368
|
|
|
$strtr_preg_quote[$escapeables{$i}] = $delimiter . $escapeables{$i}; |
|
1369
|
|
|
} |
|
1370
|
|
|
} |
|
1371
|
|
|
|
|
1372
|
|
|
return strtr($string, $strtr_preg_quote); |
|
|
|
|
|
|
1373
|
|
|
} |
|
1374
|
|
|
} |
|
1375
|
|
|
|
|
1376
|
|
|
if (!function_exists('file_get_contents')) { |
|
1377
|
|
|
// included in PHP v4.3.0+ |
|
1378
|
|
|
/** |
|
1379
|
|
|
* @param $filename |
|
1380
|
|
|
* @return bool|string |
|
1381
|
|
|
*/ |
|
1382
|
|
|
function file_get_contents($filename) |
|
1383
|
|
|
{ |
|
1384
|
|
|
if (preg_match('#^(f|ht)tp\://#i', $filename)) { |
|
1385
|
|
|
return SafeURLread($filename, $error); |
|
|
|
|
|
|
1386
|
|
|
} |
|
1387
|
|
|
if ($fp = @fopen($filename, 'rb')) { |
|
1388
|
|
|
$rawData = ''; |
|
1389
|
|
|
do { |
|
1390
|
|
|
$buffer = fread($fp, 8192); |
|
1391
|
|
|
$rawData .= $buffer; |
|
1392
|
|
|
} while (strlen($buffer) > 0); |
|
1393
|
|
|
fclose($fp); |
|
1394
|
|
|
|
|
1395
|
|
|
return $rawData; |
|
1396
|
|
|
} |
|
1397
|
|
|
|
|
1398
|
|
|
return false; |
|
1399
|
|
|
} |
|
1400
|
|
|
} |
|
1401
|
|
|
|
|
1402
|
|
|
if (!function_exists('file_put_contents')) { |
|
1403
|
|
|
// included in PHP v5.0.0+ |
|
1404
|
|
|
/** |
|
1405
|
|
|
* @param $filename |
|
1406
|
|
|
* @param $filedata |
|
1407
|
|
|
* @return bool |
|
1408
|
|
|
*/ |
|
1409
|
|
|
function file_put_contents($filename, $filedata) |
|
1410
|
|
|
{ |
|
1411
|
|
|
if ($fp = @fopen($filename, 'wb')) { |
|
1412
|
|
|
fwrite($fp, $filedata); |
|
1413
|
|
|
fclose($fp); |
|
1414
|
|
|
|
|
1415
|
|
|
return true; |
|
1416
|
|
|
} |
|
1417
|
|
|
|
|
1418
|
|
|
return false; |
|
1419
|
|
|
} |
|
1420
|
|
|
} |
|
1421
|
|
|
|
|
1422
|
|
|
if (!function_exists('imagealphablending')) { |
|
1423
|
|
|
// built-in function requires PHP v4.0.6+ *and* GD v2.0.1+ |
|
1424
|
|
|
/** |
|
1425
|
|
|
* @param $img |
|
1426
|
|
|
* @param bool $blendmode |
|
1427
|
|
|
* @return bool |
|
1428
|
|
|
*/ |
|
1429
|
|
|
function imagealphablending(&$img, $blendmode = true) |
|
|
|
|
|
|
1430
|
|
|
{ |
|
1431
|
|
|
// do nothing, this function is declared here just to |
|
1432
|
|
|
// prevent runtime errors if GD2 is not available |
|
1433
|
|
|
return true; |
|
1434
|
|
|
} |
|
1435
|
|
|
} |
|
1436
|
|
|
|
|
1437
|
|
|
if (!function_exists('imagesavealpha')) { |
|
1438
|
|
|
// built-in function requires PHP v4.3.2+ *and* GD v2.0.1+ |
|
1439
|
|
|
/** |
|
1440
|
|
|
* @param $img |
|
1441
|
|
|
* @param bool $blendmode |
|
1442
|
|
|
* @return bool |
|
1443
|
|
|
*/ |
|
1444
|
|
|
function imagesavealpha(&$img, $blendmode = true) |
|
|
|
|
|
|
1445
|
|
|
{ |
|
1446
|
|
|
// do nothing, this function is declared here just to |
|
1447
|
|
|
// prevent runtime errors if GD2 is not available |
|
1448
|
|
|
return true; |
|
1449
|
|
|
} |
|
1450
|
|
|
} |
|
1451
|
|
|
|
mambax7 /
pedigree
Loading history...
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.