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src.bluestatic.org Git - isso.git/blob - functions.php
2 /*=====================================================================*\
3 || ###################################################################
4 || # Iris Studios Shared Object Framework [#]version[#]
5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
7 || # This program is free software; you can redistribute it and/or modify
8 || # it under the terms of the GNU General Public License as published by
9 || # the Free Software Foundation; version [#]gpl[#] of the License.
11 || # This program is distributed in the hope that it will be useful, but
12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 || # You should have received a copy of the GNU General Public License along
17 || # with this program; if not, write to the Free Software Foundation, Inc.,
18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
19 || ###################################################################
20 \*=====================================================================*/
23 * Globalized Functions
29 $OBJECT = 'Core Functions';
34 * Globalized Functions
36 * This framework is a set of functions that are commonly used in most
39 * @author Iris Studios, Inc.
40 * @copyright Copyright ©2002 - [#]year[#], Iris Studios, Inc.
48 * Framework registry object
54 * The path that is used to set cookies
57 var $cookiepath = '/';
60 * The domain used for cookie setting
66 * The time it takes for a cookie to expire
72 * State of the current background colour during alternation
80 function Functions(&$registry)
82 $this->registry
=& $registry;
86 * Sets a cookie with a friendly interface
88 * @param string The name of the cookie
89 * @param string Value of the cookie
90 * @param bool Is the cookie permanent?
92 function cookie($name, $value = '', $sticky = true)
97 setcookie($name, $value, time() - (2 * $this->cookieexp
), $this->cookiepath
, $this->cookiedom
);
104 $expire = time() +
60 * 60 * 24 * 365;
108 $expire = time() +
$this->cookieexp
;
111 setcookie($name, $value, $expire, $this->cookiepath
, $this->cookiedom
);
116 * Alternate between two background colours
118 * @param string First CSS class name
119 * @param string Second CSS class name
121 function exec_swap_bg($class1 = 'alt1', $class2 = 'alt2')
125 $this->bgcolour
= ($count %
2) ? $class1 : $class2;
130 * Force-download a file by sending application/octetstream
132 * @param string The text of the file to be streamed
133 * @param string File name of the new file
134 * @param bool Whether or not to die after stringeaming the file
136 function download_file($file, $name, $exit = true)
138 if ($this->is_browser('ie') OR $this->is_browser('opera') OR $this->is_browser('safari'))
140 $mime = 'application/octetstream';
144 $mime = 'application/octet-stream';
147 header("Content-Type: $mime");
148 header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
149 header('Content-Disposition: attachment; filename="' . $name . '"');
150 header('Content-length: ' . strlen($file));
151 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
152 header('Pragma: public');
163 * Verify that an email address is valid via regex
165 * @param string An email address
167 * @return bool Validity of the email address
169 function is_valid_email($email)
171 if (preg_match('#^[a-z0-9\.\-\+_]+?@(.*?\.)*?[a-z0-9\-_]+?\.[a-z]{2,4}$#i', $email))
182 * Check a browser's user agent against a pre-determined list
184 * @param string Browser name
185 * @param string The browser's version
187 * @param mixed False if there is no match, the version if there is
189 function is_browser($check, $version = '')
191 $useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
195 // -------------------------------------------------------------------
197 // -------------------------------------------------------------------
198 # Opera/6.05 (Windows 98; U) [en]
199 # Mozilla/4.0 (compatible; MSIE 5.0; Windows 98) Opera 6.0 [en]
200 # Mozilla/5.0 (Windows 98; U) Opera 6.0 [en]
201 # Mozilla/4.0 (compatible; MSIE, 6.0; Windows 98) Opera 7.0 [en]
202 if (preg_match('#opera ([0-9\.]+)#', $useragent, $matches) !== false)
204 if (isset($matches[1]))
206 $browser['opera'] = $matches[1];
210 // -------------------------------------------------------------------
212 // -------------------------------------------------------------------
213 if (strpos($useragent, 'mac') !== false)
215 $browser['mac'] = true;
218 // -------------------------------------------------------------------
219 // -- Internet explorer
220 // -------------------------------------------------------------------
221 # Mozilla/4.0 (compatible; MSIE 6.0b; Windows NT 5.1; .NET CLR 1.0.2914)
222 # Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)
223 if (preg_match('#msie ([0-9\.]+)#', $useragent, $matches) !== false AND !isset($browser['opera']))
225 if (isset($matches[1]))
227 $browser['ie'] = $matches[1];
231 // -------------------------------------------------------------------
233 // -------------------------------------------------------------------
234 # Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/125.4 (KHTML, like Gecko) Safari/125.9
235 if (preg_match('#safari/([0-9\.]+)#', $useragent, $matches) !== false)
237 if (isset($matches[1]))
239 $browser['safari'] = $matches[1];
243 // -------------------------------------------------------------------
245 // -------------------------------------------------------------------
246 # Mozilla/5.0 (compatible; Konqueror/3)
247 # Mozilla/5.0 (compatible; Konqueror/3.1; i686 Linux; 20020628)
248 if (preg_match('#konqueror/([0-9\.]+)#', $useragent, $matches) !== false)
250 if (isset($matches[1]))
252 $browser['konqueror'] = $matches[1];
256 // -------------------------------------------------------------------
258 // -------------------------------------------------------------------
259 # Mozilla/5.001 (windows; U; NT4.0; en-us) Gecko/25250101
260 # Mozilla/5.001 (Macintosh; N; PPC; ja) Gecko/25250101 MegaCorpBrowser/1.0 (MegaCorp, Inc.)
261 if (preg_match('#gecko/([0-9]+)#', $useragent, $matches) !== false AND !isset($browser['safari']))
263 if (isset($matches[1]))
265 $browser['mozilla'] = $matches[1];
268 // -------------------------------------------------------------------
270 // -------------------------------------------------------------------
271 # Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7) Gecko/20040628 Firefox/0.9.1
272 # Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4a) Gecko/20030423 Firebird Browser/0.6
273 if (preg_match('#(firebird|firefox)( browser)?/([0-9\.]+)#', $useragent, $matches) !== false)
275 if (isset($matches[3]))
277 $browser['firefox'] = $matches[3];
281 // -------------------------------------------------------------------
283 // -------------------------------------------------------------------
284 # Mozilla/5.0 (Macintosh; U; PPC; en-US; rv:0.9.4.1) Gecko/20020318 Netscape6/6.2.2
285 if (preg_match('#netscape([0-9].*?)?/([0-9\.]+)#', $useragent, $matches) !== false)
287 if (isset($matches[2]))
289 $browser['netscape'] = $matches[2];
293 // -------------------------------------------------------------------
295 // -------------------------------------------------------------------
296 # Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7) Gecko/20040623 Camino/0.8
297 if (preg_match('#camino/([0-9\.]+)#', $useragent, $matches) !== false)
299 if (isset($matches[1]))
301 $browser['camino'] = $matches[1];
306 if (isset($browser["$check"]))
310 if ($browser["$check"] >= $version)
312 return $browser["$check"];
321 return $browser["$check"];
331 * Generates a random string of random length (unless otherwise specified)
333 * @param integer Optional length
335 * @return string A random string
337 function rand($length = 0)
339 // custom high and lows
340 if (is_array($length))
342 $length = rand($length[0], $length[1]);
347 $length = rand(20, 65);
350 // Number of ints in our salt
351 $intcount = rand(0, intval($length / 2));
354 $charcount = $length - $intcount;
357 $upperchars = rand(1, intval($charcount / 2));
360 $lowerchars = $charcount - $upperchars;
363 for ($i = 0; $i < $intcount; $i++)
365 $string[] = rand(0, 9);
368 // Generate upper chars
369 for ($i = 0; $i < $upperchars; $i++)
371 $string[] = chr(rand(65, 90));
374 // Generate lower chars
375 for ($i = 0; $i < $lowerchars; $i++)
377 $string[] = chr(rand(97, 122));
380 // Randomly key the chars
381 foreach ($string AS $char)
384 $newstr["$rand"] = $char;
387 // Sort the chars by thier random assignment
392 foreach ($newstr AS $char)
401 * Sets the current array position to be the specified key. This function should be avoided on large arrays.
403 * @param array The array whose counter is to be updated
404 * @param mixed The key of the element of the array that the counter is to be set to
406 * @return mixed Return the elelment of the array that we just put the counter to
408 function array_set_current(&$array, $key)
411 while (current($array) !== false)
413 if (key($array) == $key)
419 return current($array);
423 * Calculates the microtime difference by taking a given microtime and subtracting it from the current one
425 * @param string The start microtime
427 * @return float Microtime difference
429 function fetch_microtime_diff($mtstart)
431 $mtend = microtime();
432 list ($starttime['micro'], $starttime['sec']) = explode(' ', $mtstart);
433 list ($endtime['micro'], $endtime['sec']) = explode(' ', $mtend);
434 return ($endtime['micro'] +
$endtime['sec']) - ($starttime['micro'] +
$starttime['sec']);
438 * Fetches the extension of a file by extracting everything after the last period
440 * @param string Filename
442 * @return string The extension for the specifid file name
444 function fetch_extension($filename)
446 return strval(end(explode('.', $filename)));
450 * Gets the maximum file size for attachment uploading, as specified by PHP. If no value is present, 10 MB (represented in bytes) is returned
452 * @return integer The maximum file upload size in bytes
454 function fetch_max_attachment_size()
456 if ($size = @ini_get('upload_max_filesize'))
458 if (preg_match('#[^0-9].#', $size))
464 return intval($size) * 1048576;
474 * Scans a specified directory path and returns an array of all the itmes in that directory. Directories found by this are end in a "/"
476 * @param string Path to scan
477 * @param bool Whether or not to recursively scan the directories encountered
478 * @param bool Ignore files beginning with a dot
479 * @param bool Ignore 'CVS' dirctories
481 * @return array A list of all the files in the specified path
483 function scandir($path, $recurse = true, $ignoredot = true, $ignorecvs = true, $basepath = '', $unset = 1)
492 if (substr($path, (strlen($path) - 1), 1) != '/')
497 if ($handle = opendir($path))
499 while (($file = readdir($handle)) !== false)
501 $isdot = ((substr($file, 0, 1) == '.') ? true : false);
502 $isdot = (($ignoredot) ? $isdot : true);
503 $iscvs = (($file == 'CVS') ? true : false);
504 $iscvs = (($ignorecvs) ? $iscvs : true);
505 if (!$isdot AND !$iscvs)
507 if (is_dir($path . $file))
509 $filelist["$basepath"][] = "$file/";
512 $this->scandir("$path$file", true, $ignoredot, $ignorecvs, "$basepath$file/", 0);
517 $filelist["$basepath"][] = $file;
527 /*=====================================================================*\
528 || ###################################################################
531 || ###################################################################
532 \*=====================================================================*/