spirit posteets tagged php

Preventing Cron Job Collision
6 years ago
Prevents jobs to collide if they take longer to run than the frequency itself
1. $fp = fopen(‘/tmp/lock.txt’, ‘r+’);
3. if(!flock($fp, LOCK_EX | LOCK_NB)) {
4. echo ‘Unable to obtain lock’;
5. exit(-1);
6. }
8. /* … */
10. fclose($fp);
collision cron php
Embed | Raw source | 0
Blocking Web Access to Cron Jobs
6 years ago
it’s also possibl with a .htaccess file and “deny from all ” in that file
1. if (isset($_SERVER[‘REMOTE_ADDR’])) die(‘Permission denied.’);
apache cron htaccess php security
Embed | Raw source | 0
Gettext: convert the .po files into .mo files
6 years ago
1. msgfmt -o output_file.mo input_file.po
gettext i18n msgfmt php
Embed | Raw source | 0
Random negative or positive number (random -1 or 1)
7 years ago
Ça parait simple comme ça mais ça m’a pris du temps de trouver, donc pas la peine de le perdre 🙂
1. rand(0,1)*2-1
php rand random
Embed | Raw source | 0
Distance between two points (given the latitude/longitude of those points) in PHP
7 years ago
1. function distance($lat1, $lon1, $lat2, $lon2, $unit) {
3. $theta = $lon1 – $lon2;
4. $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
5. $dist = acos($dist);
6. $dist = rad2deg($dist);
7. $miles = $dist * 60 * 1.1515;
8. $unit = strtoupper($unit);
10. if ($unit == “K”) {
11. return ($miles * 1.609344);
12. } else if ($unit == “N”) {
13. return ($miles * 0.8684);
14. } else {
15. return $miles;
16. }
17. }
19. echo distance(32.9697, -96.80322, 29.46786, -98.53506, “m”) . ” miles<br>”;
20. echo distance(32.9697, -96.80322, 29.46786, -98.53506, “k”) . ” kilometers<br>”;
21. echo distance(32.9697, -96.80322, 29.46786, -98.53506, “n”) . ” nautical miles<br>”;
distance lat latitude lng longitude maps php
Embed | Raw source | 0
Prevent Apache and PHP to disclose any information about themselves
7 years ago
1. /etc/apache2/apache2.conf
2. > ServerTokens Prod
3. > ServerSignature Off
5. /etc/php5/apache2/php.ini
6. > expose_php = Off
apache php security signature
Embed | Raw source | 0
Calculer le temps d’exécution d’un code PHP
7 years ago
1. $start = microtime(TRUE);
2. // Code PHP à bencher
3. for ($i = 0; $i < 10000; $i++)
4. {
5. isset($array[‘id’]);
6. }
8. echo number_format(microtime(TRUE) – $start, 6).” seconds: isset\n“;
exec performance php time
Embed | Raw source | 0
Check if PHP is run from command-line (CLI)
7 years ago
1. if (PHP_SAPI === ‘cli’)
2. // In CLI mode
cli php
Embed | Raw source | 0
Interdire le PHP dans un répertoire avec apache
7 years ago
Permet par exemple de laisser des internautes déposer des fichiers dans un répertoire. Si on ne veut pas qu’ils puissent déposer un fichier PHP et l’exécuter, on peut vouloir empêcher l’exécution de PHP dans ce répertoire.
1. # ajouter la conf suivante dans votre VirtualHost
3. <Location /upload/>
4. AddType text/plain .php .php4 .php5 .phtml .py .pl .cgi .rb
5. </Location>
apache php security virtualhost
Embed | Raw source | 0
Call a user function given by the first parameter in PHP
8 years ago and saved by 1 other
1. // Call a class method outside the class
2. call_user_func(array($myclass, $mymethod), $args);
4. // Call a class method inside the class
5. call_user_func(array($this, $mymethod), $args);
6. //or
7. $this->{$mymethod}($args);
call_user_func method php
Embed | Raw source | 2

“php” related tags

apache ask auth blacklist call_user_func cli collision cron distance dns domaine exec gettext google htaccess i18n images ip lat latitude lng longitude maps pear security
spirit’s tags

access apache apache2 apt arguments auditd auth awk backup backups bandwidth bash bridge cache cd charset cisco commands conversion cron css date debian debug default diff directories directory distance dns dom du eth ethernet excel exclude files find firefox flash forms function hacks headers history hosts htaccess html http https ie ifconfig images input ip javascript jobs kill latitude linux log logging longitude mac mail maps merge monitoring mysql network nginx openssl packages performance performances perl php red hat regex restore root route rpm script security server shell ssh ssl svn switch syslog tail trunk unix virtualhost vlan vmware windows yum

“php” related tags

spirit’s tags