Différences

Ci-dessous, les différences entre deux révisions de la page.

--- informatique:php:tips [09/11/2010 09:49] – cyrille
+++ informatique:php:tips [02/10/2025 18:02] (Version actuelle) – [Pointeur de fonction] cyrille
@@ Ligne 26: / Ligne 26: @@
 http://www.zend.com/php5/articles/php5-exceptions.php
+=====Sécurité=====
+[[http://www.zimuel.it/blog/2011/01/strong-cryptography-in-php/|Strong cryptography in PHP]]: Use standard algorithms, Key space, Kerchoof’s principle, Don’t use rand() or mt_rand(), Use a salt value in hash functions,  Size and strength of the passwords, Don’t use plaintext passwords as key for ciphers.
 ===== Divers =====
@@ Ligne 39: / Ligne 44: @@
 ==== RegEx ====
-Validation syntaxe adresse email :
+=== syntaxe adresse email ===
 <code php>
@@ Ligne 53: / Ligne 58: @@
 </code>
+Voir aussi [[http://www.developpez.com/actu/29195/Vos-applications-valident-elles-correctement-les-adresses-e-mail-Retour-sur-les-details-des-specifications/|Vos applications valident-elles correctement les adresses e-mail ?]], [[http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html|Mail::RFC822::Address: regexp-based address validation]]
+=== Collation caractères unicode ===
+Pour prendre les caractères accentués ou autres de la langue française: é, è, ê, ù, ç, É, À, ... Utiliser la classe de caractères ''[:word:]'' et le modifier ''u'' (pour activer la collation unicode).
+<code>
+ // match les caractères français et espace et tiret:
+ /^[[:word:] \-]+$/u
+</code>
+Pour comparer des mots avec caractères accentués (diacritics) sans tenir compte des accents:
+<code php>$s1 = 'en été ça va là' ;
+$s2 = 'en ÉTE Ça va Là' ;
+$s1 = strtolower( iconv( 'UTF-8', 'ASCII//TRANSLIT//IGNORE',$s1) );
+$s2 = strtolower( iconv( 'UTF-8', 'ASCII//TRANSLIT//IGNORE',$s2) );
+echo 'compare = ', var_export( ($s1==$s2), true),"\n" ;</code>
 ====Cross Platform ====
@@ Ligne 80: / Ligne 102: @@
 http://mmmm.free.fr/doc/pointfunc.html
+==== Merge object inheritance property ====
+Chaque classe d'une chaîne d'héritage définie une propriété tableau : "$data".
+Pour fusionner les valeurs de cette propriété :
+<code php>
+$class = get_called_class();
+while ($class = get_parent_class($class)) {
+  $data = get_class_vars($class)['data'] ;
+  if( is_array($data))
+    // aka "array_replace_recursive"
+    $this->data += $data;
+}
+</code>
 ==== Singleton ====
@@ Ligne 87: / Ligne 124: @@
 ==== Manipulation fichier Excel ====
-[[http://g-ernaelsten.developpez.com/tutoriels/excel2007/|Introduction à PHPExcel]] par Ernaelsten Gérard (05/02/2009)
+  * [[https://gist.github.com/r-sal/4313500|PHPExcel Notes and code snippets]]
+  * [[http://g-ernaelsten.developpez.com/tutoriels/excel2007/|Introduction à PHPExcel]] par Ernaelsten Gérard (05/02/2009)
 Le package Spreadsheet_Excel_Writer
@@ Ligne 94: / Ligne 132: @@
 /usr/local/php5/bin/pear -d preferred_state=beta install Spreadsheet_Excel_Writer
 </code>
+==== Mysqlnd ====
+[[http://schlueters.de/blog/archives/146-mysqlnd-plugins-for-PHP-in-practice.html|mysqlnd plugins for PHP in practice]]: example on how to write a plugin for mysqlnd.
+[[http://blog.ulf-wendel.de/?p=298|PHP: Transparent load balancing and sharding with mysqlnd]]: You want some client-side MySQL load balancing with and without sharding for your PHP application? PHP 5.3 has something to offer for you. It is free. It requires no to very little changes to your applications.
+==== Network ====
+=== Wake On Lan (WOL) ===
+<code php>
+      # Wake on LAN - (c) HotKey@spr.at, upgraded by Murzik
+      # Modified by Allan Barizo http://www.hackernotcracker.com
+      flush();
+      function WakeOnLan($addr, $mac,$socket_number) {
+        $addr_byte = explode(':', $mac);
+        $hw_addr = '';
+        for ($a=0; $a <6; $a++) $hw_addr .= chr(hexdec($addr_byte[$a]));
+        $msg = chr(255).chr(255).chr(255).chr(255).chr(255).chr(255);
+        for ($a = 1; $a <= 16; $a++) $msg .= $hw_addr;
+        // send it to the broadcast address using UDP
+        // SQL_BROADCAST option isn't help!!
+        $s = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
+        if ($s == false) {
+          echo "Error creating socket!\n";
+          echo "Error code is '".socket_last_error($s)."' - " . socket_strerror(socket_last_error($s));
+          return FALSE;
+          }
+        else {
+          // setting a broadcast option to socket:
+          $opt_ret = socket_set_option($s, 1, 6, TRUE);
+          if($opt_ret <0) {
+            echo "setsockopt() failed, error: " . strerror($opt_ret) . "\n";
+            return FALSE;
+            }
+          if(socket_sendto($s, $msg, strlen($msg), 0, $addr, $socket_number)) {
+            echo "Magic Packet sent successfully!";
+            socket_close($s);
+            return TRUE;
+            }
+          else {
+            echo "Magic packet failed!";
+            return FALSE;
+            }
+          }
+        }
+      // Port number where the computer is listening. Usually, any number between 1-50000 will do. Normally people choose 7 or 9.
+      $socket_number = "7";
+      // MAC Address of the listening computer's network device
+      $mac_addy = "00:12:4G:SF:12:13";
+      // IP address of the listening computer. Input the domain name if you are using a hostname (like when under Dynamic DNS/IP)
+      $ip_addy = gethostbyname("myhomeserver.dynamicdns.org");
+      WakeOnLan($ip_addy, $mac_addy,$socket_number)
+</code>
+=== Import gros fichier ===
+Upload large file.
+== Php side ==
+  * memory_limit
+  * upload_max_filesize
+  * post_max_size
+To use with Laravel and JS libraries look at [[https://github.com/pionl/laravel-chunk-upload|laravel-chunk-upload]]
+== Nginx side ==
+== Client side (chunking) ==
+  * javascript
+    * https://www.plupload.com
+    * https://github.com/blueimp/jQuery-File-Upload/wiki/Chunked-file-uploads
+Cross-site chunked uploads: by default, browsers don't allow all headers used for cross-site file uploads, if they are not explicitly defined as allowed with the following server-side headers:
+<code>
+Access-Control-Allow-Headers Content-Type, Content-Range, Content-Disposition
+</code>