Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

phpÎļþÉÏ´«Àà

 
<?php
  /**
  * PHP100.com - ¸öÈ˸оõ·Ç³£¼òµ¥£¬Ö»ÒªÓеãPHP»ù´¡µÎÈ˶¼Ó¦¸ÃÄÜ¿´¶®~~
  * Apache2 + PHP5.0
  * Version:1.0
  * ͬʱ¸ÐлPHP100ËùÓеÄÐÖµÜÃÇ
  * ————————————————————————————————— Example —
  * test.php @ ´¦Àí±íµ¥ÎļþÃû
  * <?php
  *
  * include("upload.php");                 # ¼ÓÈëÀàÎļþ
  * $f_upload = new upload_other;             # ´´½¨¶ÔÏó
  * $f_upload->set_file_type($_FILES['src']['type']);   # »ñµÃÎļþÀàÐÍ
  * $f_upload->set_file_name($_FILES['src']['name']);   # »ñµÃÎļþÃû³Æ
  * $f_upload->set_file_size($_FILES['src']['size']);   # »ñµÃÎļþ³ß´ç
  * $f_upload->set_upfile($_FILES['src']['tmp_name']);  # ·þÎñ¶Ë´¢´æµÄÁÙʱÎļþÃû
  * $f_upload->set_size(100);               # ÉèÖÃ×î´óÉÏ´«KBÊý
  *  $f_upload->set_base_directory("uploadImages");    # Îļþ´æ´¢¸ùĿ¼Ãû³Æ
  * $f_upload->set_url("up.php");             # ÎļþÉÏ´«³É¹¦ºóÌø×ªµÄÎļþ
  * $f_upload->save();                  # ±£´æÎļþ
  * 
  * ?>
  * —————————————————————————————————— End —
  *
  * żûÓÐ


Ïà¹ØÎĵµ£º

ÀûÓÃipµØÖ·²éÑ¯ÇøÓò php³ÌÐò

¸Ã³ÌÐòûÓÐÓÅ»¯ Ö»ÊÇ×îԭʼµÄ³ÌÐò  ¿ÉÒÔ½«ÆäÓëflash½áºÏÆðÀ´£¡
Óëflash½áºÏÆðÀ´¾ÍÊǽ«phpµÃµ½µÄµØÖ·ºÍÇøÓò ´òÓ¡³öÀ´ÔÙ·µ»Ø¸öflash¶ËÕâô¼òµ¥
<?php
$getIP="218.11.140.23"; // ÕâÀïÊÇ×Ô¼ºËæ±ãдµÄÒ»¸öip  ʵ¼ÊʱÄ㻹Ҫͨ¹ý³ÌÐòµÃµ½Õâ¸öip
//Ö»¿ªÊ¼Ê±²éǰÈý¶Î
$subIPs=explode(".",$getIP);
$subIP=$sub ......

PHPÄ£Äâ¶àÏ̷߳½·¨×ܽá

PHPÓïÑÔ±¾ÉíÊDz»Ö§³Ö¶àÏ̵߳Ä. ×ܽáÁËÒ»ÏÂÍøÉϹØÓÚPHPÄ£Äâ¶àÏ̵߳ķ½·¨, ×ܵÄÀ´Ëµ, ¶¼ÊÇÀûÓÃÁËPHPµÄºÃ»ï°éÃDZ¾ÉíËù¾ßÓеĶàÏß³ÌÄÜÁ¦.
PHPµÄºÃ»ï°éÖ¸µÄ¾ÍÊÇLINUXºÍAPACHEÀ², LAMPÂï.
ÁíÍâ, ¼ÈÈ»ÊÇÄ£ÄâµÄ, ¾Í²»ÊÇÕæÕýµÄ¶àÏß³Ì. ÆäʵֻÊÇ¶à½ø³Ì. ½ø³ÌºÍÏß³ÌÊÇÁ½¸ö²»Í¬µÄ¸ÅÄî. ºÃÁË, ÒÔÏ·½·¨¶¼ÊÇ´ÓÍøÉÏÕÒÀ´µÄ.
1. ÀûÓÃLIN ......

PHP Floating point precision

Floating point precision
It is typical that simple decimal fractions like 0.1
or
0.7
cannot be converted into their internal binary
counterparts without a small loss of precision. This can lead to
confusing
results: for example, floor((0.1+0.7)*10)
will usually
return 7
......

PHP Ñ­»·


PHP ÖеÄÑ­»·Óï¾äÓÃÓÚÖ´ÐÐÏàͬµÄ´úÂë¿éÖ¸¶¨µÄ´ÎÊý¡£
Ñ­»·
ÔÚÄú±àд´úÂëʱ£¬Äú¾­³£ÐèÒªÈÃÏàͬµÄ´úÂë¿éÔËÐкܶà´Î¡£Äú¿ÉÒÔÔÚ´úÂëÖÐʹÓÃÑ­»·Óï¾äÀ´Íê³ÉÕâ¸öÈÎÎñ¡£
ÔÚ PHP ÖУ¬ÎÒÃÇ¿ÉÒÔʹÓÃÏÂÁÐÑ­»·Óï¾ä£º
while Ö»ÒªÖ¸¶¨µÄÌõ¼þ³ÉÁ¢£¬ÔòÑ­»·Ö´ÐдúÂë¿é do...while Ê×ÏÈÖ´ÐÐÒ»´Î´úÂë¿é£¬È»ºóÔÚÖ¸¶¨µÄÌõ¼þ³ÉÁ¢Ê±Öظ´Õâ¸öÑ­» ......

PHP½ø¶ÈÌõЧ¹û

ÓÃPHPʵÏÖ½ø¶ÈÌõЧ¹û¡£
<?php
set_time_limit(0);
echo '<h2>ÕýÔÚ°²×°£¬ÇëÉÔºó...</h2>',
'<div style="border:1px solid #000;width:500px;"><div id="progress_bar">loading...</div></div>';
for($i=1;$i<=100;$i++){
$width = '500';
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ