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

php »ù´¡±Ê¼Ç array

/***************************by
garcon1986********************************/
<?php
// simple assgin the values
$arr1 = array(12 => 10, 'sjg' => 'yaya');
echo $arr1[12].'<br>'; // 10
echo $arr1['sjg']."<br>"; //yaya
echo "wo ai ni !<p>"; // wo ai ni!
// place an array into another array
$arr2 = array("somearray" => array(6=>5, 13=>9, "a"=>42));
echo $arr2["somearray"][6]."<br>"; //5
echo $arr2["somearray"][13]."<br>"; //9
echo $arr2["somearray"]["a"]."<br>"; //42
// re-define array
$arr3 = array(1=>2, 3=>4, 5=>6);
echo $arr3[1]."<br>"; //2
echo $arr3[3]."<br>"; //4
$arr3 = array(1=>3, 2=>5, 3=>6, 4=>7);
echo $arr3[1]."<br>"; //3
echo $arr3[3]."<br>"; //6
$arr4=array(1,2,3,4,5);
print_r($arr4); //Array([0]=>1 [1]=>2 [2]=>3 [3]=>4 [4]=>5)
echo "<br>";
// Now delete every item, but leave the array itself intact:
foreach($arr4 as $i=>$value){
unset($arr4[$i]);
}
print_r($arr4); //Array()
echo "<br>";
// Append an item (note that the new key is 5, instead of 0).
$arr4[]=6;
print_r($arr4); //Array([5]=>6)
echo "<br>";
// Re-index
$arr4 = array_values($arr4);
$arr4[]=7;
print_r($arr4); //Array([0]=>6 [1]=>7)
echo '<br>';
$arr5 = array(5=>1, 12=>2);
$arr5[]=56;
$arr5["x"]=42;
print_r($arr5); //Array ( [5] => 1 [12] => 2 [13] => 56 [x] => 42 )
echo '<br>';
unset($arr5[5]);
print_r($arr5).'<br>'; //Array ( [12] => 2 [13] => 56 [x] => 42 )
unset($arr5);
echo '<p>';
$charles = array(1=>'one', 2=>'two', 3=>'three');
unset($charles[2]);
print_r($charles);
echo '<br>';
$charles = array_val


Ïà¹ØÎĵµ£º

PHP³ÌÐòÔ±×îÒ×·¸10ÖÖ´íÎó


1.²»×ªÒâhtml entities
Ò»¸ö»ù±¾µÄ³£Ê¶£ºËùÓв»¿ÉÐÅÈεÄÊäÈë£¨ÌØ±ðÊÇÓû§´ÓformÖÐÌá½»µÄÊý¾Ý£© £¬Êä³ö֮ǰ¶¼Òª×ªÒâ¡£
echo $_GET['usename'] ;
Õâ¸öÀý×ÓÓпÉÄÜÊä³ö£º
<scrīpt>/*¸ü¸ÄadminÃÜÂëµÄ½Å±¾»òÉèÖÃcookieµÄ½Å±¾*/</scrīpt>
ÕâÊÇÒ»¸öÃ÷ÏԵݲȫÒþ»¼£¬³ý·ÇÄã±£Ö¤ÄãµÄÓû§¶¼ÕýÈ·µÄÊäÈë¡£ ......

php tips

5.¹ØÓÚ±íµ¥Ë¢ÐÂ
ÎÊ£ºÎªÊ²Ã´ÎÒÔÚµã»÷ä¯ÀÀÆ÷µÄºóÍ˰´Å¥ºó£¬ËùÓÐ×ֶεÄÐÅÏ¢¶¼±»Çå¿ÕÁË£¿
´ð£ºÕâÊÇÓÉÓÚÄãÔÚÄãµÄ±íµ¥Ìá½»Ò³ÃæÖÐʹÓÃÁË session_start º¯Êý¡£¸Ãº¯Êý»áÇ¿ÖÆµ±Ç°Ò³Ãæ²»±»»º´æ¡£½â¾ö°ì·¨Îª£¬ÔÚÄãµÄ Session_start º¯Êýºó¼ÓÈë header("Cache-control: private"); ×¢ÒâÔÚ±¾ÐÐ֮ǰÄãµÄPHP³ÌÐò²»ÄÜÓÐÈκÎÊä³ö¡£
²¹³ä£º ......

Nginx+PHP+MySQLË«»ú»¥±¸¡¢È«×Ô¶¯Çл»·½°¸[ת]

ÔÚÉú²úÓ¦ÓÃÖУ¬Ä³Ì¨“Nginx+PHP+MySQL”½Ó¿ÚÊý¾Ý·þÎñÆ÷£¬°çÑݵĽÇɫʮ·ÖÖØÒª£¬Èç¹û·þÎñÆ÷Ó²¼þ»òNginx¡¢MySQL·¢Éú¹ÊÕÏ£¬¶ø¶Ìʱ¼äÄÚÎÞ·¨»Ö¸´£¬ºó¹û½«·Ç³£ÑÏÖØ¡£ÎªÁ˱ÜÃâµ¥µã¹ÊÕÏ£¬ÎÒÉè¼ÆÁË´ËÌ×·½°¸£¬±àдÁËfailover.sh½Å±¾£¬ÊµÏÖÁËË«»ú»¥±¸¡¢È«×Ô¶¯Çл»£¬¹ÊÕÏ×ªÒÆÊ±¼äÖ»Ð輸ʮÃë¡£
¡¡¡¡Ò»¡¢Ë«»ú»¥±¸¡¢È«×Ô¶¯Çл»·½ ......

ѧϰPHPµÄ¿ª·¢

½üÀ´ÓÉÓÚ¹¤×÷µÄÐèÒª£¬¿ªÊ¼Ñ§Ï°Ê¹ÓÃPHP¡£
´Ó×òÌìÏÂÎçµ½½ñÌìÉÏÎ磬ÖÕÓÚ°Ñ¿ª·¢»·¾³´î½¨Íê±Ï¡£×ܵÄÀ´Ëµ£º³õ²½µÄÈÏʶÊÇ£ºPHPÔÚÍøÕ¾¿ª·¢ÉÏ£¬¹¦ÄÜ»¹ÊǺÜÇ¿´óµÄ¡£½ñÌìÏÂÎç³õ²½µÄ°ÑÓ﷨ʲôµÄÊìϤһÏ¡£ÒòΪ×ö¿ª·¢Õâô¶àÄêÁË£¬ºÜ¶àÓïÑÔ£¬»¹ÊÇÓеãÏàͬµÄ£¬ËùÒÔ£¬Ñ§Ï°ÆðÀ´²»ÊǺܷѾ¢¡£ºóÌì»ØÀϼң¬Ï£ÍûÄêºóÄÜÔÚPHPÉÏÓÐËùÌá¸ß¡£
Ò»¡¢± ......

¡¶Head First Éè¼ÆÄ£Ê½¡·´úÂëÖ®PHP°æ

¡¶Head First
Éè¼ÆÄ£Ê½¡·ÊDZ¾²»´íµÄ½²½âÉè¼ÆÄ£Ê½µÄÊ飬²»ÏñF4дµÄÄÇô¿ÝÔӦ¸ÃËãÊDZȽÏÈÝÒ×Àí½âµÄºÃÊé¡£ÊéÖеÄÀý×Ó¶¼±È½ÏdzÏÔÒ×¶®£¬²»¹ýÓÉÓÚÊÇÍâ¹úÀÐдµÄ£¬ËùÒÔÀý×Ó
µÄϰ¹ß²»ÊǺܸ½ºÏÖйúÌØÉ«£¬¿ÉÄÜż¶û¿´ÆðÀ´ÓÐЩ±ðŤ£¬»¹ÓÐÓïÑÔϰ¹ßÒ²²»ÊÇÖйú·ç¡£µ±È»¿´¹ýÕâ±¾ÊéÖ®ºó£¬Äã²ÅÄÜÉî¿ÌÀí½âÉè¼ÆÄ£Ê½µ½µ×ÄÜΪÄã½â¾öÄÄЩ
퉣 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ