ÔÚPHPÖбéÀúÊý×éÔªËØ
ÔÎÄÁ´½Ó£ºhttp://www.phpdo.net/index.php/20100411/56.html
ÔÚPHPÖÐʹÓÃforeachº¯Êý¿ÉÒÔ±éÀúÊý×é¡£Foreach½öÄÜÓÃÓÚÊý×飬Óï·¨ÈçÏ£º
Foreach(array as $value) statements
Foreach(array as $key=>$value) statement
µÚÒ»ÖÖÓï·¨±éÀúÊý×éʱ£¬Ã¿´ÎÑ»·Ê±£¬µ±Ç°µ¥ÔªµÄÖµ±»¸³¸ø$value£¬Êý×éÄÚ²¿µÄÖ¸ÕëÏòÇ°ÒÆÒ»Î»¡£
ÀýÈ磺
<?php
$php = array(0=>”php”,1=>”phpdo”,2=>”www.phpdo.net”);
foreach($php as $value)
{
echo “value:$value;”;
}
echo “<BR>”;
//µÚ¶þÖÖÓï·¨±éÀúʱ£¬ÔÚÿ´ÎÑ»·Ê±£¬¼üÖµ»á±»¸³Öµ¸ø±äÁ¿key.
foreach($php as $key=>$value)
{
echo “key:$key;value:$value”;
}
?>
½á¹û£º
value:php;value:phpdo;value:www.phpdo.net;
key:0;value:phpkey:1;value:phpdokey:2;value:www.phpdo.net
¶ÔÓÚ¶àάÊý×éÈç¿ÉʹÓÃÄØ£¿
û´í¡£ÄúÒ»¶¨Ïëµ½Á˰ɣ¿
ÀýÈ磺
<?php
$php = array(“php1″=>array(0=>”php”,1=>”phpdo”),”php2″=>array(0=>”phpdo.net”,1=>”www.phpdo.net”));
foreach($php as $value1)
{
foreach($value1 as $value2)
{
echo “$value2\n”;
}
}
?>
½á¹û£º
php phpdo phpdo.net www.phpdo.net
Ïà¹ØÎĵµ£º
·ÖÎöÍøÕ¾½á¹¹
¼ÈÈ»ÎÒÃÇÒѾ°²×° CI £¬ÎÒÃÇ¿ªÊ¼Á˽âËüÈçºÎ¹¤×÷¡£
¶ÁÕßÒѾ֪µÀ CI ʵÏÖÁËMVCʽÑù¡£ ͨ¹ý¶ÔĿ¼ºÍÎļþµÄÄÚÈݽøÐзÖÀà, ¶ø²»ÊÇÈôúÂë´ó¿é´ó¿éµØ¾À¼¯ÔÚÒ»Æð¡£
ÕâÒ»Õ£¬ÎÒÃǽ«»á¶Ô MVC ÀíÂÛ×ö¸ö¼ò¶ÌµÄ½éÉÜ, È»ºóÔÙ½éÉÜ CI µÄMVCʵÏÖ·½Ê½¡£ÌØ±ðµØ£¬ÒªÁ˽âÄÇЩĿ¼ºÍÎļþÈçºÎ»¥Ïཻ»»ÐÅÏ¢£¿ÍøÕ¾½á¹¹ÊÇÔõÑùµÄ£¿ÒÔ ......
mb_convert_encodingÕâ¸öº¯ÊýÊÇÓÃÀ´×ª»»±àÂëµÄ¡£ÔÀ´Ò»Ö±¶Ô³ÌÐò±àÂëÕâÒ»¸ÅÄî²»Àí½â£¬²»¹ýÏÖÔÚºÃÏñÓе㿪ÇÏÁË¡£
²»¹ýÓ¢ÎÄÒ»°ã²»»á´æÔÚ±àÂëÎÊÌ⣬ֻÓÐÖÐÎÄÊý¾Ý²Å»áÓÐÕâ¸öÎÊÌâ¡£±ÈÈçÄãÓÃZend Studio»òEditplusд³ÌÐòʱ£¬ÓõÄÊÇgbk±àÂ룬Èç¹ûÊý¾ÝÐèÒªÈëÊý¾Ý¿â£¬¶øÊý¾Ý¿âµÄ±àÂëΪutf8ʱ£¬Õâʱ¾ÍÒª°ÑÊý¾Ý½øÐбàÂëת»»£¬²»È»½øµ½Ê ......
<?php
$s = "new string";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"δ×öתÒ壬Òò´Ë$s½«±»Ìæ»»³ÉÆä±äÁ¿µÄÖµ
$str_1 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬$s";
//ÏÂÃæË«ÒýºÅ×Ö·û´®ÖеķûºÅ"$"×öÁËתÒ壬Òò´Ë$sÔ·â²»¶¯£¬²»»á±»Ì滻Ϊ±äÁ¿$sµÄÖµ
$str_2 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬\$s";
//µ¥ÒýºÅ×Ö·û´®ÖеÄ"$"²»ÓÃ×öתÒå¼´¿ÉÔÑùÊä³ö
$str_3 ......
Óû§¶¨ÒåµÄÀ࣬ҲÊÇѧºÃ PHP Ëù±Ø±¸µÄÌõ¼þÖ®Ò»¡£¶ø PHP µÄÀ࣬ºÍÆäËüµÄÃæÏò¶ÔÏóÓïÑÔ±È½ÏÆðÀ´£¬»¹ËãÂùµ¥´¿µÄ¡£PHP Ö»ÓÐÀà±ð (class)¡¢·½·¨ (method)¡¢ÊôÐÔ¡¢ÒÔ¼°µ¥Ò»¼Ì³Ð (extensions) µÈ¡£¶Ô²»Ï°¹ßʹÓà C++¡¢Java¡¢Delphi µÈÃæÏò¶ÔÏóÓïÑÔÀ´¿ª·¢³ÌÐòµÄÓû§£¬²»·ÁÏÈÔĶÁÒ»ÏÂÓйØÃæÏò¶ÔÏó¸ÅÄîµÄÊ飬ÏàÐÅ¿ÉÒÔ´øÀ´Ðí¶àµÄÊÕ»ñ¡£
......
//×îºÃÏȽ¨Á¢Ò»¸ö upload/publicÕâ¸öÎļþ¼Ð£¬ÒÔÏÂÊÇupload.php
<?php
/**
*********************************************
²ÎÊýÉ趨
*********************************************
**/
//×î´óÉÏ´«Îļþ´óС
$MAX_SIZE = 20000000;
//ÉèÖÃMineÀàÐÍ
$FILE_MIMES = array
('image/jpeg','image/jpg','image/gif ......