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

php ÖеÄÅÐ¶Ï ×ܽá

<?php
/* Åжϳ£Á¿ÊÇ·ñ´æÔÚ*/
if (defined('MYCONSTANT')) {
echo MYCONSTANT;
}
//ÅжϱäÁ¿ÊÇ·ñ´æÔÚ
if (isset($myvar)) {
echo "´æÔÚ±äÁ¿$myvar.";
}
//ÅжϺ¯ÊýÊÇ·ñ´æÔÚ
if (function_exists('imap_open')) {
echo "´æÔÚº¯Êýimag_open\n";
} else {
echo "º¯Êýimag_open²»´æÔÚ\n";
}
//ÅжÏÀàÊÇ·ñ´æÔÚ
if (class_exists('MyClass')) {
$myclass = new MyClass();
}
//ÅжÏÎļþÊÇ·ñ´æÔÚ
$filename = '/path/to/foo.txt';
if (file_exists($filename)) {
echo "The file $filename exists";
} else {
echo "The file $filename does not exist";
}
//ÅжÏÊý×éÖÐÊÇ·ñ´æÔÚij³ÉÔ±
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
echo "Got Irix";
}
//ÅжϱäÁ¿ÀàÐÍ
is_array()
is_bool()
is_float()
is_integer()
is_null()
is_numeric()
is_object()
is_resource()
is_scalar()
is_string()
?> 


Ïà¹ØÎĵµ£º

×îÁîPHP³õѧÕßÍ·Í´µÄÊ®ËĸöÎÊÌâ


¡¾1¡¿Ò³ÃæÖ®¼äÎÞ·¨´«µÝ±äÁ¿ get,post,sessionÔÚ×îеÄphp°æ±¾ÖÐ×Ô¶¯È«¾Ö±äÁ¿Êǹرյģ¬ËùÒÔÒª´ÓÉÏÒ»Ò³ÃæÈ¡µÃÌá½»¹ýÀ´µÃ±äÁ¿ÒªÊ¹ÓÃ$_GET['foo'],$_POST['foo'],$_SESSION['foo']À´µÃµ½¡£µ±È»Ò²¿ÉÒÔÐÞ¸Ä×Ô¶¯È«¾Ö±äÁ¿Îª¿ª(php.ini¸ÄΪregister_globals = On)£»¿¼Âǵ½¼æÈÝÐÔ£¬»¹ÊÇÇ¿ÆÈ×Ô¼ºÊìϤеÄд·¨±È½ÏºÃ¡£
¡¡¡¡¡¾2¡¿Wi ......

PHPÎÞÏÞ·ÖÀàµÄ¾ßÌåÔ­Àí·ÖÎö

¡¡¡¡¶ÔÓÚ³õѧPHPÓïÑÔµÄÅóÓÑÀ´Ëµ£¬PHP»¹ÓкܶණÎ÷ÐèÒªÉîÈëµÄ̽¾¿¡£Ö»ÓÐÔÚ²»¶ÏµÄÎÊÌâ´¦ÀíÖвÅÄÜÕÆÎÕÆäÖеÄÕæÖ¿¡£Ê²Ã´ÊÇPHPÎÞÏÞ·ÖÀàÄØ?¾ÍÏñwindowsÏÂн¨Ò»¸öÎļþ¼Ð£¬ÔÚн¨µÄÎļþ¼ÐÏÂÓÖ¿ÉÒÔн¨Ò»¸öÎļþ¼Ð£¬ÕâÑùÎÞÏÞÑ­»·ÏÂÈ¥£¬ÎÞÏÞ·ÖÀàÒ²ÊÇÕâÑù£¬¸¸Àà¿ÉÒÔ·Ö³öËü×ÓÀ࣬×ÓÀàÓÖ¿ÉÒÔ·Ö³öËüµÄ×ÓÀ࣬ÕâÑùÒ»Ö±ÎÞÏÞÑ­»·ÏÂÈ¥¡£
¡¡¡¡Ä ......

php µ÷ÓÃmssql´æ´¢¹ý³ÌʵÀýÓ¦ÓÃ

php½Ì³Ì µ÷ÓÃmssql´æ´¢¹ý³ÌʵÀýÓ¦ÓÃ
ÓÃmssql_initÓï¾äÓÃÓÚ³õʼ»¯´æ´¢¹ý³Ì£¬¶øºóµ÷ÓÃmssql_bindÓï¾äÖ¸¶¨´æ´¢¹ý³Ì²ÎÊý£¬×îºóµ÷ÓÃmssql_executeÖ´Ðд洢¹ý³Ì¡£
*/
//Á¬½ÓmssqlÊý¾Ý¿â½Ì³Ì·þÎñÆ÷
 $link = mssql_connect("127.0.0.1", "sa", "sa") or die("Can't connect sql server");
    mssql_sele ......

PHP×Ö·û´®²Ù×÷ÈëÃÅ

ÎÞÂÛÄÄÖÖÓïÑÔ£¬×Ö·û´®²Ù×÷¶¼ÊÇÒ»¸öÖØÒªµÄ»ù´¡£¬ÍùÍùÊǼòµ¥¶øÖØÒª¡£ÕýÏñÈË˵»°Ò»Ñù£¬Ò»°ãÓÐÐÎÌ壨ͼÐνçÃæ£©£¬ÓÐÓïÑÔ£¨print ×Ö·û´®£¿£©£¬ÏÔÈ»×Ö·û´®ÄܽâÊ͸ü¶àµÄ¶«Î÷¡£PHPÌṩÁË´óÁ¿µÄ×Ö·û´®²Ù×÷º¯Êý£¬¹¦ÄÜÇ¿´ó£¬Ê¹ÓÃÒ²±È½Ï¼òµ¥£¬ÏêϸÇë²Î¿´ http://cn2.php.net/manual/zh/ref.strings.php . ÒÔϽ«¼òµ¥µÄ½²ÊöËüµÄ¹¦ÄܺÍÌØÐ ......

PHP smarty foreachÓ÷¨£¡

ÊôÐÔÃû³Æ£ºfrom£¬item,key,name
×¢Ò⣺
1,fromºÍitemÊDZØÒªÊôÐÔ
2,{foreach}Ñ­»·µÄname¿ÉÒÔÊÇÈκÎ×Öĸ£¬Êý×飬Ï»®ÏßµÄ×éºÏ£¬²Î¿¼PHP±äÁ¿¡£
3,{foreach}Ñ­»·¿ÉÒÔǶÌ×£¬Ç¶Ì×µÄ{foreach}µÄÃû³ÆÓ¦µ±»¥²»Ïàͬ¡£
ÎļþÒ»£ºindex.tpl
<b>ÏÂÃæµÄÊý¾Ý·Ö±ðÊÇ£º</b>
<ul>
{foreach from=$myArray1 key=k ite ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ