PHP¼òµ¥¼ÆÊýÆ÷
<?php
/*ʹÓÃÎı¾Îļþ¼Ç¼Êý¾ÝµÄ¼òµ¥ÊµÏÖ*/
$counter=1;
if(file_exists("mycounter.txt")){
$fp=fopen("mycounter.txt","r");
$counter=fgets($fp,9);
$counter++;
fclose($fp);
}
$fp=fopen("mycounter.txt","w");
fputs($fp,$counter);
fclose($fp);
echo "<h1>ÄúÊǵÚ".$counter."´Î·ÃÎʱ¾Ò³Ã棡<h1>";
?>
<?php
//ÏÂÃæÕâ¸öΪʹÓûùÓÚÊý¾Ý¿âµÄ¼òµ¥¼ÆÊýÆ÷£¬Î´Ìí¼ÓÆäËû·ÀÖ¹Ò»ÈËÖØ¸´Ë¢Ðµķ½·¨¡£½ö¹©²Î¿¼¡£¡£
$conn=mysql_connect("localhost","root","abc");
$result=mysql_query("use db_counter");
$re=mysql_query("select * from tb_counter");
$result=mysql_fetch_row($re);
$counter=$result[0];
echo "ÄúÊǵÚ{$counter}λ·ÃÎÊÕߣ¡";
$counter+=1;echo "<hr>{$counter}";
mysql_query("update tb_counter set counter=$counter");
mysql_close($conn);
?>
Ïà¹ØÎĵµ£º
ÆÕͨPHP³ÌÐòÔ±±ÊÊÔÌâ
1. ÓÃPHP´òÓ¡³öǰһÌìµÄʱ¼ä£¬´òÓ¡¸ñʽÊÇ2007Äê5ÔÂ10ÈÕ 22:21:21
2. PHP´úÂëÈçÏ£º
$a="hello";
$b=&$a;
unset($b);
$b="world";
echo $a;
Æä½á¹ûÊÇ£¿
3. PHP´úÂëÈçÏ£º
$str="cd";
$$str="landog";
$$st ......
һѡÔñÌ⣺
1.ÏÂÃæµÄÄǸöÑ¡Ïî¿ÉÒÔ»ñÈ¡±íµ¥Ìá½»µÄÖµ£¿£¨¶àÑ¡£© b d
<form name='frm1' method="post">
<input type="text" name="name" ><input type="submit" name="a">
</form>
A.$_GET['name']
B.$_POST['name']
C.$_SESSION['name']
D.$_REQUEST['name']
E.$_GLOBAL['name']
2.ÍüÀ²¡£ ......
1¡¢mysql_connect()-½¨Á¢Êý¾Ý¿âÁ¬½Ó {3RY4HVT?
¸ñʽ£º Fv n:V\eb
resource mysql_connect([string hostname [:port] [:/path/to/socket] [, string username] [, string password]]) _I;+p eq
Àý£º 1(V>8}zn
$conn = @mysql_connect("localhost", "username", "password") or dir(" ......
˵Ã÷£ºÒòΪ×î½ü¹¤×÷¹¤×÷¹ØÏµ£¬ÐèÒª¿ª·¢Ò»¸öÔÚLinuxÏÂÔËÐеÄWeb Application£¬ÐèÒª¶ÔÏÖÔڱȽÏÁ÷ÐеÄһЩPHP¿ò¼Ü×öÒ»¸öÁ˽âºÍÆÀ¹À£¬ÏÂÃæµÄÕâÆªÎÄÕÂÊDZÊÕß×î½üѧϰһ¸ö±È½ÏеÄPHP FrameworkµÄÒ»µã¾ÀúºÍ²Ù×÷²½Ö裬ÒòΪ¹Ù·½µÄÊÖ²áдµÃ±È½Ï»Þɬ£¨ÌرðÊÇÖÐÎĵģ©£¬Ôø¾³¢ÊÔ±é¶ÁËüÄǸöÊÖ²áÔÙ¶¯ÊÖ£¬¶ÁÁËÒ»´ó°ë·¢ÏÖÈÔÎÞ·¨Àí½â£¬ÓÚÊÇ ......
1.globalÔÚÕû¸öÒ³ÃæÆð×÷Óá£
2.staticÖ»ÔÚfunctionºÍclassÄÚÆð×÷Óá£
globalºÍ$GLOBALSʹÓûù±¾Ïàͬ£¬µ«ÔÚʵ¼Ê¿ª·¢Öдó²»Ïàͬ¡£
globalÔÚº¯Êý²úÉúÒ»¸öÖ¸Ïòº¯ÊýÍⲿ±äÁ¿µÄ±ðÃû±äÁ¿£¬¶ø²»ÊÇÕæÕýµÄº¯ÊýÍⲿ±äÁ¿£¬Ò»µ«¸Ä±äÁ˱ðÃû±äÁ¿µÄÖ¸ÏòµØÖ·£¬¾Í»á·¢ÉúһЩÒâÁϲ»µ½Çé¿ö£¬ÀýÈçÀý×Ó1.
$GLOBALS[]ȷȷʵʵµ÷ÓÃÊÇÍⲿµÄ±äÁ¿£ ......