phpÖмÆËãʱ¼ä²îµÄ¼¸ÖÖ·½·¨
ÔÚphpÖмÆËãʱ¼ä²îÓÐʱºòÊǼþÂé·³µÄÊÂ!²»¹ýÖ»ÒªÄãÕÆÎÕÁËÈÕÆÚʱ¼äº¯ÊýµÄÓ÷¨ÄÇÕâЩҲ¾Í±äµÄ¼òµ¥ÁË:
Ò»¸ö¼òµ¥µÄÀý×Ó¾ÍÊǼÆËã½èÊéµÄÌìÊý,ÕâÐèÒªphp¸ù¾ÝÿÌìµÄÈÕÆÚ½øÐмÆËã,ÏÂÃæ¾ÍÀ´Ì¸Ì¸ÊµÏÖÕâÖÖÈÕÆÚ¼ÆËãµÄ¼¸ÖÖ·½·¨:
(1) Èç¹ûÓÐÊý¾Ý¿â¾ÍºÜÈÝÒ×ÁË!ÈôÊÇMSSQL¿ÉÒÔʹÓô¥·¢Æ÷!ÓÃרÃżÆËãÈÕÆÚ²îµÄº¯Êýdatediff()±ã¿É!
ÈôÊÇMYSQLÄǾÍÓÃÁ½¸öÈÕÆÚ×ֶεIJîÖµ¼ÆËãµÄ¼ÆËã½á¹û±£´æÔÚÁíÒ»¸öÊýÖµÐÍ×Ö¶ÎÖÐ!ÓÃʱµ÷Óñã¿É!
(2)Èç¹ûûÓÐÊý¾Ý¿â,ÄǾ͵ÃÍêÈ«ÓÃphpµÄʱ¼äÈÕÆÚº¯Êý!ÏÂÃæÖ÷Ҫ˵Ã÷Ö®:
Àý:¼ÆËã1998Äê5ÔÂ3ÈÕµ½1999-6-5µÄÌìÊý:
<? $startdate=mktime("0","0","0","5","3","1998");
$enddate=mktime("0","0","0","6","5","1999");
//ËùµÃµ½µÄֵΪ´Ó1970-1-1µ½²ÎÊýʱ¼äµÄ×ÜÃëÊý:ÊÇÕûÊý.ÄÇô
//ÏÂÃæµÄ´úÂë¾ÍºÃ±à¶àÁË:
$days=round(($enddate-$startdate)/3600/24) ;
echo $days;
//daysΪµÃµ½µÄÌìÊý;
Èômktime()ÖеIJÎÊýȱʡ,ÄDZíʾʹÓõ±Ç°ÈÕÆÚ,ÕâÑù±ã¿É¼ÆËã´Ó½èÊéÈÕÆÚÖÁ½ñµÄÌìÊý.
¿É±ðÍüÁ˵½ÆÚ»¹ÊéÓ´!¹ýÆÚ¿ÉÊÇÒª·£¿îµÄ!! @_@
Ïà¹ØÎĵµ£º
PHP×÷ΪһÖÖ·þÎñÆ÷¶ËµÄ½Å±¾ÓïÑÔ£¬Ïó±àд¼òµ¥£¬»òÕßÊǸ´ÔӵĶ¯Ì¬ÍøÒ³ÕâÑùµÄÈÎÎñ£¬ËüÍêÈ«Äܹ»Ê¤ÈΡ£µ«ÊÂÇé²»×ÜÊÇÈç´Ë£¬ÓÐʱΪÁËʵÏÖij¸ö¹¦ÄÜ£¬±ØÐë½èÖúÓÚ²Ù×÷ϵͳµÄÍⲿ³ÌÐò£¨»òÕß³Æ֮ΪÃüÁ£¬ÕâÑù¿ÉÒÔ×öµ½Ê°빦±¶¡£
ÄÇô£¬ÊÇ·ñ¿ÉÒÔÔÚPHP½Å±¾Öе÷ÓÃÍⲿÃüÁîÄØ£¿Èç¹ûÄÜ£¬ÈçºÎÈ¥×öÄØ£¿ÓÐЩʲô·½ÃæµÄ¹ËÂÇÄØ£¿ÏàÐÅÄã¿´Á˱¾ ......
1.PHPÀúÊ·
a.1995ÄêÓÉLerdorf´´½¨£¬µ±Ê±ËûÊÇΪÁË´´½¨Ò»¸ö·ÃÎʼÆËãÆ÷
b.1997Äê11Ô·¢ÐÐPHP 2.0£¬³ÆΪPHP-FI£¨¸öÈËÖ÷Ò³-±íµ¥½âÊÍÆ÷£©
c.1998Äê6Ô·¢ÐÐPHP3.0£¬Ãû³ÆÓÉPersonal Home Page ±ä³É HyperText Preprocessor(³¬Îı¾Ô¤´¦ÀíÆ÷)
d.2000Äê5ÔÂPHP4·¢²¼
e.PHP5·¢²¼
2.php4,php5ÌØÐÔ
3 ......
Ϊ PHP Ìí¼ÓÀ©Õ¹¿âÊÇÒ»¼þ¼òµ¥µÄÊÂÇé¡£²»¹ýÊ×ÏÈÄã×îºÃ»áÒ»µãµãC/C++±à³Ì¼¼Êõ£¬²¢ÇÒ¶ÔMakefileÓÐÒ»¶¨µÄÁ˽⡣
ÒÔÏÂÊÇÔÚ Linux ϵÄÒ»¸ö¼òµ¥Àý×Ó£º
Ê×ÏÈ£¬½øÈë php Ô´´úÂëĿ¼£¨¼ÙÉèΪ PHP_SRC£¬ÒÔÏÂͬ£©£¬Ê¹Óà php ×Ô´øµÄ ext_skel ¹¤¾ßÉú³ÉÒ»¸öÐÂÀ©Õ¹ mk4php£º
cd PHP_SRC/etc;
./ext_skel --extname=mk4php
Õý³£Ç ......
printf()º¯ÊýÊǸñʽ»¯Êä³öº¯Êý, Ò»°ãÓÃÓÚÏò±ê×¼Êä³öÉ豸°´¹æ¶¨¸ñʽÊä³öÐÅÏ¢¡£ÔÚ±àд³ÌÐòʱ¾³£»áÓõ½´Ëº¯Êý¡£º¯ÊýµÄÔÐÍΪ£º
int printf(string $fromat [,mixed $args [,mixed ...]])
º¯Êý·µ»ØֵΪÕûÐÍ¡£Èô³É¹¦Ôò·µ»ØÊä³öµÄ×Ö·ûÊý£¬Êä³ö³ö´íÔò·µ»Ø¸ºÖµ¡£
printf()º¯ÊýµÄµ÷ÓøñʽΪ:
printf("<¸ñʽ»¯×Ö·û´®>", & ......
PHP ÖÐÓÉÓÚÊý×éºÍ×Ö·û´®ÕâÁ½ÖÖ±äÁ¿ÀàÐÍÊÇÈç´Ë³£Óã¬ÒÔÖÁÓÚ PHP ¾ßÓÐÁ½¸öº¯Êý£¬¿ÉÒÔÔÚ×Ö·û´®ºÍÊý×éÖ®¼ä»¥Ïà½øÐÐת»»¡£
¡¡¡¡$array=explode(separator,$string);
¡¡¡¡$string=implode(glue,$array);
¡¡¡¡Ê¹ÓúÍÀí½âÕâÁ½¸öº¯ÊýµÄ¹Ø¼üÖ®´¦ÊÇ·Ö¸ô·û£¨separator£©ºÍ½ººÏ·û£¨glue£©¹Øϵ¡£µ±°ÑÒ»¸öÊý×éת»»³ÉÒ»¸ö×Ö·û´®Ê±£¬½«»áÉ ......