PHPÊý¾ÝÀàÐÍ
PHPÊý¾ÝÀàÐÍ£¬ÓаËÖÖÔʼÀàÐÍ
ËÄÖÖ±êÁ¿ÀàÐÍ
²¼¶ûÐÍ£¨boolean£©
ÕûÐΣ¨integer£©
¸¡µãÐÍ£¨fload¡¢Ò²×ödouble£©
×Ö·û´®£¨string£©
Á½ÖÖ¸´ºÏÀàÐÍ
Êý×飨array£©
¶ÔÏó£¨object£©
Á½ÖÖÌØÊâÀàÐÍ
×ÊÔ´£¨resource£©
NULL
PHPÊÇÒ»ÖÖÈõÀàÐÍÓïÑÔ£¬ÔÚ´ó¶àÊý±à³ÌÓïÑÔÖУ¬±äÁ¿Ö»Äܱ£³ÖÒ»ÖÖÀàÐ͵ÄÊý¾Ý£¬¶øÇÒÕâ¸öÀàÐͱØÐëÔÚʹÓñäÁ¿Ç°ÉùÃ÷£¬ÀýÈçCÓïÑÔ¡¢JavaÓïÑÔÖУ¬¶¼ÐèÒªÔÚÉùÃ÷±äÁ¿Ê±Ö¸¶¨Êý¾ÝÀàÐÍ¡£È»¶ø£¬PHP±äÁ¿µÄÊý¾ÝÀàÐͲ»ÐèÒª½øÐÐÉùÃ÷£¬PHP±äÁ¿µÄÊý¾ÝÀàÐÍÊǸù¾Ý¸Ã±äÁ¿Ê¹ÓõÄÉÏÏÂÎÄÔÚÔËÐÐʱ£¨¼´±äÁ¿µÄÖµ£©¾ö¶¨µÄ¡£
Îı¾²é¿´¸´ÖÆ´úÂë´òÓ¡¹ØÓÚ
<?php
$bool = true; // ²¼¶ûÐÍ
$str = "foo"; // ×Ö·û´®
$int = 12; // ÕûÐÍ
//»ñÈ¡Êý¾ÝÀàÐÍ
echo gettype($bool); // Êä³ö boolean
echo gettype($str); // Êä³ö string
echo gettype($int); // Êä³ö integer
$var=12;
echo $var; //Êä³ö 12
$var="hello";
echo $var; //Êä³ö hello
?>
<?php
$bool = true; // ²¼¶ûÐÍ
$str = "foo"; // ×Ö·û´®
$int = 12; // ÕûÐÍ
//»ñÈ¡Êý¾ÝÀàÐÍ
echo gettype($bool); // Êä³ö boolean
echo gettype($str); // Êä³ö string
echo gettype($int); // Êä³ö integer
$var=12;
echo $var; //Êä³ö 12
$var="hello";
echo $var; //Êä³ö hello
?>
1¡¢ÕûÐÎ
ÕûÐÍÖµ¿ÉÒÔÓÃÊ®½øÖÆ¡¢°Ë½øÖÆ¡¢Ê®Áù½øÖÆÖ¸¶¨£¬Ç°Ãæ¿ÉÒÔÑ¡Ôñ¼ÓÉÏÕý¸ºµÄ·ûºÅ£¨+»ò-£©
Îı¾²é¿´¸´ÖÆ´úÂë´òÓ¡¹ØÓÚ
<?php
$num_int = 1234; // Ê®½øÖÆÊý
$num_int = -123; // Ò»¸ö¸ºÊý
$num_int = 0123;
Ïà¹ØÎĵµ£º
Éý»ªÌṩÖÕÉíÃâ·ÑASP+access PHP+mysqlÐéÄâÖ÷»ú
Ò»£ºÉý»ªÍøÂç¿Æ¼¼ÓÐÏÞ¹«Ë¾,ÓëÉý»ªÍ¬ÔÚÕ¾³¤ÖÕÉíÃâ·Ñ¿Õ¼ä·ö³Ö¼Æ»®.
1¡¢×ð¾´µÄÓû§ÄúºÃ,Ò²ÐíÄú»¹ÔÚΪÿÄêÒ»½»µÄ¿Õ¼ä·ÑÓ÷¢³î,Ò²ÐíÄúÏë»ñµÃÒ»¸ö¸üÓÅÖʵĿռäÈ´²»ÏëͶÈëÌ«¶à,´ÓÏÖÔÚÆð ÕâЩÎÊÌ⽫ÓÈжø½â→Éý»ªÍøÂç←ÓëÉý»ªÍ¬ÔÚÕ¾³¤·ö³Ö¼Æ»®È«ÃæÆô¶¯¡£
2¡¢Ã»ÓÐ×¢²á¹«Ë¾ ......
#apt-get install apache2
//°²×°apahce2
#apt-get install php5
//°²×°php5
#apt-get install mysql-server
//°²×°mysql·þÎñ¶Ë
#apt-get install mysql-myclient
//°²×°mysqlµÄ¿Í»§¶Ë
#apt-get install php-mysql
//°²×°php-mysqlµÄÁ¬½á
apache+php+mysql »·¾³ÒѾ´î½¨ºÃÁË
½«ÒÔϵķþÎñÖØÆôÒ»ÏÂ
#/et ......
Ò»¡¢µÇ½
1.½øÈëlinux
2.Óû§Ãû: root
3.¿ÚÁî:123456
4.mysql Óû§Ãû root ÃÜÂë 123456
¶þ¡¢Æô¶¯mysqlÓëapache·þÎñ
1.Æô¶¯mysqÊý¾Ý¿â:/usr/local/mysql/bin/./mysqld_safe --user=mysql &
2.Í£Ö¹mysqlÊý¾Ý¿â:/usr/local/mysql/bin/mysqladmin -u root -p shutdown
3.Æô¶¯apache: /usr/local/apache2/bin/./ap ......
Õ⼸Ì죬ÎÒÔÚѧϰPHPÓïÑÔÖеÄSPL
¡£
Õâ¸ö¶«Î÷Ó¦¸ÃÊôÓÚPHPÖеĸ߼¶ÄÚÈÝ£¬¿´ÉÏÈ¥ºÜ¸´ÔÓ£¬µ«ÊǷdz£ÓÐÓã¬ËùÒÔÎÒ×öÁ˳¤Æª±Ê¼Ç¡£²»È»¼Ç²»×¡£¬ÒÔºóÒªÓõÄʱºò£¬»¹ÊÇÒª´ÓͷѧÆð¡£
ÓÉÓÚÕâÊǹ©×Ô¼º²Î¿¼µÄ±Ê¼Ç£¬²»Êǽ̳̣¬ËùÒÔдµÃ±È½Ï¼òµ¥£¬Ã»Óжà½âÊÍ¡£µ«ÊÇÎÒÏ룬Èç¹ûÄãÊÇÒ»¸öÊìÁ·µÄPHP5³ÌÐòÔ±£¬Ó¦¸Ã×ãÒÔ¿´¶®ÏÂÃæµÄ²ÄÁÏ£¬¶øÇÒ» ......