,Ӣ,,,,
|if||ж|ϵͳ|
|else||ж||
|echo||||
|return||||
|function||||
|elseif||||
|true||||
|false||||
|array|1,2|||
ļ|fopen|"ļ","򿪷ʽ"|򿪻򴴽һļ#H#ɹ һ¼, ȡļ #H##H#"r"  ֻʽ򿪣ļָָļͷ #H#"r+" дʽ򿪣ļָָļͷ #H#"w"  д뷽ʽ򿪣ļָָļͷļСΪ㡣ļԴ֮ #H#"w+" дʽ򿪣ļָָļͷļСΪ㡣ļԴ֮ #H#"a"  д뷽ʽ򿪣ļָָļĩβļԴ֮ #H#"a+" дʽ򿪣ļָָļĩβļԴ֮ #H#"x"  д뷽ʽ򿪣ļָָļͷļѴڣ fopen() ʧܲ FALSEһ E_WARNING ĴϢļԴ֮#H#"x+" Զдʽ򿪣ļָָļͷļѴڣ fopen() ʧܲ FALSEһ E_WARNING ĴϢļԴ֮|ļ|
ȡ|fgets|ļ|ȡļݡ#H#ɹ ı||
д|fwrite|"ļ","д"|дļ||
رļ|fclose|"ļ"|رһ򿪵ļԴ||
ɾļ|unlink|ļ|ɾһļ||
ļ|include|"ļ"|һļ||
ļ|filetype||ļͣ磺dir / file /link||
ļ|stat||ָļĿļ $stt = stat('test.txt'); print_r ($stt); ||
|clearstatcache||||
Ƿִ|is_executable||жļǷִ||
ڻļ|is_dir||жǷڻļ||
Ƿļ|is_file||жǷļ||
ɨĿ¼|scandir||ļ / һ||
|md5|"ַ"|ɹ򷵻 MD5 ɢУʧܣ򷵻 false#H##H##H#string	衣涨Ҫַ#H#charlist	#H#ѡ涨ʮƻʽ#H##H#TRUE - ԭʼ 16 ַƸʽ#H#FALSE - Ĭϡ32 ַʮ#H##H#עͣò PHP 5.0 ӵġ|ı|
ɾβ|trim|"ַ"|ɾ!||
ָ|str_split||ַָ||
ȡַ|iconv_substr||ȡַ||
|mysql_connect|"","ʺ",""|ݿ mysql_connect(ݿַû)|ݿ|
ѡ|mysql_select_db|"ݿ"|ѡݿ mysql_select_db(ݿ)||
ر|mysql_close|"ݿ"|رݿ||
|mysql_error||ݿʾ||
|mysql_query|""|ݿ mysql_query("SQL")һ¼||
ȡ|mysql_fetch_array||||
ȡ_|mysql_fetch_row||||
ȡ|mysql_num_rows||Դеint͡mysql_num_rows(Դ) ||
ȡǰںʱ|NOW||صǰںʱ䡣 SELECT NOW(),CURDATE(),CURTIME()||
ͼƬ|imagecreatetruecolor|,߶|һԴļ|ͼƬ|
ȡͼƬ|imagecreatefromjpeg|"ͼƬ"|һͼʶ˴Ӹļȡõͼ||
ɫ|imagecolorallocate||||
д|imagettftext|ļ,С,Ƕ,X,Y,ɫ,"·.ttf","дı"|д֡#H##H#ļ ͼ󴴽( imagecreatetruecolor())صͼԴ#H# ĳߴ硣#H#Ƕ ǶƱʾĽǶȣ0 ΪҶıֵʾʱת 90 ȱʾ϶ı#H#x#H#y#H#ɫ#H#·#H#дı||
ͼƬ|imagecopy|ԭͼƬ,ͼ,ԭX,ԭY,X,Y,,|ͼƬϣ൱ˮӡܣ#H#˵#H#    ˵#H#dst_im    Ŀͼ#H#src_im    Դͼ#H#dst_x    Ŀͼʼ x #H#dst_y    Ŀͼʼ y ꣬x,yͬΪ 0 Ͻǿʼ#H#src_x    ͼʼ x #H#src_y    ͼʼ y ꣬x,yͬΪ 0 Ͻǿʼ#H#src_w     src_x ʼĿ#H#src_h     src_y ʼĸ߶||
ͼƬ|imagejpeg|ļ|ͼƬԤɹʱ TRUE ʧʱ FALSE#H##H#ļ#H#    ļ·δûΪ NULLֱԭʼͼ#H#ͼƬ  ѡΧ 0ļС 100ļ󣩡#H#ע⣺#H#ͱͷ  image/jpeg#H#header('Content-Type: image/jpeg');||
ͷͼƬ|imagedestroy|ļ|ͷ image ڴ档image ͼ񴴽صͼʶ||
ó|define|"","ֵ"|һA,ֵΪ A define("A","A"); ||
|print_r||ֻ||
|unset||||
ǷΪ|empty||жǷΪ||
Ƿ|is_array||жǷΪ||
|or die|"ʾ"|ǰĺгʱֹʾ||
_PHPҳ|header||PHPҳ||
鿴PHPϢ|phpinfo||鿴PHPϢ||
鿴|var_dump||鿴||
Ƿ|isset||Ƿ,úصǸֵ,true/false||
Ƿ|defined||ĳǷ||
_session|session_start|| $_SESSION ֮ǰ#H##H#PHP Session #H##H#һӦóʱЩģȻرһλỰ˭֪ʱӦó򣬲ںʱֹϣһ⣺֪˭Լʲô HTTP ַά״̬#H##H#ͨڷϴ洢ûϢԱʹãPHP session ⣨ûơƷȣỰϢʱģû뿪վ󽫱ɾҪôϢ԰ݴ洢ݿС#H##H#Session ĹǣΪÿߴһΨһ id (UID) UID 洢UID 洢 cookie Уͨ URL д||
ٱ_session|session_destroy||ͨ session_destroy() ս session||