PHP 手册
目录
序文
入门指引
简介
PHP 是什么？
PHP 能做什么？
简明教程
我需要些什么？
您的第一个 PHP 页面
实用的脚本
处理表单
在新版本的 PHP 中使用旧的 PHP 代码
下一步做什么？
安装
安装前的准备
在 Unix/HP-UX 系统上安装
Unix/Linux 安装
Unix/Mac OS X installs
在 Unix/OpenBSD 系统上安装
Unix/Solaris 安装
在 Unix 系统上安装
Windows 系统下的安装
Servers-CGI/命令行
Apache 服务器 1.x 版本
Apache 服务器 2.x 版本
Caudium 服务器
fhttpd 服务器
IIS/PWS 服务器
Servers-Netscape, iPlanet and SunONE
OmniHTTPd 服务器
Oreilly Website Pro 服务器
Sambar 服务器
Xitami 服务器
其它 web 服务器
问题?
各种配置选项
运行时配置
配置文件
怎样改变配置选项
各种配置指令
语言参考
基本语法
从 HTML 中分离
指令分隔符
注释
类型
介绍
布尔型
整型
浮点型
字符串
数组
对象
资源
NULL
本文档中使用的伪类型
类型戏法
变量
基础
预定义变量
变量范围
可变变量
PHP 的外部变量
常量
语法
预定义常量
表达式
运算符
运算符优先级
算术运算符
赋值运算符
位运算符
比较运算符
错误控制运算符
执行运算符
加一／减一运算符
逻辑运算符
字符串运算符
数组运算符
流程控制
流程控制的替代语法
return
函数
用户自定义函数
函数的参数
返回值
变量函数
内部（内建）函数
类与对象
序列化对象 － 会话中的对象
构造函数中的引用
PHP 4 中对象的比较
PHP 5 中对象的比较
引用的解释
引用是什么
引用做什么
引用不是什么
引用传递
引用返回
取消引用
引用定位
安全
安全
一般策略
安装为 CGI 程序
安装为 Apache 模块
文件系统安全
数据库安全
错误报告
Using Register Globals
用户提交的数据
隐藏 PHP
更新到最新版本
特点
用 PHP 进行 HTTP 认证
Cookies
文件上传处理
POST 方法上传
关于错误信息的解释
一些注意事项
上传多个文件
对 PUT 方法的支持
使用远程文件
连接处理
数据库永久连接
安全模式
保安措施和安全模式
被安全模式限制或屏蔽的函数
PHP 的命令行模式
函数参考
Apache 函数库
apache_child_terminate
apache_get_modules
apache_get_version
apache_getenv
apache_lookup_uri
apache_note
apache_request_headers
apache_response_headers
apache_setenv
ascii2ebcdic
ebcdic2ascii
getallheaders
virtual
数组函数库
array_change_key_case
array_chunk
array_combine
array_count_values
array_diff_assoc
array_diff_uassoc
array_diff
array_fill
array_filter
array_flip
array_intersect_assoc
array_intersect
array_key_exists
array_keys
array_map
array_merge_recursive
array_merge
array_multisort
array_pad
array_pop
array_push
array_rand
array_reduce
array_reverse
array_search
array_shift
array_slice
array_splice
array_sum
array_udiff_assoc
array_udiff_uassoc
array_udiff
array_unique
array_unshift
array_values
array_walk
array
arsort
asort
compact
count
current
each
end
extract
in_array
key
krsort
ksort
list
natcasesort
natsort
next
pos
prev
range
reset
rsort
shuffle
sizeof
sort
uasort
uksort
usort
Aspell functions [deprecated]
aspell_check_raw
aspell_check
aspell_new
aspell_suggest
BCMath Arbitrary Precision Mathematics Functions
bcadd
bccomp
bcdiv
bcmod
bcmul
bcpow
bcpowmod
bcscale
bcsqrt
bcsub
Bzip2 Compression Functions
bzclose
bzcompress
bzdecompress
bzerrno
bzerror
bzerrstr
bzflush
bzopen
bzread
bzwrite
Calendar Functions
cal_days_in_month
cal_from_jd
cal_info
cal_to_jd
easter_date
easter_days
FrenchToJD
GregorianToJD
JDDayOfWeek
JDMonthName
JDToFrench
JDToGregorian
jdtojewish
JDToJulian
jdtounix
JewishToJD
JulianToJD
unixtojd
CCVS API Functions [deprecated]
ccvs_add
ccvs_auth
ccvs_command
ccvs_count
ccvs_delete
ccvs_done
ccvs_init
ccvs_lookup
ccvs_new
ccvs_report
ccvs_return
ccvs_reverse
ccvs_sale
ccvs_status
ccvs_textvalue
ccvs_void
Windows 的 COM 支持函数库
COM
VARIANT
com_addref
com_get
com_invoke
com_isenum
com_load_typelib
com_load
com_propget
com_propput
com_propset
com_release
com_set
类／对象函数库
call_user_method_array
call_user_method
class_exists
get_class_methods
get_class_vars
get_class
get_declared_classes
get_object_vars
get_parent_class
is_a
is_subclass_of
method_exists
ClibPDF Functions
cpdf_add_annotation
cpdf_add_outline
cpdf_arc
cpdf_begin_text
cpdf_circle
cpdf_clip
cpdf_close
cpdf_closepath_fill_stroke
cpdf_closepath_stroke
cpdf_closepath
cpdf_continue_text
cpdf_curveto
cpdf_end_text
cpdf_fill_stroke
cpdf_fill
cpdf_finalize_page
cpdf_finalize
cpdf_global_set_document_limits
cpdf_import_jpeg
cpdf_lineto
cpdf_moveto
cpdf_newpath
cpdf_open
cpdf_output_buffer
cpdf_page_init
cpdf_place_inline_image
cpdf_rect
cpdf_restore
cpdf_rlineto
cpdf_rmoveto
cpdf_rotate_text
cpdf_rotate
cpdf_save_to_file
cpdf_save
cpdf_scale
cpdf_set_action_url
cpdf_set_char_spacing
cpdf_set_creator
cpdf_set_current_page
cpdf_set_font_directories
cpdf_set_font_map_file
cpdf_set_font
cpdf_set_horiz_scaling
cpdf_set_keywords
cpdf_set_leading
cpdf_set_page_animation
cpdf_set_subject
cpdf_set_text_matrix
cpdf_set_text_pos
cpdf_set_text_rendering
cpdf_set_text_rise
cpdf_set_title
cpdf_set_viewer_preferences
cpdf_set_word_spacing
cpdf_setdash
cpdf_setflat
cpdf_setgray_fill
cpdf_setgray_stroke
cpdf_setgray
cpdf_setlinecap
cpdf_setlinejoin
cpdf_setlinewidth
cpdf_setmiterlimit
cpdf_setrgbcolor_fill
cpdf_setrgbcolor_stroke
cpdf_setrgbcolor
cpdf_show_xy
cpdf_show
cpdf_stringwidth
cpdf_stroke
cpdf_text
cpdf_translate
Crack Functions
crack_check
crack_closedict
crack_getlastmessage
crack_opendict
CURL, Client URL Library Functions
curl_close
curl_errno
curl_error
curl_exec
curl_getinfo
curl_init
curl_multi_add_handle
curl_multi_close
curl_multi_exec
curl_multi_getcontent
curl_multi_info_read
curl_multi_init
curl_multi_remove_handle
curl_multi_select
curl_setopt
curl_version
Cybercash Payment Functions
cybercash_base64_decode
cybercash_base64_encode
cybercash_decr
cybercash_encr
Cyrus IMAP administration Functions
cyrus_authenticate
cyrus_bind
cyrus_close
cyrus_connect
cyrus_query
cyrus_unbind
Character Type Functions
ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit
Database (dbm-style) Abstraction Layer Functions
dba_close
dba_delete
dba_exists
dba_fetch
dba_firstkey
dba_handlers
dba_insert
dba_key_split
dba_list
dba_nextkey
dba_open
dba_optimize
dba_popen
dba_replace
dba_sync
时间日期函数库
checkdate
date
getdate
gettimeofday
gmdate
gmmktime
gmstrftime
localtime
microtime
mktime
strftime
strtotime
time
dBase Functions
dbase_add_record
dbase_close
dbase_create
dbase_delete_record
dbase_get_header_info
dbase_get_record_with_names
dbase_get_record
dbase_numfields
dbase_numrecords
dbase_open
dbase_pack
dbase_replace_record
DBM Functions [deprecated]
dblist
dbmclose
dbmdelete
dbmexists
dbmfetch
dbmfirstkey
dbminsert
dbmnextkey
dbmopen
dbmreplace
dbx Functions
dbx_close
dbx_compare
dbx_connect
dbx_error
dbx_escape_string
dbx_fetch_row
dbx_query
dbx_sort
DB++ Functions
dbplus_add
dbplus_aql
dbplus_chdir
dbplus_close
dbplus_curr
dbplus_errcode
dbplus_errno
dbplus_find
dbplus_first
dbplus_flush
dbplus_freealllocks
dbplus_freelock
dbplus_freerlocks
dbplus_getlock
dbplus_getunique
dbplus_info
dbplus_last
dbplus_lockrel
dbplus_next
dbplus_open
dbplus_prev
dbplus_rchperm
dbplus_rcreate
dbplus_rcrtexact
dbplus_rcrtlike
dbplus_resolve
dbplus_restorepos
dbplus_rkeys
dbplus_ropen
dbplus_rquery
dbplus_rrename
dbplus_rsecindex
dbplus_runlink
dbplus_rzap
dbplus_savepos
dbplus_setindex
dbplus_setindexbynumber
dbplus_sql
dbplus_tcl
dbplus_tremove
dbplus_undo
dbplus_undoprepare
dbplus_unlockrel
dbplus_unselect
dbplus_update
dbplus_xlockrel
dbplus_xunlockrel
Direct IO Functions
dio_close
dio_fcntl
dio_open
dio_read
dio_seek
dio_stat
dio_tcsetattr
dio_truncate
dio_write
目录函数库
chdir
chroot
dir
closedir
getcwd
opendir
readdir
rewinddir
scandir
DOM XML Functions
DomAttribute->name
DomAttribute->specified
DomAttribute->value
DomDocument->add_root
DomDocument->create_attribute
DomDocument->create_cdata_section
DomDocument->create_comment
DomDocument->create_element_ns
DomDocument->create_element
DomDocument->create_entity_reference
DomDocument->create_processing_instruction
DomDocument->create_text_node
DomDocument->doctype
DomDocument->document_element
DomDocument->dump_file
DomDocument->dump_mem
DomDocument->get_element_by_id
DomDocument->get_elements_by_tagname
DomDocument->html_dump_mem
DomDocument->xinclude
DomDocumentType->entities
DomDocumentType->internal_subset
DomDocumentType->name
DomDocumentType->notations
DomDocumentType->public_id
DomDocumentType->system_id
DomElement->get_attribute_node
DomElement->get_attribute
DomElement->get_elements_by_tagname
DomElement->has_attribute
DomElement->remove_attribute
DomElement->set_attribute
DomElement->tagname
DomNode->add_namespace
DomNode->append_child
DomNode->append_sibling
DomNode->attributes
DomNode->child_nodes
DomNode->clone_node
DomNode->dump_node
DomNode->first_child
DomNode->get_content
DomNode->has_attributes
DomNode->has_child_nodes
DomNode->insert_before
DomNode->is_blank_node
DomNode->last_child
DomNode->next_sibling
DomNode->node_name
DomNode->node_type
DomNode->node_value
DomNode->owner_document
DomNode->parent_node
DomNode->prefix
DomNode->previous_sibling
DomNode->remove_child
DomNode->replace_child
DomNode->replace_node
DomNode->set_content
DomNode->set_name
DomNode->set_namespace
DomNode->unlink_node
DomProcessingInstruction->data
DomProcessingInstruction->target
DomXsltStylesheet->process
DomXsltStylesheet->result_dump_file
DomXsltStylesheet->result_dump_mem
domxml_new_doc
domxml_open_file
domxml_open_mem
domxml_version
domxml_xmltree
domxml_xslt_stylesheet_doc
domxml_xslt_stylesheet_file
domxml_xslt_stylesheet
xpath_eval_expression
xpath_eval
xpath_new_context
xptr_eval
xptr_new_context
.NET Functions
dotnet_load
Error Handling and Logging Functions
debug_backtrace
debug_print_backtrace
error_log
error_reporting
restore_error_handler
set_error_handler
trigger_error
user_error
File Alteration Monitor Functions
fam_cancel_monitor
fam_close
fam_monitor_collection
fam_monitor_directory
fam_monitor_file
fam_next_event
fam_open
fam_pending
fam_resume_monitor
fam_suspend_monitor
FrontBase Functions
fbsql_affected_rows
fbsql_autocommit
fbsql_change_user
fbsql_close
fbsql_commit
fbsql_connect
fbsql_create_blob
fbsql_create_clob
fbsql_create_db
fbsql_data_seek
fbsql_database_password
fbsql_database
fbsql_db_query
fbsql_db_status
fbsql_drop_db
fbsql_errno
fbsql_error
fbsql_fetch_array
fbsql_fetch_assoc
fbsql_fetch_field
fbsql_fetch_lengths
fbsql_fetch_object
fbsql_fetch_row
fbsql_field_flags
fbsql_field_len
fbsql_field_name
fbsql_field_seek
fbsql_field_table
fbsql_field_type
fbsql_free_result
fbsql_get_autostart_info
fbsql_hostname
fbsql_insert_id
fbsql_list_dbs
fbsql_list_fields
fbsql_list_tables
fbsql_next_result
fbsql_num_fields
fbsql_num_rows
fbsql_password
fbsql_pconnect
fbsql_query
fbsql_read_blob
fbsql_read_clob
fbsql_result
fbsql_rollback
fbsql_select_db
fbsql_set_lob_mode
fbsql_set_transaction
fbsql_start_db
fbsql_stop_db
fbsql_tablename
fbsql_username
fbsql_warnings
filePro Functions
filepro_fieldcount
filepro_fieldname
filepro_fieldtype
filepro_fieldwidth
filepro_retrieve
filepro_rowcount
filepro
文件系统函数库
basename
chgrp
chmod
chown
clearstatcache
copy
delete
dirname
disk_free_space
disk_total_space
diskfreespace
fclose
feof
fflush
fgetc
fgetcsv
fgets
fgetss
file_exists
file_get_contents
file_put_contents
file
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
flock
fnmatch
fopen
fpassthru
fputs
fread
fscanf
fseek
fstat
ftell
ftruncate
fwrite
glob
is_dir
is_executable
is_file
is_link
is_readable
is_uploaded_file
is_writable
is_writeable
link
linkinfo
lstat
mkdir
move_uploaded_file
parse_ini_file
pathinfo
pclose
popen
readfile
readlink
realpath
rename
rewind
rmdir
set_file_buffer
stat
symlink
tempnam
tmpfile
touch
umask
unlink
Forms Data Format Functions
fdf_add_doc_javascript
fdf_add_template
fdf_close
fdf_create
fdf_enum_values
fdf_errno
fdf_error
fdf_get_ap
fdf_get_attachment
fdf_get_encoding
fdf_get_file
fdf_get_flags
fdf_get_opt
fdf_get_status
fdf_get_value
fdf_get_version
fdf_header
fdf_next_field_name
fdf_open_string
fdf_open
fdf_remove_item
fdf_save_string
fdf_save
fdf_set_ap
fdf_set_encoding
fdf_set_file
fdf_set_flags
fdf_set_javascript_action
fdf_set_opt
fdf_set_status
fdf_set_submit_form_action
fdf_set_target_frame
fdf_set_value
fdf_set_version
FriBiDi Functions
fribidi_log2vis
FTP 函数库
ftp_alloc
ftp_cdup
ftp_chdir
ftp_chmod
ftp_close
ftp_connect
ftp_delete
ftp_exec
ftp_fget
ftp_fput
ftp_get_option
ftp_get
ftp_login
ftp_mdtm
ftp_mkdir
ftp_nb_continue
ftp_nb_fget
ftp_nb_fput
ftp_nb_get
ftp_nb_put
ftp_nlist
ftp_pasv
ftp_put
ftp_pwd
ftp_quit
ftp_raw
ftp_rawlist
ftp_rename
ftp_rmdir
ftp_set_option
ftp_site
ftp_size
ftp_ssl_connect
ftp_systype
Function Handling Functions
call_user_func_array
call_user_func
create_function
func_get_arg
func_get_args
func_num_args
function_exists
get_defined_functions
register_shutdown_function
register_tick_function
unregister_tick_function
Gettext
bind_textdomain_codeset
bindtextdomain
dcgettext
dcngettext
dgettext
dngettext
gettext
ngettext
textdomain
GMP Functions
gmp_abs
gmp_add
gmp_and
gmp_clrbit
gmp_cmp
gmp_com
gmp_div_q
gmp_div_qr
gmp_div_r
gmp_div
gmp_divexact
gmp_fact
gmp_gcd
gmp_gcdext
gmp_hamdist
gmp_init
gmp_intval
gmp_invert
gmp_jacobi
gmp_legendre
gmp_mod
gmp_mul
gmp_neg
gmp_or
gmp_perfect_square
gmp_popcount
gmp_pow
gmp_powm
gmp_prob_prime
gmp_random
gmp_scan0
gmp_scan1
gmp_setbit
gmp_sign
gmp_sqrt
gmp_sqrtrem
gmp_strval
gmp_sub
gmp_xor
HTTP 相关函数库
header
headers_list
headers_sent
setcookie
setrawcookie
Hyperwave Functions
hw_Array2Objrec
hw_changeobject
hw_Children
hw_ChildrenObj
hw_Close
hw_Connect
hw_connection_info
hw_cp
hw_Deleteobject
hw_DocByAnchor
hw_DocByAnchorObj
hw_Document_Attributes
hw_Document_BodyTag
hw_Document_Content
hw_Document_SetContent
hw_Document_Size
hw_dummy
hw_EditText
hw_Error
hw_ErrorMsg
hw_Free_Document
hw_GetAnchors
hw_GetAnchorsObj
hw_GetAndLock
hw_GetChildColl
hw_GetChildCollObj
hw_GetChildDocColl
hw_GetChildDocCollObj
hw_GetObject
hw_GetObjectByQuery
hw_GetObjectByQueryColl
hw_GetObjectByQueryCollObj
hw_GetObjectByQueryObj
hw_GetParents
hw_GetParentsObj
hw_getrellink
hw_GetRemote
hw_getremotechildren
hw_GetSrcByDestObj
hw_GetText
hw_getusername
hw_Identify
hw_InCollections
hw_Info
hw_InsColl
hw_InsDoc
hw_insertanchors
hw_InsertDocument
hw_InsertObject
hw_mapid
hw_Modifyobject
hw_mv
hw_New_Document
hw_objrec2array
hw_Output_Document
hw_pConnect
hw_PipeDocument
hw_Root
hw_setlinkroot
hw_stat
hw_Unlock
hw_Who
Hyperwave API Functions
hw_api_attribute->key
hw_api_attribute->langdepvalue
hw_api_attribute->value
hw_api_attribute->values
hw_api_attribute
hw_api->checkin
hw_api->checkout
hw_api->children
hw_api_content->mimetype
hw_api_content->read
hw_api->content
hw_api->copy
hw_api->dbstat
hw_api->dcstat
hw_api->dstanchors
hw_api->dstofsrcanchors
hw_api_error->count
hw_api_error->reason
hw_api->find
hw_api->ftstat
hwapi_hgcsp
hw_api->hwstat
hw_api->identify
hw_api->info
hw_api->insert
hw_api->insertanchor
hw_api->insertcollection
hw_api->insertdocument
hw_api->link
hw_api->lock
hw_api->move
hw_api_content
hw_api_object->assign
hw_api_object->attreditable
hw_api_object->count
hw_api_object->insert
hw_api_object
hw_api_object->remove
hw_api_object->title
hw_api_object->value
hw_api->object
hw_api->objectbyanchor
hw_api->parents
hw_api_reason->description
hw_api_reason->type
hw_api->remove
hw_api->replace
hw_api->setcommitedversion
hw_api->srcanchors
hw_api->srcsofdst
hw_api->unlock
hw_api->user
hw_api->userlist
iconv Functions
iconv_get_encoding
iconv_mime_decode_headers
iconv_mime_decode
iconv_mime_encode
iconv_set_encoding
iconv_strlen
iconv_strpos
iconv_strrpos
iconv_substr
iconv
ob_iconv_handler
图像函数库
exif_imagetype
exif_read_data
exif_thumbnail
gd_info
getimagesize
image_type_to_mime_type
image2wbmp
imagealphablending
imageantialias
imagearc
imagechar
imagecharup
imagecolorallocate
imagecolorallocatealpha
imagecolorat
imagecolorclosest
imagecolorclosestalpha
imagecolorclosesthwb
imagecolordeallocate
imagecolorexact
imagecolorexactalpha
imagecolormatch
imagecolorresolve
imagecolorresolvealpha
imagecolorset
imagecolorsforindex
imagecolorstotal
imagecolortransparent
imagecopy
imagecopymerge
imagecopymergegray
imagecopyresampled
imagecopyresized
imagecreate
imagecreatefromgd2
imagecreatefromgd2part
imagecreatefromgd
imagecreatefromgif
imagecreatefromjpeg
imagecreatefrompng
imagecreatefromstring
imagecreatefromwbmp
imagecreatefromxbm
imagecreatefromxpm
imagecreatetruecolor
imagedashedline
imagedestroy
imageellipse
imagefill
imagefilledarc
imagefilledellipse
imagefilledpolygon
imagefilledrectangle
imagefilltoborder
imagefontheight
imagefontwidth
imageftbbox
imagefttext
imagegammacorrect
imagegd2
imagegd
imagegif
imageinterlace
imageistruecolor
imagejpeg
imagelayereffect
imageline
imageloadfont
imagepalettecopy
imagepng
imagepolygon
imagepsbbox
imagepscopyfont
imagepsencodefont
imagepsextendfont
imagepsfreefont
imagepsloadfont
imagepsslantfont
imagepstext
imagerectangle
imagerotate
imagesavealpha
imagesetbrush
imagesetpixel
imagesetstyle
imagesetthickness
imagesettile
imagestring
imagestringup
imagesx
imagesy
imagetruecolortopalette
imagettfbbox
imagettftext
imagetypes
imagewbmp
iptcembed
iptcparse
jpeg2wbmp
png2wbmp
read_exif_data
IMAP, POP3 and NNTP Functions
imap_8bit
imap_alerts
imap_append
imap_base64
imap_binary
imap_body
imap_bodystruct
imap_check
imap_clearflag_full
imap_close
imap_createmailbox
imap_delete
imap_deletemailbox
imap_errors
imap_expunge
imap_fetch_overview
imap_fetchbody
imap_fetchheader
imap_fetchstructure
imap_get_quota
imap_get_quotaroot
imap_getacl