関数を選択：
_
abs
acos
acosh
addcslashes
addslashes
array_change_key_case
array_chunk
array_combine
array_count_values
array_diff
array_diff_assoc
array_diff_key
array_diff_uassoc
array_diff_ukey
array_fill
array_fill_keys
array_filter
array_flip
array_intersect
array_intersect_assoc
array_intersect_key
array_intersect_uassoc
array_intersect_ukey
array_key_exists
array_keys
array_map
array_merge
array_merge_recursive
array_multisort
array_pad
array_pop
array_product
array_push
array_rand
array_reduce
array_reverse
array_search
array_shift
array_slice
array_splice
array_sum
array_udiff
array_udiff_assoc
array_udiff_uassoc
array_uintersect
array_uintersect_assoc
array_uintersect_uassoc
array_unique
array_unshift
array_values
array_walk
array_walk_recursive
arsort
asin
asinh
asort
assert
assert_options
atan
atan2
atanh
base64_decode
base64_encode
base_convert
basename
bin2hex
bind_textdomain_codeset
bindec
bindtextdomain
call_user_func
call_user_func_array
call_user_method
call_user_method_array
ceil
chdir
checkdate
checkdnsrr
chgrp
chmod
chop
chown
chr
chroot
chunk_split
class_exists
class_implements
class_parents
clearstatcache
closedir
closelog
compact
connection_aborted
connection_status
constant
convert_cyr_string
convert_uudecode
convert_uuencode
copy
cos
cosh
count
count_chars
crc32
create_function
crypt
ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit
curl_close
curl_copy_handle
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_setopt_array
curl_version
current
date
date_create
date_date_set
date_default_timezone_get
date_default_timezone_set
date_format
date_isodate_set
date_modify
date_offset_get
date_parse
date_sun_info
date_sunrise
date_sunset
date_time_set
date_timezone_get
date_timezone_set
dcgettext
dcngettext
debug_backtrace
debug_print_backtrace
debug_zval_dump
decbin
dechex
decoct
define
define_syslog_variables
defined
deg2rad
dgettext
dir
dirname
disk_free_space
disk_total_space
diskfreespace
dl
dngettext
dns_check_record
dns_get_mx
dns_get_record
dom_import_simplexml
doubleval
each
end
ereg
ereg_replace
eregi
eregi_replace
error_get_last
error_log
error_reporting
escapeshellarg
escapeshellcmd
exec
exif_imagetype
exif_read_data
exif_tagname
exif_thumbnail
exp
explode
expm1
extension_loaded
extract
ezmlm_hash
fclose
feof
fflush
fgetc
fgetcsv
fgets
fgetss
file
file_exists
file_get_contents
file_put_contents
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
filter_has_var
filter_id
filter_input
filter_input_array
filter_list
filter_var
filter_var_array
floatval
flock
floor
flush
fmod
fnmatch
fopen
fpassthru
fprintf
fputcsv
fputs
fread
fscanf
fseek
fsockopen
fstat
ftell
ftok
ftruncate
func_get_arg
func_get_args
func_num_args
function_exists
fwrite
gd_info
get_browser
get_cfg_var
get_class
get_class_methods
get_class_vars
get_current_user
get_declared_classes
get_declared_interfaces
get_defined_constants
get_defined_functions
get_defined_vars
get_extension_funcs
get_headers
get_html_translation_table
get_include_path
get_included_files
get_loaded_extensions
get_magic_quotes_gpc
get_magic_quotes_runtime
get_meta_tags
get_object_vars
get_parent_class
get_required_files
get_resource_type
getcwd
getdate
getenv
gethostbyaddr
gethostbyname
gethostbynamel
getimagesize
getlastmod
getmxrr
getmygid
getmyinode
getmypid
getmyuid
getopt
getprotobyname
getprotobynumber
getrandmax
getrusage
getservbyname
getservbyport
gettext
gettimeofday
gettype
glob
gmdate
gmmktime
gmp_abs
gmp_add
gmp_and
gmp_clrbit
gmp_cmp
gmp_com
gmp_div
gmp_div_q
gmp_div_qr
gmp_div_r
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_nextprime
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
gmstrftime
gzclose
gzcompress
gzdeflate
gzencode
gzeof
gzfile
gzgetc
gzgets
gzgetss
gzinflate
gzopen
gzpassthru
gzputs
gzread
gzrewind
gzseek
gztell
gzuncompress
gzwrite
hash
hash_algos
hash_file
hash_final
hash_hmac
hash_hmac_file
hash_init
hash_update
hash_update_file
hash_update_stream
header
headers_list
headers_sent
hebrev
hebrevc
hexdec
highlight_file
highlight_string
html_entity_decode
htmlentities
htmlspecialchars
htmlspecialchars_decode
http_build_query
hypot
iconv
iconv_get_encoding
iconv_mime_decode
iconv_mime_decode_headers
iconv_mime_encode
iconv_set_encoding
iconv_strlen
iconv_strpos
iconv_strrpos
iconv_substr
idate
ignore_user_abort
image2wbmp
image_type_to_extension
image_type_to_mime_type
imagealphablending
imageantialias
imagearc
imagechar
imagecharup
imagecolorallocate
imagecolorallocatealpha
imagecolorat
imagecolorclosest
imagecolorclosestalpha
imagecolorclosesthwb
imagecolordeallocate
imagecolorexact
imagecolorexactalpha
imagecolormatch
imagecolorresolve
imagecolorresolvealpha
imagecolorset
imagecolorsforindex
imagecolorstotal
imagecolortransparent
imageconvolution
imagecopy
imagecopymerge
imagecopymergegray
imagecopyresampled
imagecopyresized
imagecreate
imagecreatefromgd
imagecreatefromgd2
imagecreatefromgd2part
imagecreatefromgif
imagecreatefromjpeg
imagecreatefrompng
imagecreatefromstring
imagecreatefromwbmp
imagecreatefromxbm
imagecreatetruecolor
imagedashedline
imagedestroy
imageellipse
imagefill
imagefilledarc
imagefilledellipse
imagefilledpolygon
imagefilledrectangle
imagefilltoborder
imagefilter
imagefontheight
imagefontwidth
imageftbbox
imagefttext
imagegammacorrect
imagegd
imagegd2
imagegif
imageinterlace
imageistruecolor
imagejpeg
imagelayereffect
imageline
imageloadfont
imagepalettecopy
imagepng
imagepolygon
imagerectangle
imagerotate
imagesavealpha
imagesetbrush
imagesetpixel
imagesetstyle
imagesetthickness
imagesettile
imagestring
imagestringup
imagesx
imagesy
imagetruecolortopalette
imagettfbbox
imagettftext
imagetypes
imagewbmp
imagexbm
implode
import_request_variables
in_array
inet_ntop
inet_pton
ini_alter
ini_get
ini_get_all
ini_restore
ini_set
interface_exists
intval
ip2long
iptcembed
iptcparse
is_a
is_array
is_bool
is_callable
is_dir
is_double
is_executable
is_file
is_finite
is_float
is_infinite
is_int
is_integer
is_link
is_long
is_nan
is_null
is_numeric
is_object
is_readable
is_real
is_resource
is_scalar
is_soap_fault
is_string
is_subclass_of
is_uploaded_file
is_writable
is_writeable
iterator_apply
iterator_count
iterator_to_array
join
jpeg2wbmp
json_decode
json_encode
key
key_exists
krsort
ksort
lcg_value
lchgrp
lchown
levenshtein
libxml_clear_errors
libxml_disable_entity_loader
libxml_get_errors
libxml_get_last_error
libxml_set_streams_context
libxml_use_internal_errors
link
linkinfo
localeconv
localtime
log
log10
log1p
long2ip
lstat
ltrim
magic_quotes_runtime
mail
max
mb_check_encoding
mb_convert_case
mb_convert_encoding
mb_convert_kana
mb_convert_variables
mb_decode_mimeheader
mb_decode_numericentity
mb_detect_encoding
mb_detect_order
mb_encode_mimeheader
mb_encode_numericentity
mb_ereg
mb_ereg_match
mb_ereg_replace
mb_ereg_search
mb_ereg_search_getpos
mb_ereg_search_getregs
mb_ereg_search_init
mb_ereg_search_pos
mb_ereg_search_regs
mb_ereg_search_setpos
mb_eregi
mb_eregi_replace
mb_get_info
mb_http_input
mb_http_output
mb_internal_encoding
mb_language
mb_list_encodings
mb_output_handler
mb_parse_str
mb_preferred_mime_name
mb_regex_encoding
mb_regex_set_options
mb_send_mail
mb_split
mb_strcut
mb_strimwidth
mb_stripos
mb_stristr
mb_strlen
mb_strpos
mb_strrchr
mb_strrichr
mb_strripos
mb_strrpos
mb_strstr
mb_strtolower
mb_strtoupper
mb_strwidth
mb_substitute_character
mb_substr
mb_substr_count
mbereg
mbereg_match
mbereg_replace
mbereg_search
mbereg_search_getpos
mbereg_search_getregs
mbereg_search_init
mbereg_search_pos
mbereg_search_regs
mbereg_search_setpos
mberegi
mberegi_replace
mbregex_encoding
mbsplit
mcrypt_cbc
mcrypt_cfb
mcrypt_create_iv
mcrypt_decrypt
mcrypt_ecb
mcrypt_enc_get_algorithms_name
mcrypt_enc_get_block_size
mcrypt_enc_get_iv_size
mcrypt_enc_get_key_size
mcrypt_enc_get_modes_name
mcrypt_enc_get_supported_key_sizes
mcrypt_enc_is_block_algorithm
mcrypt_enc_is_block_algorithm_mode
mcrypt_enc_is_block_mode
mcrypt_enc_self_test
mcrypt_encrypt
mcrypt_generic
mcrypt_generic_deinit
mcrypt_generic_end
mcrypt_generic_init
mcrypt_get_block_size
mcrypt_get_cipher_name
mcrypt_get_iv_size
mcrypt_get_key_size
mcrypt_list_algorithms
mcrypt_list_modes
mcrypt_module_close
mcrypt_module_get_algo_block_size
mcrypt_module_get_algo_key_size
mcrypt_module_get_supported_key_sizes
mcrypt_module_is_block_algorithm
mcrypt_module_is_block_algorithm_mode
mcrypt_module_is_block_mode
mcrypt_module_open
mcrypt_module_self_test
mcrypt_ofb
md5
md5_file
mdecrypt_generic
memory_get_peak_usage
memory_get_usage
metaphone
method_exists
microtime
min
mkdir
mktime
money_format
move_uploaded_file
mt_getrandmax
mt_rand
mt_srand
mysql
mysql_affected_rows
mysql_client_encoding
mysql_close
mysql_connect
mysql_data_seek
mysql_db_name
mysql_db_query
mysql_dbname
mysql_errno
mysql_error
mysql_escape_string
mysql_fetch_array
mysql_fetch_assoc
mysql_fetch_field
mysql_fetch_lengths
mysql_fetch_object
mysql_fetch_row
mysql_field_flags
mysql_field_len
mysql_field_name
mysql_field_seek
mysql_field_table
mysql_field_type
mysql_fieldflags
mysql_fieldlen
mysql_fieldname
mysql_fieldtable
mysql_fieldtype
mysql_free_result
mysql_freeresult
mysql_get_client_info
mysql_get_host_info
mysql_get_proto_info
mysql_get_server_info
mysql_info
mysql_insert_id
mysql_list_dbs
mysql_list_fields
mysql_list_processes
mysql_list_tables
mysql_listdbs
mysql_listfields
mysql_listtables
mysql_num_fields
mysql_num_rows
mysql_numfields
mysql_numrows
mysql_pconnect
mysql_ping
mysql_query
mysql_real_escape_string
mysql_result
mysql_select_db
mysql_selectdb
mysql_set_charset
mysql_stat
mysql_table_name
mysql_tablename
mysql_thread_id
mysql_unbuffered_query
mysqli_affected_rows
mysqli_autocommit
mysqli_bind_param
mysqli_bind_result
mysqli_change_user
mysqli_character_set_name
mysqli_client_encoding
mysqli_close
mysqli_commit
mysqli_connect
mysqli_connect_errno
mysqli_connect_error
mysqli_data_seek
mysqli_debug
mysqli_dump_debug_info
mysqli_embedded_server_end
mysqli_embedded_server_start
mysqli_errno
mysqli_error
mysqli_escape_string
mysqli_execute
mysqli_fetch
mysqli_fetch_array
mysqli_fetch_assoc
mysqli_fetch_field
mysqli_fetch_field_direct
mysqli_fetch_fields
mysqli_fetch_lengths
mysqli_fetch_object
mysqli_fetch_row
mysqli_field_count
mysqli_field_seek
mysqli_field_tell
mysqli_free_result
mysqli_get_charset
mysqli_get_client_info
mysqli_get_client_version
mysqli_get_host_info
mysqli_get_metadata
mysqli_get_proto_info
mysqli_get_server_info
mysqli_get_server_version
mysqli_get_warnings
mysqli_info
mysqli_init
mysqli_insert_id
mysqli_kill
mysqli_more_results
mysqli_multi_query
mysqli_next_result
mysqli_num_fields
mysqli_num_rows
mysqli_options
mysqli_param_count
mysqli_ping
mysqli_prepare
mysqli_query
mysqli_real_connect
mysqli_real_escape_string
mysqli_real_query
mysqli_report
mysqli_rollback
mysqli_select_db
mysqli_send_long_data
mysqli_set_charset
mysqli_set_local_infile_default
mysqli_set_local_infile_handler
mysqli_set_opt
mysqli_sqlstate
mysqli_ssl_set
mysqli_stat
mysqli_stmt_affected_rows
mysqli_stmt_attr_get
mysqli_stmt_attr_set
mysqli_stmt_bind_param
mysqli_stmt_bind_result
mysqli_stmt_close
mysqli_stmt_data_seek
mysqli_stmt_errno
mysqli_stmt_error
mysqli_stmt_execute
mysqli_stmt_fetch
mysqli_stmt_field_count
mysqli_stmt_free_result
mysqli_stmt_get_warnings
mysqli_stmt_init
mysqli_stmt_insert_id
mysqli_stmt_num_rows
mysqli_stmt_param_count
mysqli_stmt_prepare
mysqli_stmt_reset
mysqli_stmt_result_metadata
mysqli_stmt_send_long_data
mysqli_stmt_sqlstate
mysqli_stmt_store_result
mysqli_store_result
mysqli_thread_id
mysqli_thread_safe
mysqli_use_result
mysqli_warning_count
natcasesort
natsort
next
ngettext
nl2br
nl_langinfo
number_format
ob_clean
ob_end_clean
ob_end_flush
ob_flush
ob_get_clean
ob_get_contents
ob_get_flush
ob_get_length
ob_get_level
ob_get_status
ob_gzhandler
ob_iconv_handler
ob_implicit_flush
ob_list_handlers
ob_start
octdec
opendir
openlog
openssl_csr_export
openssl_csr_export_to_file
openssl_csr_get_public_key
openssl_csr_get_subject
openssl_csr_new
openssl_csr_sign
openssl_error_string
openssl_free_key
openssl_get_privatekey
openssl_get_publickey
openssl_open
openssl_pkcs12_export
openssl_pkcs12_export_to_file
openssl_pkcs12_read
openssl_pkcs7_decrypt
openssl_pkcs7_encrypt
openssl_pkcs7_sign
openssl_pkcs7_verify
openssl_pkey_export
openssl_pkey_export_to_file
openssl_pkey_free
openssl_pkey_get_details
openssl_pkey_get_private
openssl_pkey_get_public
openssl_pkey_new
openssl_private_decrypt
openssl_private_encrypt
openssl_public_decrypt
openssl_public_encrypt
openssl_seal
openssl_sign
openssl_verify
openssl_x509_check_private_key
openssl_x509_checkpurpose
openssl_x509_export
openssl_x509_export_to_file
openssl_x509_free
openssl_x509_parse
openssl_x509_read
ord
output_add_rewrite_var
output_reset_rewrite_vars
pack
parse_ini_file
parse_str
parse_url
passthru
pathinfo
pclose
pdo_drivers
pfsockopen
php_egg_logo_guid
php_ini_loaded_file
php_ini_scanned_files
php_logo_guid
php_real_logo_guid
php_sapi_name
php_strip_whitespace
php_uname
phpcredits
phpinfo
phpversion
pi
png2wbmp
popen
pos
posix_access
posix_ctermid
posix_errno
posix_get_last_error
posix_getcwd
posix_getegid
posix_geteuid
posix_getgid
posix_getgrgid
posix_getgrnam
posix_getgroups
posix_getlogin
posix_getpgid
posix_getpgrp
posix_getpid
posix_getppid
posix_getpwnam
posix_getpwuid
posix_getrlimit
posix_getsid
posix_getuid
posix_initgroups
posix_isatty
posix_kill
posix_mkfifo
posix_mknod
posix_setegid
posix_seteuid
posix_setgid
posix_setpgid
posix_setsid
posix_setuid
posix_strerror
posix_times
posix_ttyname
posix_uname
pow
preg_grep
preg_last_error
preg_match
preg_match_all
preg_quote
preg_replace
preg_replace_callback
preg_split
prev
print_r
printf
proc_close
proc_get_status
proc_nice
proc_open
proc_terminate
property_exists
putenv
quoted_printable_decode
quotemeta
rad2deg
rand
range
rawurldecode
rawurlencode
read_exif_data
readdir
readfile
readgzfile
readlink
realpath
register_shutdown_function
register_tick_function
rename
reset
restore_error_handler
restore_exception_handler
restore_include_path
rewind
rewinddir
rmdir
round
rsort
rtrim
scandir
serialize
session_cache_expire
session_cache_limiter
session_commit
session_decode
session_destroy
session_encode
session_get_cookie_params
session_id
session_is_registered
session_module_name
session_name
session_regenerate_id
session_register
session_save_path
session_set_cookie_params
session_set_save_handler
session_start
session_unregister
session_unset
session_write_close
set_error_handler
set_exception_handler
set_file_buffer
set_include_path
set_magic_quotes_runtime
set_socket_blocking
set_time_limit
setcookie
setlocale
setrawcookie
settype
sha1
sha1_file
shell_exec
show_source
shuffle
similar_text
simplexml_import_dom
simplexml_load_file
simplexml_load_string
sin
sinh
sizeof
sleep
socket_get_status
socket_set_blocking
socket_set_timeout
sort
soundex
spl_autoload
spl_autoload_call
spl_autoload_extensions
spl_autoload_functions
spl_autoload_register
spl_autoload_unregister
spl_classes
spl_object_hash
split
spliti
sprintf
sql_regcase
sqlite_array_query
sqlite_busy_timeout
sqlite_changes
sqlite_close
sqlite_column
sqlite_create_aggregate
sqlite_create_function
sqlite_current
sqlite_error_string
sqlite_escape_string
sqlite_exec
sqlite_factory
sqlite_fetch_all
sqlite_fetch_array
sqlite_fetch_column_types
sqlite_fetch_object
sqlite_fetch_single
sqlite_fetch_string
sqlite_field_name
sqlite_has_more
sqlite_has_prev
sqlite_last_error
sqlite_last_insert_rowid
sqlite_libencoding
sqlite_libversion
sqlite_next
sqlite_num_fields
sqlite_num_rows
sqlite_open
sqlite_popen
sqlite_prev
sqlite_query
sqlite_rewind
sqlite_seek
sqlite_single_query
sqlite_udf_decode_binary
sqlite_udf_encode_binary
sqlite_unbuffered_query
sqlite_valid
sqrt
srand
sscanf
stat
str_ireplace
str_pad
str_repeat
str_replace
str_rot13
str_shuffle
str_split
str_word_count
strcasecmp
strchr
strcmp
strcoll
strcspn
stream_bucket_append
stream_bucket_make_writeable
stream_bucket_new
stream_bucket_prepend
stream_context_create
stream_context_get_default
stream_context_get_options
stream_context_set_option
stream_context_set_params
stream_copy_to_stream
stream_filter_append
stream_filter_prepend
stream_filter_register
stream_filter_remove
stream_get_contents
stream_get_filters
stream_get_line
stream_get_meta_data
stream_get_transports
stream_get_wrappers
stream_is_local
stream_register_wrapper
stream_select
stream_set_blocking
stream_set_timeout
stream_set_write_buffer
stream_socket_accept
stream_socket_client
stream_socket_enable_crypto
stream_socket_get_name
stream_socket_pair
stream_socket_recvfrom
stream_socket_sendto
stream_socket_server
stream_socket_shutdown
stream_wrapper_register
stream_wrapper_restore
stream_wrapper_unregister
strftime
strip_tags
stripcslashes
stripos
stripslashes
stristr
strlen
strnatcasecmp
strnatcmp
strncasecmp
strncmp
strpbrk
strpos
strptime
strrchr
strrev
strripos
strrpos
strspn
strstr
strtok
strtolower
strtotime
strtoupper
strtr
strval
substr
substr_compare
substr_count
substr_replace
symlink
sys_get_temp_dir
sys_getloadavg
syslog
system
tan
tanh
tempnam
textdomain
time
time_nanosleep
time_sleep_until
timezone_abbreviations_list
timezone_identifiers_list
timezone_name_from_abbr
timezone_name_get
timezone_offset_get
timezone_open
timezone_transitions_get
tmpfile
token_get_all
token_name
touch
trigger_error
trim
uasort
ucfirst
ucwords
uksort
umask
uniqid
unlink
unpack
unregister_tick_function
unserialize
urldecode
urlencode
use_soap_error_handler
user_error
usleep
usort
utf8_decode
utf8_encode
var_dump
var_export
version_compare
vfprintf
vprintf
vsprintf
wordwrap
xml_error_string
xml_get_current_byte_index
xml_get_current_column_number
xml_get_current_line_number
xml_get_error_code
xml_parse
xml_parse_into_struct
xml_parser_create
xml_parser_create_ns
xml_parser_free
xml_parser_get_option
xml_parser_set_option
xml_set_character_data_handler
xml_set_default_handler
xml_set_element_handler
xml_set_end_namespace_decl_handler
xml_set_external_entity_ref_handler
xml_set_notation_decl_handler
xml_set_object
xml_set_processing_instruction_handler
xml_set_start_namespace_decl_handler
xml_set_unparsed_entity_decl_handler
xmlwriter_end_attribute
xmlwriter_end_cdata
xmlwriter_end_comment
xmlwriter_end_document
xmlwriter_end_dtd
xmlwriter_end_dtd_attlist
xmlwriter_end_dtd_element
xmlwriter_end_dtd_entity
xmlwriter_end_element
xmlwriter_end_pi
xmlwriter_flush
xmlwriter_full_end_element
xmlwriter_open_memory
xmlwriter_open_uri
xmlwriter_output_memory
xmlwriter_set_indent
xmlwriter_set_indent_string
xmlwriter_start_attribute
xmlwriter_start_attribute_ns
xmlwriter_start_cdata
xmlwriter_start_comment
xmlwriter_start_document
xmlwriter_start_dtd
xmlwriter_start_dtd_attlist
xmlwriter_start_dtd_element
xmlwriter_start_dtd_entity
xmlwriter_start_element
xmlwriter_start_element_ns
xmlwriter_start_pi
xmlwriter_text
xmlwriter_write_attribute
xmlwriter_write_attribute_ns
xmlwriter_write_cdata
xmlwriter_write_comment
xmlwriter_write_dtd
xmlwriter_write_dtd_attlist
xmlwriter_write_dtd_element
xmlwriter_write_dtd_entity
xmlwriter_write_element
xmlwriter_write_element_ns
xmlwriter_write_pi
xmlwriter_write_raw
zend_logo_guid
zend_version
zip_close
zip_entry_close
zip_entry_compressedsize
zip_entry_compressionmethod
zip_entry_filesize
zip_entry_name
zip_entry_open
zip_entry_read
zip_open
zip_read
zlib_get_coding_type
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