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array()

array_change_key_case()

array_chunk()

array_column()

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_replace()

array_replace_recursive()

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()

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()

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()

checkdate()

date_add()

date_create_from_format()

date_create()

date_date_set()

date_default_timezone_get()

date_default_timezone_set()

date_diff()

date_format()

date_get_last_errors()

date_interval_create_from_date_string()

date_interval_format()

date_isodate_set()

date_modify()

date_offset_get()

date_parse_from_format()

date_parse()

date_sub()

date_sun_info()

date_sunrise()

date_sunset()

date_time_set()

date_timestamp_get()

date_timestamp_set()

date_timezone_get()

date_timezone_set()

date()

getdate()

gettimeofday()

gmdate()

gmmktime()

gmstrftime()

idate()

localtime()

microtime()

mktime()

strftime()

strptime()

strtotime()

time()

timezone_abbreviations_list()

timezone_identifiers_list()

timezone_location_get()

timezone_name_from_abbr()

timezone_name_get()

timezone_offset_get()

timezone_open()

timezone_transitions_get()

timezone_version_get()

chdir()

chroot()

closedir()

dir()

getcwd()

opendir()

readdir()

rewinddir()

scandir()

debug_backtrace()

debug_print_backtrace()

error_get_last()

error_log()

error_reporting()

restore_error_handler()

restore_exception_handler()

set_error_handler()

set_exception_handler()

trigger_error()

Exception()

getCode()

getFile()

getMessage()

getLine()

getPrevious()

getTrace()

getTraceAsString()

basename()

chgrp()

chmod()

chown()

clearstatcache()

copy()

delete()

dirname()

disk_free_space()

disk_total_space()

diskfreespace()

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()

flock()

fnmatch()

fopen()

fpassthru()

fputcsv()

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()

lchgrp()

lchown()

link()

linkinfo()

lstat()

mkdir()

move_uploaded_file()

parse_ini_file()

parse_ini_string()

pathinfo()

pclose()

popen()

readfile()

readlink()

realpath()

realpath_cache_get()

realpath_cache_size()

rename()

rewind()

rmdir()

set_file_buffer()

stat()

symlink()

tempnam()

tmpfile()

touch()

umask()

unlink()

filter_has_var()

filter_id()

filter_input()

filter_input_array()

filter_list()

filter_var()

filter_var_array()

ftp_alloc()

ftp_cdup()

ftp_chdir()

ftp_chmod()

ftp_close()

ftp_connect()

ftp_delete()

ftp_exec()

ftp_fget()

ftp_fput()

ftp_get()

ftp_get_option()

ftp_login()

ftp_mdtm()

ftp_mkdir()

ftp_mlsd()

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()

json_encode()

abstract

and

as

break

callable

case

catch

class

clone

const

continue

declare

default

do

echo

else

elseif

empty

enddeclare

endfor

endforeach

endif

endswitch

extends

final

finally

fn

for

foreach

function

global

if

implements

include

include_once

instanceof

insteadof

interface

isset

list()

namespace

new

or

print

private

protected

public

require

require_once

return

static

switch

throw

trait

try

use

var

while

xor

yield

yield from

libxml_clear_errors()

libxml_disable_entity_loader()

libxml_get_errors()

libxml_get_last_error()

libxml_set_external_entity_loader()

libxml_set_streams_context()

libxml_use_internal_errors()

ezmlm_hash()

mail()

abs()

acos()

acosh()

asin()

asinh()

atan()

atan2()

atanh()

base_convert()

bindec()

ceil()

cos()

cosh()

decbin()

dechex()

decoct()

deg2rad()

exp()

expm1()

floor()

fmod()

getrandmax()

hexdec()

hypot()

intdiv()

is_finite()

is_infinite()

is_nan()

lcg_value()

log()

log10()

log1p()

max()

min()

mt_getrandmax()

mt_rand()

mt_srand()

octdec()

pi()

pow()

rad2deg()

rand()

round()

sin()

sinh()

sqrt()

srand()

tan()

tanh()

connection_aborted()

connection_status()

connection_timeout()

constant()

define()

defined()

die()

eval()

exit()

get_browser()

__halt_compiler()

highlight_file()

highlight_string()

hrtime()

ignore_user_abort()

pack()

php_strip_whitespace()

show_source()

sleep()

sys_getloadavg()

time_nanosleep()

time_sleep_until()

uniqid()

unpack()

usleep()

affected_rows

autocommit

change_user

character_set_name

close

commit

connect

connect_errno

connect_error

data_seek

debug

dump_debug_info

errno

error

error_list

fetch_all

fetch_array

fetch_assoc

fetch_field

fetch_field_direct

fetch_fields

fetch_lengths

fetch_object

fetch_row

field_count

field_seek

get_charset

get_client_info

get_client_stats

get_client_version

get_connection_stats

get_host_info

get_proto_info

get_server_info

get_server_version

info

init

insert_id

kill

more_results

multi_query

next_result

options

ping

poll

prepare

query

real_connect

real_escape_string

real_query

reap_async_query

refresh

rollback

select_db

set_charset

set_local_infile_handler

sqlstate

ssl_set

stat

stmt_init

thread_id

thread_safe

use_result

warning_count

checkdnsrr()

closelog()

dns_check_record()

dns_get_mx()

dns_get_record()

fsockopen()

gethostbyaddr()

gethostbyname()

gethostbynamel()

gethostname()

getmxrr()

getprotobyname()

getprotobynumber()

getservbyname()

getservbyport()

header_register_callback()

header_remove()

header()

headers_list()

headers_sent()

http_response_code()

inet_ntop()

inet_pton()

ip2long()

long2ip()

openlog()

pfsockopen()

setcookie()

setrawcookie()

socket_get_status()

socket_set_blocking()

socket_set_timeout()

syslog()

flush()

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_gzhandler()

ob_implicit_flush()

ob_list_handlers()

ob_start()

output_add_rewrite_var()

output_reset_rewrite_vars()

preg_filter()

preg_grep()

preg_last_error()

preg_match()

preg_match_all()

preg_replace

preg_replace_callback

preg_replace_callback_array

preg_split

preg_quote

__construct()

__tostring()

addAttribute()

addChild()

asXML()

attributes()

children()

count()

getDocNamespaces()

getName()

getNamespaces()

registerXPathNamespace()

saveXML()

simplexml_import_dom()

simplexml_load_file()

simplexml_load_string()

xpath()

current()

getchildren()

haschildren()

key()

next()

rewind()

valid()

addcslashes()

addslashes()

bin2hex()

chop()

chr()

chunk_split()

convert_cyr_string()

convert_uudecode()

convert_uuencode()

count_chars()

crc32()

crypt()

echo()

explode()

fprint()

get_html_translation_table()

hebrev()

hebrevc()

hex2bin()

html_entity_decode()

htmlentities()

htmlspecialchars_decode()

htmlspecialchars()

implode()

join()

lcfirst()

levenshtein()

localeconv()

ltrim()

md5()

md5_file()

metaphone()

money_format()

nl_langinfo()

nl2br()

number_format()

ord()

parse_str()

print()

printf()

quoted_printable_decode()

quoted_printable_encode()

quotemeta()

rtrim()

setlocale()

sha1()

sha1_file()

similar_text()

soundex()

sprintf()

sscanf()

str_getcsv()

str_ireplace()

str_pad()

str_repeat()

str_replace()

str_rot13()

str_shuffle()

str_split()

str_word_count()

strcasecmp()

strchr()

strcmp()

strcoll()

strcspn()

strip_tags()

stripcslashes()

stripslashes()

stripos()

stristr()

strlen()

strnatcasecmp()

strnatcmp()

strncasecmp()

strncmp()

strpbrk()

strpos()

strrchr()

strrev()

strripos()

strrpos()

strspn()

strstr()

strtok()

strtolower()

strtoupper()

strtr()

substr()

substr_compare()

substr_count()

substr_replace()

trim()

ucfirst()

ucwords()

vfprintf()

vprintf()

vsprintf()

wordwrap()

boolval()

debug_zval_dump()

doubleval()

is_countable()

empty()

floatval()

get_defined_vars()

get_resource_type()

gettype()

intval()

is_array()

is_bool()

is_callable()

is_double()

is_float()

is_int()

is_integer()

is_iterable()

is_long()

is_null()

is_numeric()

is_object()

is_real()

is_resource()

is_scalar()

is_string()

isset()

print_r()

serialize()

settype()

strval()

unserialize()

unset()

var_dump()

var_export()

utf8_decode()

utf8_encode()

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_ns()

xml_parser_create()

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()

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()

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PHP String

[No tutorial content was provided in the prompt. Please provide the markdown body for the "PHP String" chapter so I can apply the requested technical edits.]

Practice

In PHP, which of the following functions can be used to return a formatted string?

'strlen()''strcmp()''sprintf()''str_replace()'

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