- PHP 5.5.9 functions: 1187
- HippyVM functions: 490
The current coverage is 41%, just as an example in HHVM 2.4.2 is 87%
zend_version: 1
func_num_args: 1
func_get_arg: 0
func_get_args: 1
strlen: 1
strcmp: 1
strncmp: 1
strcasecmp: 1
strncasecmp: 1
each: 1
error_reporting: 1
define: 1
defined: 1
get_class: 1
get_called_class: 1
get_parent_class: 1
method_exists: 0
property_exists: 1
class_exists: 1
interface_exists: 1
trait_exists: 0
function_exists: 1
class_alias: 0
get_included_files: 1
get_required_files: 0
is_subclass_of: 1
is_a: 1
get_class_vars: 0
get_object_vars: 1
get_class_methods: 0
trigger_error: 0
user_error: 0
set_error_handler: 1
restore_error_handler: 1
set_exception_handler: 1
restore_exception_handler: 0
get_declared_classes: 0
get_declared_traits: 0
get_declared_interfaces: 0
get_defined_functions: 0
get_defined_vars: 1
create_function: 0
get_resource_type: 1
get_loaded_extensions: 0
extension_loaded: 1
get_extension_funcs: 0
get_defined_constants: 1
debug_backtrace: 1
debug_print_backtrace: 0
gc_collect_cycles: 0
gc_enabled: 0
gc_enable: 0
gc_disable: 0
strtotime: 1
date: 1
idate: 1
gmdate: 1
mktime: 1
gmmktime: 1
checkdate: 1
strftime: 1
gmstrftime: 1
time: 1
localtime: 1
getdate: 1
date_create: 1
date_create_immutable: 0
date_create_from_format: 0
date_create_immutable_from_format: 0
date_parse: 1
date_parse_from_format: 0
date_get_last_errors: 0
date_format: 1
date_modify: 1
date_add: 1
date_sub: 1
date_timezone_get: 1
date_timezone_set: 1
date_offset_get: 0
date_diff: 1
date_time_set: 1
date_date_set: 1
date_isodate_set: 1
date_timestamp_set: 0
date_timestamp_get: 1
timezone_open: 1
timezone_name_get: 1
timezone_name_from_abbr: 1
timezone_offset_get: 0
timezone_transitions_get: 1
timezone_location_get: 0
timezone_identifiers_list: 1
timezone_abbreviations_list: 1
timezone_version_get: 0
date_interval_create_from_date_string: 0
date_interval_format: 0
date_default_timezone_set: 1
date_default_timezone_get: 1
date_sunrise: 1
date_sunset: 1
date_sun_info: 1
ereg: 0
ereg_replace: 0
eregi: 0
eregi_replace: 0
split: 0
spliti: 0
sql_regcase: 0
libxml_set_streams_context: 0
libxml_use_internal_errors: 0
libxml_get_last_error: 0
libxml_clear_errors: 0
libxml_get_errors: 0
libxml_disable_entity_loader: 0
libxml_set_external_entity_loader: 0
openssl_pkey_free: 0
openssl_pkey_new: 0
openssl_pkey_export: 0
openssl_pkey_export_to_file: 0
openssl_pkey_get_private: 0
openssl_pkey_get_public: 0
openssl_pkey_get_details: 0
openssl_free_key: 0
openssl_get_privatekey: 0
openssl_get_publickey: 0
openssl_x509_read: 0
openssl_x509_free: 0
openssl_x509_parse: 0
openssl_x509_checkpurpose: 0
openssl_x509_check_private_key: 0
openssl_x509_export: 0
openssl_x509_export_to_file: 0
openssl_pkcs12_export: 0
openssl_pkcs12_export_to_file: 0
openssl_pkcs12_read: 0
openssl_csr_new: 0
openssl_csr_export: 0
openssl_csr_export_to_file: 0
openssl_csr_sign: 0
openssl_csr_get_subject: 0
openssl_csr_get_public_key: 0
openssl_digest: 0
openssl_encrypt: 0
openssl_decrypt: 0
openssl_cipher_iv_length: 0
openssl_sign: 0
openssl_verify: 0
openssl_seal: 0
openssl_open: 0
openssl_pbkdf2: 0
openssl_pkcs7_verify: 0
openssl_pkcs7_decrypt: 0
openssl_pkcs7_sign: 0
openssl_pkcs7_encrypt: 0
openssl_private_encrypt: 0
openssl_private_decrypt: 0
openssl_public_encrypt: 0
openssl_public_decrypt: 0
openssl_get_md_methods: 0
openssl_get_cipher_methods: 0
openssl_dh_compute_key: 0
openssl_random_pseudo_bytes: 0
openssl_error_string: 0
preg_match: 1
preg_match_all: 1
preg_replace: 1
preg_replace_callback: 1
preg_filter: 1
preg_split: 1
preg_quote: 1
preg_grep: 0
preg_last_error: 1
readgzfile: 0
gzrewind: 0
gzclose: 0
gzeof: 0
gzgetc: 0
gzgets: 0
gzgetss: 0
gzread: 0
gzopen: 0
gzpassthru: 0
gzseek: 0
gztell: 0
gzwrite: 0
gzputs: 0
gzfile: 0
gzcompress: 0
gzuncompress: 0
gzdeflate: 0
gzinflate: 0
gzencode: 0
gzdecode: 0
zlib_encode: 0
zlib_decode: 0
zlib_get_coding_type: 0
ob_gzhandler: 0
bcadd: 0
bcsub: 0
bcmul: 0
bcdiv: 0
bcmod: 0
bcpow: 0
bcsqrt: 0
bcscale: 0
bccomp: 0
bcpowmod: 0
bzopen: 0
bzread: 0
bzwrite: 0
bzflush: 0
bzclose: 0
bzerrno: 0
bzerrstr: 0
bzerror: 0
bzcompress: 0
bzdecompress: 0
jdtogregorian: 0
gregoriantojd: 0
jdtojulian: 0
juliantojd: 0
jdtojewish: 0
jewishtojd: 0
jdtofrench: 0
frenchtojd: 0
jddayofweek: 0
jdmonthname: 0
easter_date: 0
easter_days: 0
unixtojd: 0
jdtounix: 0
cal_to_jd: 0
cal_from_jd: 0
cal_days_in_month: 0
cal_info: 0
ctype_alnum: 1
ctype_alpha: 1
ctype_cntrl: 1
ctype_digit: 1
ctype_lower: 1
ctype_graph: 1
ctype_print: 1
ctype_punct: 1
ctype_space: 1
ctype_upper: 1
ctype_xdigit: 1
dba_open: 0
dba_popen: 0
dba_close: 0
dba_delete: 0
dba_exists: 0
dba_fetch: 0
dba_insert: 0
dba_replace: 0
dba_firstkey: 0
dba_nextkey: 0
dba_optimize: 0
dba_sync: 0
dba_handlers: 0
dba_list: 0
dba_key_split: 0
dom_import_simplexml: 0
exif_read_data: 0
read_exif_data: 0
exif_tagname: 0
exif_thumbnail: 0
exif_imagetype: 0
finfo_open: 0
finfo_close: 0
finfo_set_flags: 0
finfo_file: 0
finfo_buffer: 0
mime_content_type: 0
filter_input: 0
filter_var: 0
filter_input_array: 0
filter_var_array: 0
filter_list: 0
filter_has_var: 0
filter_id: 0
ftp_connect: 0
ftp_ssl_connect: 0
ftp_login: 0
ftp_pwd: 0
ftp_cdup: 0
ftp_chdir: 0
ftp_exec: 0
ftp_raw: 0
ftp_mkdir: 0
ftp_rmdir: 0
ftp_chmod: 0
ftp_alloc: 0
ftp_nlist: 0
ftp_rawlist: 0
ftp_systype: 0
ftp_pasv: 0
ftp_get: 0
ftp_fget: 0
ftp_put: 0
ftp_fput: 0
ftp_size: 0
ftp_mdtm: 0
ftp_rename: 0
ftp_delete: 0
ftp_site: 0
ftp_close: 0
ftp_set_option: 0
ftp_get_option: 0
ftp_nb_fget: 0
ftp_nb_get: 0
ftp_nb_continue: 0
ftp_nb_put: 0
ftp_nb_fput: 0
ftp_quit: 0
textdomain: 0
gettext: 0
_: 0
dgettext: 0
dcgettext: 0
bindtextdomain: 0
ngettext: 0
dngettext: 0
dcngettext: 0
bind_textdomain_codeset: 0
hash: 0
hash_file: 0
hash_hmac: 0
hash_hmac_file: 0
hash_init: 0
hash_update: 0
hash_update_stream: 0
hash_update_file: 0
hash_final: 0
hash_copy: 0
hash_algos: 0
hash_pbkdf2: 0
mhash_keygen_s2k: 0
mhash_get_block_size: 0
mhash_get_hash_name: 0
mhash_count: 0
mhash: 0
iconv: 0
iconv_get_encoding: 0
iconv_set_encoding: 0
iconv_strlen: 0
iconv_substr: 0
iconv_strpos: 0
iconv_strrpos: 0
iconv_mime_encode: 0
iconv_mime_decode: 0
iconv_mime_decode_headers: 0
mb_convert_case: 0
mb_strtoupper: 0
mb_strtolower: 0
mb_language: 0
mb_internal_encoding: 0
mb_http_input: 0
mb_http_output: 0
mb_detect_order: 0
mb_substitute_character: 0
mb_parse_str: 0
mb_output_handler: 0
mb_preferred_mime_name: 0
mb_strlen: 0
mb_strpos: 0
mb_strrpos: 0
mb_stripos: 0
mb_strripos: 0
mb_strstr: 0
mb_strrchr: 0
mb_stristr: 0
mb_strrichr: 0
mb_substr_count: 0
mb_substr: 0
mb_strcut: 0
mb_strwidth: 0
mb_strimwidth: 0
mb_convert_encoding: 0
mb_detect_encoding: 0
mb_list_encodings: 0
mb_encoding_aliases: 0
mb_convert_kana: 0
mb_encode_mimeheader: 0
mb_decode_mimeheader: 0
mb_convert_variables: 0
mb_encode_numericentity: 0
mb_decode_numericentity: 0
mb_send_mail: 0
mb_get_info: 0
mb_check_encoding: 0
mb_regex_encoding: 0
mb_regex_set_options: 0
mb_ereg: 0
mb_eregi: 0
mb_ereg_replace: 0
mb_eregi_replace: 0
mb_ereg_replace_callback: 0
mb_split: 0
mb_ereg_match: 0
mb_ereg_search: 0
mb_ereg_search_pos: 0
mb_ereg_search_regs: 0
mb_ereg_search_init: 0
mb_ereg_search_getregs: 0
mb_ereg_search_getpos: 0
mb_ereg_search_setpos: 0
mbregex_encoding: 0
mbereg: 0
mberegi: 0
mbereg_replace: 0
mberegi_replace: 0
mbsplit: 0
mbereg_match: 0
mbereg_search: 0
mbereg_search_pos: 0
mbereg_search_regs: 0
mbereg_search_init: 0
mbereg_search_getregs: 0
mbereg_search_getpos: 0
mbereg_search_setpos: 0
pcntl_fork: 0
pcntl_waitpid: 0
pcntl_wait: 0
pcntl_signal: 0
pcntl_signal_dispatch: 0
pcntl_wifexited: 0
pcntl_wifstopped: 0
pcntl_wifsignaled: 0
pcntl_wexitstatus: 0
pcntl_wtermsig: 0
pcntl_wstopsig: 0
pcntl_exec: 0
pcntl_alarm: 0
pcntl_get_last_error: 0
pcntl_errno: 0
pcntl_strerror: 0
pcntl_getpriority: 0
pcntl_setpriority: 0
pcntl_sigprocmask: 0
pcntl_sigwaitinfo: 0
pcntl_sigtimedwait: 0
posix_kill: 1
posix_getpid: 1
posix_getppid: 1
posix_getuid: 1
posix_setuid: 1
posix_geteuid: 1
posix_seteuid: 1
posix_getgid: 1
posix_setgid: 1
posix_getegid: 1
posix_setegid: 1
posix_getgroups: 1
posix_getlogin: 1
posix_getpgrp: 1
posix_setsid: 1
posix_setpgid: 1
posix_getpgid: 1
posix_getsid: 1
posix_uname: 1
posix_times: 1
posix_ctermid: 1
posix_ttyname: 1
posix_isatty: 1
posix_getcwd: 1
posix_mkfifo: 1
posix_mknod: 0
posix_access: 1
posix_getgrnam: 0
posix_getgrgid: 0
posix_getpwnam: 1
posix_getpwuid: 1
posix_getrlimit: 0
posix_get_last_error: 1
posix_errno: 1
posix_strerror: 1
posix_initgroups: 1
session_name: 1
session_module_name: 1
session_save_path: 1
session_id: 1
session_regenerate_id: 1
session_decode: 1
session_encode: 1
session_start: 1
session_destroy: 1
session_unset: 1
session_set_save_handler: 0
session_cache_limiter: 1
session_cache_expire: 1
session_set_cookie_params: 1
session_get_cookie_params: 1
session_write_close: 1
session_status: 1
session_register_shutdown: 0
session_commit: 1
shmop_open: 0
shmop_read: 0
shmop_close: 0
shmop_size: 0
shmop_write: 0
shmop_delete: 0
simplexml_load_file: 0
simplexml_load_string: 0
simplexml_import_dom: 0
use_soap_error_handler: 0
is_soap_fault: 0
socket_select: 0
socket_create: 0
socket_create_listen: 0
socket_create_pair: 0
socket_accept: 0
socket_set_nonblock: 0
socket_set_block: 0
socket_listen: 0
socket_close: 0
socket_write: 0
socket_read: 0
socket_getsockname: 0
socket_getpeername: 0
socket_connect: 0
socket_strerror: 0
socket_bind: 0
socket_recv: 0
socket_send: 0
socket_recvfrom: 0
socket_sendto: 0
socket_get_option: 0
socket_set_option: 0
socket_shutdown: 0
socket_last_error: 0
socket_clear_error: 0
socket_import_stream: 0
socket_sendmsg: 0
socket_recvmsg: 0
socket_cmsg_space: 0
socket_getopt: 0
socket_setopt: 0
spl_classes: 0
spl_autoload: 0
spl_autoload_extensions: 0
spl_autoload_register: 0
spl_autoload_unregister: 0
spl_autoload_functions: 0
spl_autoload_call: 0
class_parents: 0
class_implements: 0
class_uses: 0
spl_object_hash: 0
iterator_to_array: 0
iterator_count: 0
iterator_apply: 0
constant: 1
bin2hex: 1
hex2bin: 0
sleep: 0
usleep: 0
time_nanosleep: 0
time_sleep_until: 0
strptime: 0
flush: 1
wordwrap: 1
htmlspecialchars: 1
htmlentities: 0
html_entity_decode: 0
htmlspecialchars_decode: 1
get_html_translation_table: 0
sha1: 1
sha1_file: 0
md5: 1
md5_file: 0
crc32: 0
iptcparse: 0
iptcembed: 0
getimagesize: 0
getimagesizefromstring: 0
image_type_to_mime_type: 0
image_type_to_extension: 0
phpinfo: 1
phpversion: 1
phpcredits: 0
php_sapi_name: 1
php_uname: 1
php_ini_scanned_files: 0
php_ini_loaded_file: 0
strnatcmp: 1
strnatcasecmp: 1
substr_count: 1
strspn: 1
strcspn: 1
strtok: 1
strtoupper: 1
strtolower: 1
strpos: 1
stripos: 1
strrpos: 1
strripos: 1
strrev: 1
hebrev: 0
hebrevc: 0
nl2br: 1
basename: 1
dirname: 1
pathinfo: 1
stripslashes: 1
stripcslashes: 1
strstr: 1
stristr: 1
strrchr: 1
str_shuffle: 0
str_word_count: 0
str_split: 1
strpbrk: 1
substr_compare: 1
strcoll: 1
money_format: 0
substr: 1
substr_replace: 1
quotemeta: 1
ucfirst: 1
lcfirst: 1
ucwords: 1
strtr: 1
addslashes: 1
addcslashes: 1
rtrim: 1
str_replace: 1
str_ireplace: 1
str_repeat: 1
count_chars: 1
chunk_split: 1
trim: 1
ltrim: 1
strip_tags: 0
similar_text: 0
explode: 1
implode: 1
join: 1
setlocale: 1
localeconv: 1
nl_langinfo: 1
soundex: 0
levenshtein: 0
chr: 1
ord: 1
parse_str: 0
str_getcsv: 0
str_pad: 1
chop: 1
strchr: 1
sprintf: 1
printf: 1
vprintf: 1
vsprintf: 1
fprintf: 1
vfprintf: 1
sscanf: 0
fscanf: 0
parse_url: 1
urlencode: 1
urldecode: 1
rawurlencode: 1
rawurldecode: 1
http_build_query: 0
readlink: 1
linkinfo: 1
symlink: 1
link: 1
unlink: 1
exec: 0
system: 0
escapeshellcmd: 0
escapeshellarg: 1
passthru: 1
shell_exec: 0
proc_open: 0
proc_close: 0
proc_terminate: 0
proc_get_status: 0
proc_nice: 0
rand: 1
srand: 1
getrandmax: 1
mt_rand: 1
mt_srand: 1
mt_getrandmax: 1
getservbyname: 1
getservbyport: 1
getprotobyname: 1
getprotobynumber: 1
getmyuid: 0
getmygid: 1
getmypid: 0
getmyinode: 0
getlastmod: 0
base64_decode: 1
base64_encode: 1
password_hash: 0
password_get_info: 0
password_needs_rehash: 0
password_verify: 0
convert_uuencode: 1
convert_uudecode: 1
abs: 1
ceil: 1
floor: 1
round: 1
sin: 1
cos: 1
tan: 1
asin: 1
acos: 1
atan: 1
atanh: 1
atan2: 1
sinh: 1
cosh: 1
tanh: 1
asinh: 1
acosh: 1
expm1: 1
log1p: 1
pi: 1
is_finite: 1
is_nan: 1
is_infinite: 1
pow: 1
exp: 1
log: 1
log10: 1
sqrt: 1
hypot: 1
deg2rad: 1
rad2deg: 1
bindec: 1
hexdec: 1
octdec: 1
decbin: 1
decoct: 1
dechex: 1
base_convert: 1
number_format: 1
fmod: 1
inet_ntop: 1
inet_pton: 1
ip2long: 1
long2ip: 1
getenv: 1
putenv: 1
getopt: 0
sys_getloadavg: 1
microtime: 1
gettimeofday: 1
getrusage: 1
uniqid: 1
quoted_printable_decode: 0
quoted_printable_encode: 0
convert_cyr_string: 0
get_current_user: 1
set_time_limit: 1
header_register_callback: 0
get_cfg_var: 1
magic_quotes_runtime: 0
set_magic_quotes_runtime: 0
get_magic_quotes_gpc: 0
get_magic_quotes_runtime: 0
error_log: 1
error_get_last: 0
call_user_func: 1
call_user_func_array: 1
call_user_method: 0
call_user_method_array: 0
forward_static_call: 1
forward_static_call_array: 0
serialize: 1
unserialize: 1
var_dump: 1
var_export: 1
debug_zval_dump: 0
print_r: 1
memory_get_usage: 0
memory_get_peak_usage: 0
register_shutdown_function: 0
register_tick_function: 0
unregister_tick_function: 0
highlight_file: 0
show_source: 0
highlight_string: 0
php_strip_whitespace: 0
ini_get: 1
ini_get_all: 0
ini_set: 1
ini_alter: 0
ini_restore: 0
get_include_path: 1
set_include_path: 1
restore_include_path: 1
setcookie: 0
setrawcookie: 0
header: 1
header_remove: 0
headers_sent: 1
headers_list: 0
http_response_code: 0
connection_aborted: 0
connection_status: 0
ignore_user_abort: 0
parse_ini_file: 0
parse_ini_string: 0
is_uploaded_file: 0
move_uploaded_file: 0
gethostbyaddr: 1
gethostbyname: 1
gethostbynamel: 1
gethostname: 1
dns_check_record: 0
checkdnsrr: 0
dns_get_mx: 0
getmxrr: 0
dns_get_record: 0
intval: 1
floatval: 1
doubleval: 1
strval: 1
boolval: 1
gettype: 1
settype: 1
is_null: 1
is_resource: 1
is_bool: 1
is_long: 1
is_float: 1
is_int: 1
is_integer: 1
is_double: 1
is_real: 1
is_numeric: 1
is_string: 1
is_array: 1
is_object: 1
is_scalar: 1
is_callable: 1
pclose: 1
popen: 1
readfile: 1
rewind: 1
rmdir: 1
umask: 0
fclose: 1
feof: 1
fgetc: 1
fgets: 1
fgetss: 1
fread: 1
fopen: 1
fpassthru: 1
ftruncate: 1
fstat: 1
fseek: 1
ftell: 1
fflush: 1
fwrite: 1
fputs: 1
mkdir: 1
rename: 1
copy: 1
tempnam: 1
tmpfile: 1
file: 1
file_get_contents: 1
file_put_contents: 1
stream_select: 0
stream_context_create: 1
stream_context_set_params: 0
stream_context_get_params: 0
stream_context_set_option: 0
stream_context_get_options: 0
stream_context_get_default: 0
stream_context_set_default: 0
stream_filter_prepend: 0
stream_filter_append: 0
stream_filter_remove: 0
stream_socket_client: 0
stream_socket_server: 0
stream_socket_accept: 0
stream_socket_get_name: 0
stream_socket_recvfrom: 0
stream_socket_sendto: 0
stream_socket_enable_crypto: 0
stream_socket_shutdown: 0
stream_socket_pair: 0
stream_copy_to_stream: 0
stream_get_contents: 0
stream_supports_lock: 0
fgetcsv: 1
fputcsv: 0
flock: 0
get_meta_tags: 0
stream_set_read_buffer: 0
stream_set_write_buffer: 0
set_file_buffer: 0
stream_set_chunk_size: 0
set_socket_blocking: 0
stream_set_blocking: 0
socket_set_blocking: 0
stream_get_meta_data: 0
stream_get_line: 0
stream_wrapper_register: 0
stream_register_wrapper: 0
stream_wrapper_unregister: 0
stream_wrapper_restore: 0
stream_get_wrappers: 0
stream_get_transports: 0
stream_resolve_include_path: 0
stream_is_local: 0
get_headers: 0
stream_set_timeout: 0
socket_set_timeout: 0
socket_get_status: 0
realpath: 1
fnmatch: 0
fsockopen: 0
pfsockopen: 0
pack: 0
unpack: 0
get_browser: 0
crypt: 0
opendir: 1
closedir: 1
chdir: 1
chroot: 1
getcwd: 1
rewinddir: 1
readdir: 1
dir: 1
scandir: 1
glob: 0
fileatime: 1
filectime: 1
filegroup: 1
fileinode: 1
filemtime: 1
fileowner: 1
fileperms: 1
filesize: 1
filetype: 1
file_exists: 1
is_writable: 1
is_writeable: 1
is_readable: 1
is_executable: 1
is_file: 1
is_dir: 1
is_link: 1
stat: 1
lstat: 1
chown: 1
chgrp: 1
lchown: 0
lchgrp: 0
chmod: 1
touch: 1
clearstatcache: 1
disk_total_space: 1
disk_free_space: 1
diskfreespace: 1
realpath_cache_size: 0
realpath_cache_get: 0
mail: 0
ezmlm_hash: 0
openlog: 0
syslog: 0
closelog: 0
lcg_value: 1
metaphone: 0
ob_start: 1
ob_flush: 1
ob_clean: 1
ob_end_flush: 1
ob_end_clean: 1
ob_get_flush: 1
ob_get_clean: 1
ob_get_length: 0
ob_get_level: 1
ob_get_status: 0
ob_get_contents: 1
ob_implicit_flush: 0
ob_list_handlers: 0
ksort: 1
krsort: 1
natsort: 1
natcasesort: 1
asort: 1
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zip_entry_compressedsize: 0
zip_entry_compressionmethod: 0
bson_encode: 0
bson_decode: 0
dl: 0
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cli_get_process_title: 0
bcmath bz2 calendar Core ctype date dba dom ereg exif fileinfo filter ftp gettext hash iconv libxml mbstring mhash mongo openssl pcntl pcre Phar posix Reflection session shmop SimpleXML soap sockets SPL standard sysvmsg sysvsem sysvshm tokenizer wddx xml xmlreader xmlwriter zip zlib