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PHP Extensions List (loaded extensions only):

My PHP installation version: 5.6.30
Click on the links get information about each extension's functions.

| Extensions Only | Expand functions |
1. Core
2. date
3. ereg
4. libxml
5. openssl
6. pcre
7. sqlite3
8. zlib
9. bcmath
10. bz2
11. calendar
12. ctype
13. curl
14. dom
15. hash
16. fileinfo
17. filter
18. ftp
19. gd
20. gettext
21. SPL
22. iconv
23. session
24. intl
25. json
26. mbstring
27. mcrypt
28. standard
- 1 constant
- 2 bin2hex
- 3 hex2bin
- 4 sleep
- 5 usleep
- 6 time_nanosleep
- 7 time_sleep_until
- 8 strptime
- 9 flush
- 10 wordwrap
- 11 htmlspecialchars
- 12 htmlentities
- 13 html_entity_decode
- 14 htmlspecialchars_decode
- 15 get_html_translation_table
- 16 sha1
- 17 sha1_file
- 18 md5
- 19 md5_file
- 20 crc32
- 21 iptcparse
- 22 iptcembed
- 23 getimagesize
- 24 getimagesizefromstring
- 25 image_type_to_mime_type
- 26 image_type_to_extension
- 27 phpinfo
- 28 phpversion
- 29 phpcredits
- 30 php_sapi_name
- 31 php_uname
- 32 php_ini_scanned_files
- 33 php_ini_loaded_file
- 34 strnatcmp
- 35 strnatcasecmp
- 36 substr_count
- 37 strspn
- 38 strcspn
- 39 strtok
- 40 strtoupper
- 41 strtolower
- 42 strpos
- 43 stripos
- 44 strrpos
- 45 strripos
- 46 strrev
- 47 hebrev
- 48 hebrevc
- 49 nl2br
- 50 basename
- 51 dirname
- 52 pathinfo
- 53 stripslashes
- 54 stripcslashes
- 55 strstr
- 56 stristr
- 57 strrchr
- 58 str_shuffle
- 59 str_word_count
- 60 str_split
- 61 strpbrk
- 62 substr_compare
- 63 strcoll
- 64 money_format
- 65 substr
- 66 substr_replace
- 67 quotemeta
- 68 ucfirst
- 69 lcfirst
- 70 ucwords
- 71 strtr
- 72 addslashes
- 73 addcslashes
- 74 rtrim
- 75 str_replace
- 76 str_ireplace
- 77 str_repeat
- 78 count_chars
- 79 chunk_split
- 80 trim
- 81 ltrim
- 82 strip_tags
- 83 similar_text
- 84 explode
- 85 implode
- 86 join
- 87 setlocale
- 88 localeconv
- 89 nl_langinfo
- 90 soundex
- 91 levenshtein
- 92 chr
- 93 ord
- 94 parse_str
- 95 str_getcsv
- 96 str_pad
- 97 chop
- 98 strchr
- 99 sprintf
- 100 printf
- 101 vprintf
- 102 vsprintf
- 103 fprintf
- 104 vfprintf
- 105 sscanf
- 106 fscanf
- 107 parse_url
- 108 urlencode
- 109 urldecode
- 110 rawurlencode
- 111 rawurldecode
- 112 http_build_query
- 113 readlink
- 114 linkinfo
- 115 symlink
- 116 link
- 117 unlink
- 118 exec
- 119 system
- 120 escapeshellcmd
- 121 escapeshellarg
- 122 passthru
- 123 shell_exec
- 124 proc_open
- 125 proc_close
- 126 proc_terminate
- 127 proc_get_status
- 128 proc_nice
- 129 rand
- 130 srand
- 131 getrandmax
- 132 mt_rand
- 133 mt_srand
- 134 mt_getrandmax
- 135 getservbyname
- 136 getservbyport
- 137 getprotobyname
- 138 getprotobynumber
- 139 getmyuid
- 140 getmygid
- 141 getmypid
- 142 getmyinode
- 143 getlastmod
- 144 base64_decode
- 145 base64_encode
- 146 password_hash
- 147 password_get_info
- 148 password_needs_rehash
- 149 password_verify
- 150 convert_uuencode
- 151 convert_uudecode
- 152 abs
- 153 ceil
- 154 floor
- 155 round
- 156 sin
- 157 cos
- 158 tan
- 159 asin
- 160 acos
- 161 atan
- 162 atanh
- 163 atan2
- 164 sinh
- 165 cosh
- 166 tanh
- 167 asinh
- 168 acosh
- 169 expm1
- 170 log1p
- 171 pi
- 172 is_finite
- 173 is_nan
- 174 is_infinite
- 175 pow
- 176 exp
- 177 log
- 178 log10
- 179 sqrt
- 180 hypot
- 181 deg2rad
- 182 rad2deg
- 183 bindec
- 184 hexdec
- 185 octdec
- 186 decbin
- 187 decoct
- 188 dechex
- 189 base_convert
- 190 number_format
- 191 fmod
- 192 inet_ntop
- 193 inet_pton
- 194 ip2long
- 195 long2ip
- 196 getenv
- 197 putenv
- 198 getopt
- 199 sys_getloadavg
- 200 microtime
- 201 gettimeofday
- 202 getrusage
- 203 uniqid
- 204 quoted_printable_decode
- 205 quoted_printable_encode
- 206 convert_cyr_string
- 207 get_current_user
- 208 set_time_limit
- 209 header_register_callback
- 210 get_cfg_var
- 211 magic_quotes_runtime
- 212 set_magic_quotes_runtime
- 213 get_magic_quotes_gpc
- 214 get_magic_quotes_runtime
- 215 error_log
- 216 error_get_last
- 217 call_user_func
- 218 call_user_func_array
- 219 call_user_method
- 220 call_user_method_array
- 221 forward_static_call
- 222 forward_static_call_array
- 223 serialize
- 224 unserialize
- 225 var_dump
- 226 var_export
- 227 debug_zval_dump
- 228 print_r
- 229 memory_get_usage
- 230 memory_get_peak_usage
- 231 register_shutdown_function
- 232 register_tick_function
- 233 unregister_tick_function
- 234 highlight_file
- 235 show_source
- 236 highlight_string
- 237 php_strip_whitespace
- 238 ini_get
- 239 ini_get_all
- 240 ini_set
- 241 ini_alter
- 242 ini_restore
- 243 get_include_path
- 244 set_include_path
- 245 restore_include_path
- 246 setcookie
- 247 setrawcookie
- 248 header
- 249 header_remove
- 250 headers_sent
- 251 headers_list
- 252 http_response_code
- 253 connection_aborted
- 254 connection_status
- 255 ignore_user_abort
- 256 parse_ini_file
- 257 parse_ini_string
- 258 is_uploaded_file
- 259 move_uploaded_file
- 260 gethostbyaddr
- 261 gethostbyname
- 262 gethostbynamel
- 263 gethostname
- 264 dns_check_record
- 265 checkdnsrr
- 266 dns_get_mx
- 267 getmxrr
- 268 dns_get_record
- 269 intval
- 270 floatval
- 271 doubleval
- 272 strval
- 273 boolval
- 274 gettype
- 275 settype
- 276 is_null
- 277 is_resource
- 278 is_bool
- 279 is_long
- 280 is_float
- 281 is_int
- 282 is_integer
- 283 is_double
- 284 is_real
- 285 is_numeric
- 286 is_string
- 287 is_array
- 288 is_object
- 289 is_scalar
- 290 is_callable
- 291 pclose
- 292 popen
- 293 readfile
- 294 rewind
- 295 rmdir
- 296 umask
- 297 fclose
- 298 feof
- 299 fgetc
- 300 fgets
- 301 fgetss
- 302 fread
- 303 fopen
- 304 fpassthru
- 305 ftruncate
- 306 fstat
- 307 fseek
- 308 ftell
- 309 fflush
- 310 fwrite
- 311 fputs
- 312 mkdir
- 313 rename
- 314 copy
- 315 tempnam
- 316 tmpfile
- 317 file
- 318 file_get_contents
- 319 file_put_contents
- 320 stream_select
- 321 stream_context_create
- 322 stream_context_set_params
- 323 stream_context_get_params
- 324 stream_context_set_option
- 325 stream_context_get_options
- 326 stream_context_get_default
- 327 stream_context_set_default
- 328 stream_filter_prepend
- 329 stream_filter_append
- 330 stream_filter_remove
- 331 stream_socket_client
- 332 stream_socket_server
- 333 stream_socket_accept
- 334 stream_socket_get_name
- 335 stream_socket_recvfrom
- 336 stream_socket_sendto
- 337 stream_socket_enable_crypto
- 338 stream_socket_shutdown
- 339 stream_socket_pair
- 340 stream_copy_to_stream
- 341 stream_get_contents
- 342 stream_supports_lock
- 343 fgetcsv
- 344 fputcsv
- 345 flock
- 346 get_meta_tags
- 347 stream_set_read_buffer
- 348 stream_set_write_buffer
- 349 set_file_buffer
- 350 stream_set_chunk_size
- 351 set_socket_blocking
- 352 stream_set_blocking
- 353 socket_set_blocking
- 354 stream_get_meta_data
- 355 stream_get_line
- 356 stream_wrapper_register
- 357 stream_register_wrapper
- 358 stream_wrapper_unregister
- 359 stream_wrapper_restore
- 360 stream_get_wrappers
- 361 stream_get_transports
- 362 stream_resolve_include_path
- 363 stream_is_local
- 364 get_headers
- 365 stream_set_timeout
- 366 socket_set_timeout
- 367 socket_get_status
- 368 realpath
- 369 fnmatch
- 370 fsockopen
- 371 pfsockopen
- 372 pack
- 373 unpack
- 374 get_browser
- 375 crypt
- 376 opendir
- 377 closedir
- 378 chdir
- 379 getcwd
- 380 rewinddir
- 381 readdir
- 382 dir
- 383 scandir
- 384 glob
- 385 fileatime
- 386 filectime
- 387 filegroup
- 388 fileinode
- 389 filemtime
- 390 fileowner
- 391 fileperms
- 392 filesize
- 393 filetype
- 394 file_exists
- 395 is_writable
- 396 is_writeable
- 397 is_readable
- 398 is_executable
- 399 is_file
- 400 is_dir
- 401 is_link
- 402 stat
- 403 lstat
- 404 chown
- 405 chgrp
- 406 lchown
- 407 lchgrp
- 408 chmod
- 409 touch
- 410 clearstatcache
- 411 disk_total_space
- 412 disk_free_space
- 413 diskfreespace
- 414 realpath_cache_size
- 415 realpath_cache_get
- 416 mail
- 417 ezmlm_hash
- 418 openlog
- 419 syslog
- 420 closelog
- 421 lcg_value
- 422 metaphone
- 423 ob_start
- 424 ob_flush
- 425 ob_clean
- 426 ob_end_flush
- 427 ob_end_clean
- 428 ob_get_flush
- 429 ob_get_clean
- 430 ob_get_length
- 431 ob_get_level
- 432 ob_get_status
- 433 ob_get_contents
- 434 ob_implicit_flush
- 435 ob_list_handlers
- 436 ksort
- 437 krsort
- 438 natsort
- 439 natcasesort
- 440 asort
- 441 arsort
- 442 sort
- 443 rsort
- 444 usort
- 445 uasort
- 446 uksort
- 447 shuffle
- 448 array_walk
- 449 array_walk_recursive
- 450 count
- 451 end
- 452 prev
- 453 next
- 454 reset
- 455 current
- 456 key
- 457 min
- 458 max
- 459 in_array
- 460 array_search
- 461 extract
- 462 compact
- 463 array_fill
- 464 array_fill_keys
- 465 range
- 466 array_multisort
- 467 array_push
- 468 array_pop
- 469 array_shift
- 470 array_unshift
- 471 array_splice
- 472 array_slice
- 473 array_merge
- 474 array_merge_recursive
- 475 array_replace
- 476 array_replace_recursive
- 477 array_keys
- 478 array_values
- 479 array_count_values
- 480 array_column
- 481 array_reverse
- 482 array_reduce
- 483 array_pad
- 484 array_flip
- 485 array_change_key_case
- 486 array_rand
- 487 array_unique
- 488 array_intersect
- 489 array_intersect_key
- 490 array_intersect_ukey
- 491 array_uintersect
- 492 array_intersect_assoc
- 493 array_uintersect_assoc
- 494 array_intersect_uassoc
- 495 array_uintersect_uassoc
- 496 array_diff
- 497 array_diff_key
- 498 array_diff_ukey
- 499 array_udiff
- 500 array_diff_assoc
- 501 array_udiff_assoc
- 502 array_diff_uassoc
- 503 array_udiff_uassoc
- 504 array_sum
- 505 array_product
- 506 array_filter
- 507 array_map
- 508 array_chunk
- 509 array_combine
- 510 array_key_exists
- 511 pos
- 512 sizeof
- 513 key_exists
- 514 assert
- 515 assert_options
- 516 version_compare
- 517 ftok
- 518 str_rot13
- 519 stream_get_filters
- 520 stream_filter_register
- 521 stream_bucket_make_writeable
- 522 stream_bucket_prepend
- 523 stream_bucket_append
- 524 stream_bucket_new
- 525 output_add_rewrite_var
- 526 output_reset_rewrite_vars
- 527 sys_get_temp_dir
29. mysql
30. mysqli
31. mysqlnd
32. PDO
33. Phar
34. posix
35. pspell
36. Reflection
37. imap
38. SimpleXML
39. snmp
40. soap
41. sockets
42. exif
43. tidy
44. tokenizer
45. wddx
46. xml
47. xmlreader
48. xmlrpc
49. xmlwriter
50. xsl
51. zip
52. cgi-fcgi
53. pdo_sqlite
54. pdo_pgsql
55. pdo_mysql
56. pgsql
57. gnupg
58. imagick
59. mailparse
60. memcache
61. OAuth
62. phalcon
63. timezonedb
64. uploadprogress
65. yaml
66. mhash
67. ionCube Loader
68. SourceGuardian
69. Zend Guard Loader