Liste des extensions chargées : 
Array
(
    [0] => Core
    [1] => date
    [2] => libxml
    [3] => openssl
    [4] => pcre
    [5] => sqlite3
    [6] => zlib
    [7] => bcmath
    [8] => bz2
    [9] => calendar
    [10] => ctype
    [11] => curl
    [12] => dba
    [13] => dom
    [14] => hash
    [15] => FFI
    [16] => fileinfo
    [17] => filter
    [18] => ftp
    [19] => gd
    [20] => gettext
    [21] => gmp
    [22] => SPL
    [23] => iconv
    [24] => session
    [25] => standard
    [26] => intl
    [27] => json
    [28] => mbstring
    [29] => memcached
    [30] => mongodb
    [31] => mysqlnd
    [32] => PDO
    [33] => pdo_mysql
    [34] => pdo_pgsql
    [35] => pdo_sqlite
    [36] => pgsql
    [37] => Phar
    [38] => posix
    [39] => pspell
    [40] => redis
    [41] => Reflection
    [42] => imagick
    [43] => SimpleXML
    [44] => soap
    [45] => sockets
    [46] => sodium
    [47] => imap
    [48] => ssh2
    [49] => exif
    [50] => sysvmsg
    [51] => sysvsem
    [52] => sysvshm
    [53] => tokenizer
    [54] => xml
    [55] => xmlreader
    [56] => xmlrpc
    [57] => xmlwriter
    [58] => xsl
    [59] => zip
    [60] => mysqli
    [61] => cgi-fcgi
    [62] => ionCube Loader
    [63] => Zend OPcache
)
Liste des fonctions xml : 
Array
(
    [0] => xml_parser_create
    [1] => xml_parser_create_ns
    [2] => xml_set_object
    [3] => xml_set_element_handler
    [4] => xml_set_character_data_handler
    [5] => xml_set_processing_instruction_handler
    [6] => xml_set_default_handler
    [7] => xml_set_unparsed_entity_decl_handler
    [8] => xml_set_notation_decl_handler
    [9] => xml_set_external_entity_ref_handler
    [10] => xml_set_start_namespace_decl_handler
    [11] => xml_set_end_namespace_decl_handler
    [12] => xml_parse
    [13] => xml_parse_into_struct
    [14] => xml_get_error_code
    [15] => xml_error_string
    [16] => xml_get_current_line_number
    [17] => xml_get_current_column_number
    [18] => xml_get_current_byte_index
    [19] => xml_parser_free
    [20] => xml_parser_set_option
    [21] => xml_parser_get_option
)
Liste des fonctions gd : 
Array
(
    [0] => gd_info
    [1] => imagearc
    [2] => imageellipse
    [3] => imagechar
    [4] => imagecharup
    [5] => imagecolorat
    [6] => imagecolorallocate
    [7] => imagepalettecopy
    [8] => imagecreatefromstring
    [9] => imagecolorclosest
    [10] => imagecolorclosesthwb
    [11] => imagecolordeallocate
    [12] => imagecolorresolve
    [13] => imagecolorexact
    [14] => imagecolorset
    [15] => imagecolortransparent
    [16] => imagecolorstotal
    [17] => imagecolorsforindex
    [18] => imagecopy
    [19] => imagecopymerge
    [20] => imagecopymergegray
    [21] => imagecopyresized
    [22] => imagecreate
    [23] => imagecreatetruecolor
    [24] => imageistruecolor
    [25] => imagetruecolortopalette
    [26] => imagepalettetotruecolor
    [27] => imagesetthickness
    [28] => imagefilledarc
    [29] => imagefilledellipse
    [30] => imagealphablending
    [31] => imagesavealpha
    [32] => imagecolorallocatealpha
    [33] => imagecolorresolvealpha
    [34] => imagecolorclosestalpha
    [35] => imagecolorexactalpha
    [36] => imagecopyresampled
    [37] => imagerotate
    [38] => imageflip
    [39] => imageantialias
    [40] => imagecrop
    [41] => imagecropauto
    [42] => imagescale
    [43] => imageaffine
    [44] => imageaffinematrixconcat
    [45] => imageaffinematrixget
    [46] => imagesetinterpolation
    [47] => imagesettile
    [48] => imagesetbrush
    [49] => imagesetstyle
    [50] => imagecreatefrompng
    [51] => imagecreatefromwebp
    [52] => imagecreatefromgif
    [53] => imagecreatefromjpeg
    [54] => imagecreatefromwbmp
    [55] => imagecreatefromxbm
    [56] => imagecreatefromxpm
    [57] => imagecreatefromgd
    [58] => imagecreatefromgd2
    [59] => imagecreatefromgd2part
    [60] => imagecreatefrombmp
    [61] => imagecreatefromtga
    [62] => imagepng
    [63] => imagewebp
    [64] => imagegif
    [65] => imagejpeg
    [66] => imagewbmp
    [67] => imagegd
    [68] => imagegd2
    [69] => imagebmp
    [70] => imagedestroy
    [71] => imagegammacorrect
    [72] => imagefill
    [73] => imagefilledpolygon
    [74] => imagefilledrectangle
    [75] => imagefilltoborder
    [76] => imagefontwidth
    [77] => imagefontheight
    [78] => imageinterlace
    [79] => imageline
    [80] => imageloadfont
    [81] => imagepolygon
    [82] => imageopenpolygon
    [83] => imagerectangle
    [84] => imagesetpixel
    [85] => imagestring
    [86] => imagestringup
    [87] => imagesx
    [88] => imagesy
    [89] => imagesetclip
    [90] => imagegetclip
    [91] => imagedashedline
    [92] => imagettfbbox
    [93] => imagettftext
    [94] => imageftbbox
    [95] => imagefttext
    [96] => imagetypes
    [97] => jpeg2wbmp
    [98] => png2wbmp
    [99] => image2wbmp
    [100] => imagelayereffect
    [101] => imagexbm
    [102] => imagecolormatch
    [103] => imagefilter
    [104] => imageconvolution
    [105] => imageresolution
)
Liste des fonctions ctype : 
Array
(
    [0] => ctype_alnum
    [1] => ctype_alpha
    [2] => ctype_cntrl
    [3] => ctype_digit
    [4] => ctype_lower
    [5] => ctype_graph
    [6] => ctype_print
    [7] => ctype_punct
    [8] => ctype_space
    [9] => ctype_upper
    [10] => ctype_xdigit
)