Supporting special characters with str_word_count()

Question

The str_word_count() function returns an array that holds all words in a string. It works great, except when using special characters. In this case, the php script receives the

Answer 1

All possible combinations:

$diacritics = 'aàȁáâǎãāăȃȧäåẚảạḁąᶏậặầằắấǻẫẵǡǟẩẳⱥæǽǣᴂꬱꜳꜵꜷꜹꜻꜽɐɑꭤᶐꬰɒͣᵃªᵄᵆᵅᶛᴬᴭᴀᴁₐbḃƅƀᵬɓƃḅḇᶀꞗȸßẞꞵꞛꞝᵇᵝᴮᴯʙᴃᵦcćĉčċƈçḉɕꞔꞓȼ¢ʗᴐᴒɔꜿᶗꝢꝣ©ͨᶜᶝᵓᴄdďḋᵭðđɗᶑḓḍḏḑᶁɖȡꝱdzʣdžʤʥȸDzDžꝺẟƍƌͩᵈᶞᵟᴰᴅᴆeèȅéēêěȇĕẽėëẻḙḛẹȩęᶒⱸệḝềḕếḗễểɇəǝɘɚᶕꬲꬳꬴᴔꭁꭂ•ꜫɛᶓȝꜣꝫɜᴈᶔɝɞƩͤᵉᵊᵋᵌᶟᴱᴲᴇⱻₑₔfẜẝƒꬵḟẛᶂᵮꞙꝭꝼʩꟻfffiflffifflᶠꜰgǵḡĝǧğġģǥꬶᵷɡᶃɠꞡᵍᶢᴳɢʛhħĥȟḣḧɦɧḫḥẖḩⱨꜧꞕƕɥʮʯͪʰʱꭜᶣᵸꟸᴴʜₕiìȉíīĩîǐȋĭïỉɨḭịįᶖḯıɩɪꭠꭡᴉᵻᵼijỻİꟾꟷͥⁱᶤᶦᵎᶧᶥᴵᵢjȷĵǰɉɟʝijʲᶡᶨᴶᴊⱼkḱǩꝁꝃꝅƙḳḵⱪķᶄꞣʞĸᵏᴷᴋₖlĺľŀłꝉƚⱡɫꬷꬸɬꬹḽḷḻļɭȴᶅꝲḹꞎꝇꞁỻLjljʪʫɮˡᶩᶪꭝꭞᶫᴸʟᴌₗmḿṁᵯṃɱᶆꝳꬺꭑᴟɯɰꟺꟿꟽͫᵐᶬᶭᴹᴍₘnǹńñňʼnṅᵰṇṉṋņŋɳɲƞꬻꬼȵᶇꝴꞃꞑꞥᴝᴞNjnjⁿᵑᶯᶮᶰᴺᴻɴᴎₙoᴏᴑòȍóǿőōõôȏǒŏȯöỏơꝍọǫⱺꝋɵøᴓǭộợồṑờốṍṓớỗỡṏȭȱȫổởœɶƣɸƍꝏʘꬽꬾꬿꭀꭁꭂꭃꭄꭢꭣ∅ͦᵒᶱºꟹᶲᴼᴽₒpṕṗꝕꝓᵽᵱᶈꝑþꝥꝧƥƪƿȹꟼᵖᴾᴘᴩᵨₚqʠɋꝙꝗȹꞯʘθᶿrŕȑřȓṙɍᵲꝵꞧṛŗṟᶉꞅɼɽṝɾᵳᴦɿſⱹɹɺɻ®ꝶꭇꭈꭉꭊꭋꭌͬʳʶʴʵᴿʀʁᴙᴚꭆᵣsśŝšṡᵴꞩṣşșȿʂᶊṩṥṧƨʃʄʆᶋᶘꭍʅƪſtstˢᶳᶴꜱₛtťṫẗƭⱦᵵŧꝷṱṯṭţƫʈțȶʇꞇꜩʦʧʨᵺͭᵗᶵᵀᴛₜuùȕúűūũûǔȗŭüůủưꭒʉꞹṷṵụṳųᶙɥựǜừṹǘứǚữṻǖửʊᵫᵿꭎꭏꭐꭑͧᵘᶶᶷᵙᶸꭟᵁᴜᵾᵤvṽⱱⱴꝟṿᶌʋʌͮᵛⱽᶹᶺᴠᵥwẁẃŵẇẅẘⱳẉꝡɯɰꟽꟿʍʬꞶꞷʷᵚᶭᵂᴡxẋẍᶍ×ꭓꭔꭕꭖꭗꭘꭙˣ˟ᵡₓᵪyỳýȳỹŷẏÿẙỷƴɏꭚỵỿɣɤꝩʎƛ¥ʸˠᵞʏᵧzźẑžżƶᵶẓẕʐᶎʑȥⱬɀʒǯʓƺᶚƹꝣᵹᶻᶼᶽᶾᴢᴣ';
str_word_count($string, 1, $diacritics);