3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cou = array("Afghanistan","Albania","Algeria","Andorra","Angola","Antigua & Deps","Argentina","Armenia","Australia","Austria","Azerbaijan","Bahamas","Bahrain","Bangladesh","Barbados","Belarus","Belgium","Belize","Benin","Bhutan","Bolivia","Bosnia Herzegovina","Botswana","Brazil","Brunei","Bulgaria","Burkina","Burundi","Cambodia","Cameroon","Canada","Cape Verde","Central African Rep","Chad","Chile","China","Colombia","Comoros","Congo","Congo {Democratic Rep}","Costa Rica","Croatia","Cuba","Cyprus","Czech Republic","Denmark","Djibouti","Dominica","Dominican Republic","East Timor","Ecuador","Egypt","El Salvador","Equatorial Guinea","Eritrea","Estonia","Ethiopia","Fiji","Finland","France","Gabon","Gambia","Georgia","Germany","Ghana","Greece","Grenada","Guatemala","Guinea","Guinea-Bissau","Guyana","Haiti","Honduras","Hungary","Iceland","India","Indonesia","Iran","Iraq","Ireland {Republic}","Israel","Italy","Ivory Coast","Jamaica","Japan","Jordan","Kazakhstan","Kenya","Kiribati","Korea North","Korea South","Kosovo","Kuwait","Kyrgyzstan","Laos","Latvia","Lebanon","Lesotho","Liberia","Libya","Liechtenstein","Lithuania","Luxembourg","Macedonia","Madagascar","Malawi","Malaysia","Maldives","Mali","Malta","Marshall Islands","Mauritania","Mauritius","Mexico","Micronesia","Moldova","Monaco","Mongolia","Montenegro","Morocco","Mozambique","Myanmar, {Burma}","Namibia","Nauru","Nepal","Netherlands","New Zealand","Nicaragua","Niger","Nigeria","Norway","Oman","Pakistan","Palau","Panama","Papua New Guinea","Paraguay","Peru","Philippines","Poland","Portugal","Qatar","Romania","Russian Federation","Rwanda","St Kitts & Nevis","St Lucia","Saint Vincent & the Grenadines","Samoa","San Marino","Sao Tome & Principe","Saudi Arabia","Senegal","Serbia","Seychelles","Sierra Leone","Singapore","Slovakia","Slovenia","Solomon Islands","Somalia","South Africa","South Sudan","Spain","Sri Lanka","Sudan","Suriname","Swaziland","Sweden","Switzerland","Syria","Taiwan","Tajikistan","Tanzania","Thailand","Togo","Tonga","Trinidad & Tobago","Tunisia","Turkey","Turkmenistan","Tuvalu","Uganda","Ukraine","United Arab Emirates","United Kingdom","United States","Uruguay","Uzbekistan","Vanuatu","Vatican City","Venezuela","Vietnam","Yemen","Zambia","Zimbabwe"); //print_r($cou); foreach ($cou as $co) { echo "\"".$co."|".strtolower(str_replace(" ","_",str_replace('&','',$co)))."\",\n"; // "1,000|one_thousand", } //print_r(array_filter($cou, "filterarr"));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
"Afghanistan|afghanistan", "Albania|albania", "Algeria|algeria", "Andorra|andorra", "Angola|angola", "Antigua & Deps|antigua__deps", "Argentina|argentina", "Armenia|armenia", "Australia|australia", "Austria|austria", "Azerbaijan|azerbaijan", "Bahamas|bahamas", "Bahrain|bahrain", "Bangladesh|bangladesh", "Barbados|barbados", "Belarus|belarus", "Belgium|belgium", "Belize|belize", "Benin|benin", "Bhutan|bhutan", "Bolivia|bolivia", "Bosnia Herzegovina|bosnia_herzegovina", "Botswana|botswana", "Brazil|brazil", "Brunei|brunei", "Bulgaria|bulgaria", "Burkina|burkina", "Burundi|burundi", "Cambodia|cambodia", "Cameroon|cameroon", "Canada|canada", "Cape Verde|cape_verde", "Central African Rep|central_african_rep", "Chad|chad", "Chile|chile", "China|china", "Colombia|colombia", "Comoros|comoros", "Congo|congo", "Congo {Democratic Rep}|congo_{democratic_rep}", "Costa Rica|costa_rica", "Croatia|croatia", "Cuba|cuba", "Cyprus|cyprus", "Czech Republic|czech_republic", "Denmark|denmark", "Djibouti|djibouti", "Dominica|dominica", "Dominican Republic|dominican_republic", "East Timor|east_timor", "Ecuador|ecuador", "Egypt|egypt", "El Salvador|el_salvador", "Equatorial Guinea|equatorial_guinea", "Eritrea|eritrea", "Estonia|estonia", "Ethiopia|ethiopia", "Fiji|fiji", "Finland|finland", "France|france", "Gabon|gabon", "Gambia|gambia", "Georgia|georgia", "Germany|germany", "Ghana|ghana", "Greece|greece", "Grenada|grenada", "Guatemala|guatemala", "Guinea|guinea", "Guinea-Bissau|guinea-bissau", "Guyana|guyana", "Haiti|haiti", "Honduras|honduras", "Hungary|hungary", "Iceland|iceland", "India|india", "Indonesia|indonesia", "Iran|iran", "Iraq|iraq", "Ireland {Republic}|ireland_{republic}", "Israel|israel", "Italy|italy", "Ivory Coast|ivory_coast", "Jamaica|jamaica", "Japan|japan", "Jordan|jordan", "Kazakhstan|kazakhstan", "Kenya|kenya", "Kiribati|kiribati", "Korea North|korea_north", "Korea South|korea_south", "Kosovo|kosovo", "Kuwait|kuwait", "Kyrgyzstan|kyrgyzstan", "Laos|laos", "Latvia|latvia", "Lebanon|lebanon", "Lesotho|lesotho", "Liberia|liberia", "Libya|libya", "Liechtenstein|liechtenstein", "Lithuania|lithuania", "Luxembourg|luxembourg", "Macedonia|macedonia", "Madagascar|madagascar", "Malawi|malawi", "Malaysia|malaysia", "Maldives|maldives", "Mali|mali", "Malta|malta", "Marshall Islands|marshall_islands", "Mauritania|mauritania", "Mauritius|mauritius", "Mexico|mexico", "Micronesia|micronesia", "Moldova|moldova", "Monaco|monaco", "Mongolia|mongolia", "Montenegro|montenegro", "Morocco|morocco", "Mozambique|mozambique", "Myanmar, {Burma}|myanmar,_{burma}", "Namibia|namibia", "Nauru|nauru", "Nepal|nepal", "Netherlands|netherlands", "New Zealand|new_zealand", "Nicaragua|nicaragua", "Niger|niger", "Nigeria|nigeria", "Norway|norway", "Oman|oman", "Pakistan|pakistan", "Palau|palau", "Panama|panama", "Papua New Guinea|papua_new_guinea", "Paraguay|paraguay", "Peru|peru", "Philippines|philippines", "Poland|poland", "Portugal|portugal", "Qatar|qatar", "Romania|romania", "Russian Federation|russian_federation", "Rwanda|rwanda", "St Kitts & Nevis|st_kitts__nevis", "St Lucia|st_lucia", "Saint Vincent & the Grenadines|saint_vincent__the_grenadines", "Samoa|samoa", "San Marino|san_marino", "Sao Tome & Principe|sao_tome__principe", "Saudi Arabia|saudi_arabia", "Senegal|senegal", "Serbia|serbia", "Seychelles|seychelles", "Sierra Leone|sierra_leone", "Singapore|singapore", "Slovakia|slovakia", "Slovenia|slovenia", "Solomon Islands|solomon_islands", "Somalia|somalia", "South Africa|south_africa", "South Sudan|south_sudan", "Spain|spain", "Sri Lanka|sri_lanka", "Sudan|sudan", "Suriname|suriname", "Swaziland|swaziland", "Sweden|sweden", "Switzerland|switzerland", "Syria|syria", "Taiwan|taiwan", "Tajikistan|tajikistan", "Tanzania|tanzania", "Thailand|thailand", "Togo|togo", "Tonga|tonga", "Trinidad & Tobago|trinidad__tobago", "Tunisia|tunisia", "Turkey|turkey", "Turkmenistan|turkmenistan", "Tuvalu|tuvalu", "Uganda|uganda", "Ukraine|ukraine", "United Arab Emirates|united_arab_emirates", "United Kingdom|united_kingdom", "United States|united_states", "Uruguay|uruguay", "Uzbekistan|uzbekistan", "Vanuatu|vanuatu", "Vatican City|vatican_city", "Venezuela|venezuela", "Vietnam|vietnam", "Yemen|yemen", "Zambia|zambia", "Zimbabwe|zimbabwe",
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ltWnU on line 10
Process exited with code 255.

preferences:
201.22 ms | 401 KiB | 329 Q