3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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(" ","_",$co))."\""; // "1,000|one_thousand", } print_r(array_filter($cou, "filterarr"));
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
"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" Warning: array_filter() expects parameter 2 to be a valid callback, function 'filterarr' not found or invalid function name in /in/a1fSm on line 8
Output for hhvm-3.10.0 - 3.12.0
"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" Warning: array_filter() expects parameter 2 to be a valid callback in /in/a1fSm on line 8
Output for 4.3.2 - 5.2.17
"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" Warning: array_filter(): The second argument, 'filterarr', should be a valid callback in /in/a1fSm on line 8
Output for 4.3.0 - 4.3.1
"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" Warning: array_filter() [http://www.php.net/function.array-filter]: The second argument, 'filterarr', should be a valid callback in /in/a1fSm on line 8