3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strtotime("January") . " "; echo strtotime("February") . " "; echo strtotime("March") . " "; echo strtotime("April") . " "; echo strtotime("May") . " "; echo strtotime("June") . " "; echo strtotime("July") . " "; echo strtotime("August") . " "; echo strtotime("September") . " "; echo strtotime("October") . " "; echo strtotime("November") . " "; echo strtotime("December") . " ";
Output for 5.2.0 - 5.3.28, 5.4.0 - 5.4.24, 5.6.28, 7.0.14 - 7.1.0
1388530800 1391209200 1393628400 1396303200 1398895200 1401573600 1404165600 1406844000 1409522400 1412114400 1414796400 1417388400
Output for 7.0.5 - 7.0.6
1451775600 1454454000 1456959600 1459634400 1462226400 1464904800 1467496800 1470175200 1472853600 1475445600 1478127600 1480719600
Output for 5.6.20, 7.0.4
1452380400 1455058800 1457564400 1460239200 1462831200 1465509600 1468101600 1470780000 1473458400 1476050400 1478732400 1481324400
Output for 7.0.3
1453071600 1455750000 1458255600 1460930400 1463522400 1466200800 1468792800 1471471200 1474149600 1476741600 1479423600 1482015600
Output for 5.5.27, 5.5.35, 7.0.2
1453417200 1456095600 1458601200 1461276000 1463868000 1466546400 1469138400 1471816800 1474495200 1477087200 1479769200 1482361200
Output for 5.5.24, 7.0.1
1453590000 1456268400 1458774000 1461448800 1464040800 1466719200 1469311200 1471989600 1474668000 1477260000 1479942000 1482534000
Output for 5.6.9, 7.0.0
1453849200 1456527600 1459033200 1461708000 1464300000 1466978400 1469570400 1472248800 1474927200 1477519200 1480201200 1482793200
Output for hhvm-3.12.0
1454194800 1456873200 1459375200 1462053600 1464645600 1467324000 1469916000 1472594400 1475272800 1477868400 1480546800 1483138800
Output for 5.6.8, hhvm-3.10.0
1454108400 1456786800 1459288800 1461967200 1464559200 1467237600 1469829600 1472508000 1475186400 1477778400 1480460400 1483052400
Output for 5.6.14, 5.6.21
1451689200 1454367600 1456873200 1459548000 1462140000 1464818400 1467410400 1470088800 1472767200 1475359200 1478041200 1480633200
Output for 5.6.19
1452121200 1454799600 1457305200 1459980000 1462572000 1465250400 1467842400 1470520800 1473199200 1475791200 1478473200 1481065200
Output for 5.6.13, 5.6.18
1452812400 1455490800 1457996400 1460671200 1463263200 1465941600 1468533600 1471212000 1473890400 1476482400 1479164400 1481756400
Output for 5.6.17
1453158000 1455836400 1458342000 1461016800 1463608800 1466287200 1468879200 1471557600 1474236000 1476828000 1479510000 1482102000
Output for 5.5.25, 5.6.16
1453935600 1456614000 1459116000 1461794400 1464386400 1467064800 1469656800 1472335200 1475013600 1477605600 1480287600 1482879600
Output for 5.6.15
1454022000 1456700400 1459202400 1461880800 1464472800 1467151200 1469743200 1472421600 1475100000 1477692000 1480374000 1482966000
Output for 5.5.31, 5.6.12
1453244400 1455922800 1458428400 1461103200 1463695200 1466373600 1468965600 1471644000 1474322400 1476914400 1479596400 1482188400
Output for 5.6.11
1453503600 1456182000 1458687600 1461362400 1463954400 1466632800 1469224800 1471903200 1474581600 1477173600 1479855600 1482447600
Output for 5.6.10
1453676400 1456354800 1458860400 1461535200 1464127200 1466805600 1469397600 1472076000 1474754400 1477346400 1480028400 1482620400
Output for 5.5.34
1452466800 1455145200 1457650800 1460325600 1462917600 1465596000 1468188000 1470866400 1473544800 1476136800 1478818800 1481410800
Output for 5.5.33
1452294000 1454972400 1457478000 1460152800 1462744800 1465423200 1468015200 1470693600 1473372000 1475964000 1478646000 1481238000
Output for 5.5.29, 5.5.32
1452985200 1455663600 1458169200 1460844000 1463436000 1466114400 1468706400 1471384800 1474063200 1476655200 1479337200 1481929200
Output for 5.5.30
1451602800 1454281200 1456786800 1459461600 1462053600 1464732000 1467324000 1470002400 1472680800 1475272800 1477954800 1480546800
Output for 5.5.28
1453330800 1456009200 1458514800 1461189600 1463781600 1466460000 1469052000 1471730400 1474408800 1477000800 1479682800 1482274800
Output for 5.5.26
1453762800 1456441200 1458946800 1461621600 1464213600 1466892000 1469484000 1472162400 1474840800 1477432800 1480114800 1482706800
Output for 5.4.45
1420758000 1423436400 1425855600 1428530400 1431122400 1433800800 1436392800 1439071200 1441749600 1444341600 1447023600 1449615600
Output for 5.4.44
1422313200 1424991600 1427410800 1430085600 1432677600 1435356000 1437948000 1440626400 1443304800 1445900400 1448578800 1451170800
Output for 5.4.43
1420930800 1423609200 1426028400 1428703200 1431295200 1433973600 1436565600 1439244000 1441922400 1444514400 1447196400 1449788400
Output for 5.4.42
1422486000 1425164400 1427583600 1430258400 1432850400 1435528800 1438120800 1440799200 1443477600 1446073200 1448751600 1451343600
Output for 5.4.38 - 5.4.41
1420844400 1423522800 1425942000 1428616800 1431208800 1433887200 1436479200 1439157600 1441836000 1444428000 1447110000 1449702000
Output for 5.4.36 - 5.4.37
1420671600 1423350000 1425769200 1428444000 1431036000 1433714400 1436306400 1438984800 1441663200 1444255200 1446937200 1449529200
Output for 5.4.34 - 5.4.35
1388790000 1391468400 1393887600 1396562400 1399154400 1401832800 1404424800 1407103200 1409781600 1412373600 1415055600 1417647600
Output for 5.3.29, 5.4.25 - 5.4.32
1388876400 1391554800 1393974000 1396648800 1399240800 1401919200 1404511200 1407189600 1409868000 1412460000 1415142000 1417734000
Output for 5.1.0 - 5.1.6
Output for 4.3.0 - 5.0.5
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1