3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $derp = "date"; echo $derp("YYYY-mm-dd"); ?>
based on WPs7b
Output for 4.3.1 - 5.4.34, 5.6.28, 7.0.14 - 7.1.0
2014201420142014-1010-2727
Output for 7.0.6
2016201620162016-0505-0303
Output for 7.0.5
2016201620162016-0404-0202
Output for 7.0.4
2016201620162016-0303-1010
Output for 7.0.3
2016201620162016-0303-1818
Output for 7.0.2
2016201620162016-0303-2121
Output for 7.0.1
2016201620162016-0303-2323
Output for 7.0.0
2016201620162016-0303-2626
Output for 5.6.21
2016201620162016-0505-0202
Output for 5.6.20
2016201620162016-0404-0909
Output for 5.6.19
2016201620162016-0303-0707
Output for 5.6.18
2016201620162016-0303-1414
Output for 5.6.17
2016201620162016-0303-1919
Output for 5.6.16
2016201620162016-0303-2727
Output for 5.6.15
2016201620162016-0303-2828
Output for 5.6.14
2016201620162016-0404-0101
Output for 5.6.13
2016201620162016-0404-1515
Output for 5.6.12
2016201620162016-0404-1919
Output for 5.6.11
2016201620162016-0404-2222
Output for 5.6.10
2016201620162016-0404-2525
Output for 5.6.9
2016201620162016-0404-2727
Output for 5.6.8
2016201620162016-0404-2929
Output for 5.6.7
2016201620162016-0505-2525
Output for 5.5.35
2016201620162016-0505-2222
Output for 5.5.34
2016201620162016-0404-1010
Output for 5.5.33
2016201620162016-0303-0808
Output for 5.5.32
2016201620162016-0303-1616
Output for 5.5.31
2016201620162016-0303-2020
Output for 5.5.30
2016201620162016-0303-3131
Output for 5.5.29
2016201620162016-0404-1616
Output for 5.5.28
2016201620162016-0404-2020
Output for 5.5.27
2016201620162016-0404-2121
Output for 5.5.26
2016201620162016-0404-2626
Output for 5.5.25
2016201620162016-0404-2828
Output for 5.5.24
2016201620162016-0505-2323
Output for 4.3.0, 5.4.43 - 5.4.45
2015201520152015-0909-0606
Output for 5.4.35 - 5.4.42
2015201520152015-0707-0909