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run code in 200+ php & hhvm versions
Bugs & Features
<?php $range = range(date("Y") - 20, date("Y")); var_dump(array_combine($range, $range));
based on WlLdT
Output for 5.0.0 - 7.2.0
array(21) { [1995]=> int(1995) [1996]=> int(1996) [1997]=> int(1997) [1998]=> int(1998) [1999]=> int(1999) [2000]=> int(2000) [2001]=> int(2001) [2002]=> int(2002) [2003]=> int(2003) [2004]=> int(2004) [2005]=> int(2005) [2006]=> int(2006) [2007]=> int(2007) [2008]=> int(2008) [2009]=> int(2009) [2010]=> int(2010) [2011]=> int(2011) [2012]=> int(2012) [2013]=> int(2013) [2014]=> int(2014) [2015]=> int(2015) }
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/cocP9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_combine() in /in/cocP9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/cocP9 on line 3