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run code in 150+ php & hhvm versions
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<?php var_dump (range ('0', 'Z'));
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> int(0) }
Output for 4.3.0 - 4.4.9
array(43) { [0]=> string(1) "0" [1]=> string(1) "1" [2]=> string(1) "2" [3]=> string(1) "3" [4]=> string(1) "4" [5]=> string(1) "5" [6]=> string(1) "6" [7]=> string(1) "7" [8]=> string(1) "8" [9]=> string(1) "9" [10]=> string(1) ":" [11]=> string(1) ";" [12]=> string(1) "<" [13]=> string(1) "=" [14]=> string(1) ">" [15]=> string(1) "?" [16]=> string(1) "@" [17]=> string(1) "A" [18]=> string(1) "B" [19]=> string(1) "C" [20]=> string(1) "D" [21]=> string(1) "E" [22]=> string(1) "F" [23]=> string(1) "G" [24]=> string(1) "H" [25]=> string(1) "I" [26]=> string(1) "J" [27]=> string(1) "K" [28]=> string(1) "L" [29]=> string(1) "M" [30]=> string(1) "N" [31]=> string(1) "O" [32]=> string(1) "P" [33]=> string(1) "Q" [34]=> string(1) "R" [35]=> string(1) "S" [36]=> string(1) "T" [37]=> string(1) "U" [38]=> string(1) "V" [39]=> string(1) "W" [40]=> string(1) "X" [41]=> string(1) "Y" [42]=> string(1) "Z" }