3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump (range (' ', '2'));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 8.3.0 - 8.3.6
array(19) { [0]=> string(1) " " [1]=> string(1) "!" [2]=> string(1) """ [3]=> string(1) "#" [4]=> string(1) "$" [5]=> string(1) "%" [6]=> string(1) "&" [7]=> string(1) "'" [8]=> string(1) "(" [9]=> string(1) ")" [10]=> string(1) "*" [11]=> string(1) "+" [12]=> string(1) "," [13]=> string(1) "-" [14]=> string(1) "." [15]=> string(1) "/" [16]=> string(1) "0" [17]=> string(1) "1" [18]=> string(1) "2" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
array(3) { [0]=> int(0) [1]=> int(1) [2]=> int(2) }

preferences:
216.34 ms | 405 KiB | 314 Q