3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(token_get_all('<?php echo $a ?? 3;'));
Output for 8.3.0, 8.3.2, 8.3.4
array(9) { [0]=> array(3) { [0]=> int(394) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(328) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(397) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(317) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(397) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(284) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(397) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(311) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.1, 8.3.3
array(9) { [0]=> array(3) { [0]=> int(389) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(291) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(392) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(266) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(392) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(400) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(392) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(260) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 8.0.30
array(9) { [0]=> array(3) { [0]=> int(387) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(291) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(390) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(266) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(390) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(398) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(390) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(260) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 8.0.0 - 8.0.29
array(9) { [0]=> array(3) { [0]=> int(390) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(326) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(393) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(315) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(393) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(284) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(393) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(309) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 7.4.0 - 7.4.33
array(9) { [0]=> array(3) { [0]=> int(382) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(324) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(385) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(312) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(385) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(283) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(385) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(309) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
array(9) { [0]=> array(3) { [0]=> int(379) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(328) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(382) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(320) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(382) [1]=> string(1) " " [2]=> int(1) } [5]=> array(3) { [0]=> int(282) [1]=> string(2) "??" [2]=> int(1) } [6]=> array(3) { [0]=> int(382) [1]=> string(1) " " [2]=> int(1) } [7]=> array(3) { [0]=> int(317) [1]=> string(1) "3" [2]=> int(1) } [8]=> string(1) ";" }
Output for 5.6.8 - 5.6.28
array(10) { [0]=> array(3) { [0]=> int(376) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(319) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(379) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(312) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(379) [1]=> string(1) " " [2]=> int(1) } [5]=> string(1) "?" [6]=> string(1) "?" [7]=> array(3) { [0]=> int(379) [1]=> string(1) " " [2]=> int(1) } [8]=> array(3) { [0]=> int(308) [1]=> string(1) "3" [2]=> int(1) } [9]=> string(1) ";" }
Output for 5.5.24 - 5.5.35
array(10) { [0]=> array(3) { [0]=> int(374) [1]=> string(6) "<?php " [2]=> int(1) } [1]=> array(3) { [0]=> int(317) [1]=> string(4) "echo" [2]=> int(1) } [2]=> array(3) { [0]=> int(377) [1]=> string(1) " " [2]=> int(1) } [3]=> array(3) { [0]=> int(310) [1]=> string(2) "$a" [2]=> int(1) } [4]=> array(3) { [0]=> int(377) [1]=> string(1) " " [2]=> int(1) } [5]=> string(1) "?" [6]=> string(1) "?" [7]=> array(3) { [0]=> int(377) [1]=> string(1) " " [2]=> int(1) } [8]=> array(3) { [0]=> int(306) [1]=> string(1) "3" [2]=> int(1) } [9]=> string(1) ";" }

preferences:
178.1 ms | 403 KiB | 210 Q