3v4l.org

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<?php print 1+$x+$$x ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $x in /in/u340A on line 2 Warning: Undefined variable $x in /in/u340A on line 2 Warning: Undefined variable $ in /in/u340A on line 2 1
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: in /in/u340A on line 2 1
Output for 7.3.32 - 7.3.33
1
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: x in /in/u340A on line 3 Notice: Undefined variable: in /in/u340A on line 3 1
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: in /in/u340A on line 3 1
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: x in /in/u340A on line 2 Notice: Undefined variable: in /in/u340A on line 3 1

preferences:
297.37 ms | 402 KiB | 420 Q