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<?php compare($x, $y); print_r($x, true); print_r($y, true); echo "\nAFTER\n"; compare($x, $y); function compare($x, $y) { echo 'x > y: '; var_dump($x > $y); echo 'x < y: '; var_dump($x < $y); echo 'x == y: '; var_dump($x == $y); echo 'x != y: '; var_dump($x != $y); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $x in /in/dVI6O on line 2 Warning: Undefined variable $y in /in/dVI6O on line 2 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false) Warning: Undefined variable $x in /in/dVI6O on line 3 Warning: Undefined variable $y in /in/dVI6O on line 4 AFTER Warning: Undefined variable $x in /in/dVI6O on line 6 Warning: Undefined variable $y in /in/dVI6O on line 6 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false)
Output for 5.0.4 - 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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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/dVI6O on line 2 Notice: Undefined variable: y in /in/dVI6O on line 2 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false) Notice: Undefined variable: x in /in/dVI6O on line 3 Notice: Undefined variable: y in /in/dVI6O on line 4 AFTER Notice: Undefined variable: x in /in/dVI6O on line 6 Notice: Undefined variable: y in /in/dVI6O on line 6 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false)
Output for 7.3.32 - 7.3.33
x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false) AFTER x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false)
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/dVI6O on line 2 Notice: Undefined variable: y in /in/dVI6O on line 2 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false) Notice: Undefined variable: x in /in/dVI6O on line 3 Notice: Undefined variable: y in /in/dVI6O on line 4 AFTER Notice: Undefined variable: x in /in/dVI6O on line 6 Notice: Undefined variable: y in /in/dVI6O on line 6 x > y: bool(false) x < y: bool(false) x == y: bool(true) x != y: bool(false)

preferences:
256.86 ms | 403 KiB | 327 Q