3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($input) { $foo = range ('A', 'D'); var_dump($foo[(0.999 - $input)*10]); } test(0.7); test(1); test(0.6); test(0.5); test(2);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Implicit conversion from float 2.99 to int loses precision in /in/fFgUW on line 5 string(1) "C" Deprecated: Implicit conversion from float -0.010000000000000009 to int loses precision in /in/fFgUW on line 5 string(1) "A" Deprecated: Implicit conversion from float 3.99 to int loses precision in /in/fFgUW on line 5 string(1) "D" Deprecated: Implicit conversion from float 4.99 to int loses precision in /in/fFgUW on line 5 Warning: Undefined array key 4 in /in/fFgUW on line 5 NULL Deprecated: Implicit conversion from float -10.009999999999998 to int loses precision in /in/fFgUW on line 5 Warning: Undefined array key -10 in /in/fFgUW on line 5 NULL
Output for 8.0.0 - 8.0.30
string(1) "C" string(1) "A" string(1) "D" Warning: Undefined array key 4 in /in/fFgUW on line 5 NULL Warning: Undefined array key -10 in /in/fFgUW on line 5 NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
string(1) "C" string(1) "A" string(1) "D" Notice: Undefined offset: 4 in /in/fFgUW on line 5 NULL Notice: Undefined offset: -10 in /in/fFgUW on line 5 NULL
Output for 7.3.32 - 7.3.33
string(1) "C" string(1) "A" string(1) "D" NULL NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
string(1) "C" string(1) "A" string(1) "D" Notice: Undefined offset: 4 in /in/fFgUW on line 5 NULL Notice: Undefined offset: -10 in /in/fFgUW on line 5 NULL

preferences:
285.05 ms | 403 KiB | 459 Q