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<?php $tests = [ '[] == false' => [] == false, '[0] == true' => [0] == true, '"" == false' => '' == false, '"ABC" == false' => 'ABC' == false, '"0" == false' => '0' == false, '"1" == true' => '1' == true, '"123" == false' => '123' == true, 'null == false' => null == false, '0 == false' => 0 == false, '0.49 == false' => 0.49 == false ]; $i = 0; foreach($test as $name => $val) { echo ++$i . ') ' . $name . ' => ' . ($val ? 'T' : 'F') . "\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined variable $test in /in/ADCMq on line 17 Warning: foreach() argument must be of type array|object, null given in /in/ADCMq on line 17
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: test in /in/ADCMq on line 17 Warning: Invalid argument supplied for foreach() in /in/ADCMq on line 17
Output for 7.3.32 - 7.3.33
Warning: Invalid argument supplied for foreach() in /in/ADCMq on line 17
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ADCMq on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/ADCMq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ADCMq on line 3
Process exited with code 255.
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228.78 ms | 401 KiB | 357 Q