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<?php $form = ['foo'=>'bar']; echo "baz:${foo[bar]}";
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/dJu0p on line 6 Fatal error: Uncaught Error: Undefined constant "bar" in /in/dJu0p:6 Stack trace: #0 {main} thrown in /in/dJu0p on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Undefined constant "bar" in /in/dJu0p:6 Stack trace: #0 {main} thrown in /in/dJu0p on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Warning: Use of undefined constant bar - assumed 'bar' (this will throw an Error in a future version of PHP) in /in/dJu0p on line 6 Notice: Undefined variable: foo in /in/dJu0p on line 6 Notice: Trying to access array offset on value of type null in /in/dJu0p on line 6 baz:
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Use of undefined constant bar - assumed 'bar' (this will throw an Error in a future version of PHP) in /in/dJu0p on line 6 baz:
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31
Warning: Use of undefined constant bar - assumed 'bar' (this will throw an Error in a future version of PHP) in /in/dJu0p on line 6 Notice: Undefined variable: foo in /in/dJu0p on line 6 baz:
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant bar - assumed 'bar' in /in/dJu0p on line 6 Notice: Undefined variable: foo in /in/dJu0p on line 6 baz:
Output for 5.4.0 - 5.4.45
baz:
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/dJu0p on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/dJu0p</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/dJu0p</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/dJu0p</b> on line <b>4</b><br />
Process exited with code 255.

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