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<?php $constant = 'STDIN'; var_dump(constant($constant)); fclose($constant); var_dump(constant($constant));
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
resource(1) of type (stream) Fatal error: Uncaught TypeError: fclose(): Argument #1 ($stream) must be of type resource, string given in /in/QAI0q:4 Stack trace: #0 /in/QAI0q(4): fclose('STDIN') #1 {main} thrown in /in/QAI0q on line 4
Process exited with code 255.
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
resource(1) of type (stream) Warning: fclose() expects parameter 1 to be resource, string given in /in/QAI0q on line 4 resource(1) of type (stream)
Output for 5.2.3 - 5.2.17
resource(1) of type (stream) Warning: fclose(): supplied argument is not a valid stream resource in /in/QAI0q on line 4 resource(1) of type (stream)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Warning: constant(): Couldn't find constant STDIN in /in/QAI0q on line 3 NULL Warning: fclose(): supplied argument is not a valid stream resource in /in/QAI0q on line 4 Warning: constant(): Couldn't find constant STDIN in /in/QAI0q on line 5 NULL
Output for 4.3.0 - 4.3.1
Warning: constant() [http://www.php.net/function.constant]: Couldn't find constant STDIN in /in/QAI0q on line 3 NULL Warning: fclose(): supplied argument is not a valid stream resource in /in/QAI0q on line 4 Warning: constant() [http://www.php.net/function.constant]: Couldn't find constant STDIN in /in/QAI0q on line 5 NULL

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