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<?php function test( $param ) { if ( !isset( $param ) ) echo "not set"; } test();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function test(), 0 passed in /in/mYDhl on line 7 and exactly 1 expected in /in/mYDhl:2 Stack trace: #0 /in/mYDhl(7): test() #1 {main} thrown in /in/mYDhl on line 2
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 1 for test(), called in /in/mYDhl on line 7 and defined in /in/mYDhl on line 2 not set
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Warning: Missing argument 1 for test() in /in/mYDhl on line 2 not set

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