Online PHP editor | output for QGMk1

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: Fatal error: Uncaught TypeError: join(): Argument #2 ($array) must be of type ?array, string given in /in/QGMk1:5 Stack trace: #0 /in/QGMk1(5): join(Array, ', ') #1 {main} thrown in /in/QGMk1 on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Deprecated: join(): Passing glue string after array is deprecated. Swap the parameters in /in/QGMk1 on line 5 |1, 2| body.menuitem-blblbl #subpage-menu { background: url(/images/subpage-menu-blblbl.png); } body.menuitem-blblbl #subpage-menu h3.module-title { background: url(blblbl.png); }
Output for 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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33: |1, 2| body.menuitem-blblbl #subpage-menu { background: url(/images/subpage-menu-blblbl.png); } body.menuitem-blblbl #subpage-menu h3.module-title { background: url(blblbl.png); }
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/QGMk1 on line 2
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/QGMk1 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/QGMk1 on line 2
Process exited with code 255.