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<?php function wp_map_sidebars_widgets( $existing_sidebars_widgets ) { return $existing_sidebars_widgets; } $sidebars_widgets = array( 'sidebar-1' => array(), 'sidebar-2' => array(), 'sidebar-3' => null ); $sidebars_widgets = wp_map_sidebars_widgets( $sidebars_widgets ); // Find hidden/lost multi-widget instances. $shown_widgets = array_merge( ...array_values( $sidebars_widgets ) );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught TypeError: array_merge(): Argument #3 must be of type array, null given in /in/i45nZ:11 Stack trace: #0 /in/i45nZ(11): array_merge(Array, Array, NULL) #1 {main} thrown in /in/i45nZ on line 11
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge(): Expected parameter 3 to be an array, null given in /in/i45nZ on line 11
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Warning: array_merge(): Argument #3 is not an array in /in/i45nZ on line 11
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/i45nZ on line 11
Process exited with code 255.
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, 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/i45nZ on line 11
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 '.', expecting ')' in /in/i45nZ on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/i45nZ on line 11
Process exited with code 255.
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