3v4l.org

run code in 300+ PHP versions simultaneously
<?php // What happens when JSON string was stored in the option? $export_data = array(); $accumulated_data = 'not an array'; // get_post_meta( $request_id, '_export_data_raw', true ); if ( $accumulated_data ) { $export_data = $accumulated_data; } $export_data = array_merge( $export_data, array( 'test' => 'data' ) );
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 #1 must be of type array, string given in /in/3EbKY:10 Stack trace: #0 /in/3EbKY(10): array_merge('not an array', Array) #1 {main} thrown in /in/3EbKY on line 10
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge(): Expected parameter 1 to be an array, string given in /in/3EbKY on line 10
Output for 7.2.0 - 7.2.34
Warning: array_merge(): Argument #1 is not an array in /in/3EbKY on line 10
preferences:
103.74 ms | 1528 KiB | 4 Q