Online PHP editor | output for Ld0Wm

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: Warning: A non-numeric value encountered in /in/Ld0Wm on line 2 Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/Ld0Wm:2 Stack trace: #0 {main} thrown in /in/Ld0Wm on line 2
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33: Notice: A non well formed numeric value encountered in /in/Ld0Wm on line 2 Warning: A non-numeric value encountered in /in/Ld0Wm on line 2 Warning: A non-numeric value encountered in /in/Ld0Wm on line 2 3086bc28a0eb5d3dda57ce797717c5cde8cb3b66c0be347af8b0d3a250e7b7b8 Notice: A non well formed numeric value encountered in /in/Ld0Wm on line 3 Warning: A non-numeric value encountered in /in/Ld0Wm on line 3 Warning: A non-numeric value encountered in /in/Ld0Wm on line 3 ca19a255daad4239c1dd219113d342d0005bdcc5627340787cd4f978c28f521402f371b58e3946b08ea3f4d6867dc0a75c15cd22c5a112617e8380b1e72b1b12
Output for 7.3.32 - 7.3.33: Warning: A non-numeric value encountered in /in/Ld0Wm on line 2 Warning: A non-numeric value encountered in /in/Ld0Wm on line 2 3086bc28a0eb5d3dda57ce797717c5cde8cb3b66c0be347af8b0d3a250e7b7b8 Warning: A non-numeric value encountered in /in/Ld0Wm on line 3 Warning: A non-numeric value encountered in /in/Ld0Wm on line 3 ca19a255daad4239c1dd219113d342d0005bdcc5627340787cd4f978c28f521402f371b58e3946b08ea3f4d6867dc0a75c15cd22c5a112617e8380b1e72b1b12
Output for 5.4.2 - 5.4.35, 5.4.37 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20: 3086bc28a0eb5d3dda57ce797717c5cde8cb3b66c0be347af8b0d3a250e7b7b8ca19a255daad4239c1dd219113d342d0005bdcc5627340787cd4f978c28f521402f371b58e3946b08ea3f4d6867dc0a75c15cd22c5a112617e8380b1e72b1b12
Output for 5.4.36: Process exited with code 137.