Online PHP editor | output for 7Ioiv

Output for 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: number_format(): Argument #1 ($num) must be of type int|float, string given in /in/7Ioiv:5 Stack trace: #0 /in/7Ioiv(5): number_format('1900,55', 2, NULL, '') #1 {main} thrown in /in/7Ioiv on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18: Fatal error: Uncaught TypeError: number_format(): Argument #1 ($num) must be of type float, string given in /in/7Ioiv:5 Stack trace: #0 /in/7Ioiv(5): number_format('1900,55', 2, NULL, '') #1 {main} thrown in /in/7Ioiv on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33: Notice: A non well formed numeric value encountered in /in/7Ioiv on line 5 1900.00
Output for 4.3.0 - 4.3.6, 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 7.3.32 - 7.3.33: 1900.00
Output for 4.3.7 - 4.3.9, 5.0.0 - 5.0.2: 190000