Online PHP editor | output for Q52RB

Output for 7.0.11 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.33, 8.4.1 - 8.4.26, 8.5.0: string(0) "" string(0) "" string(0) ""
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.1: string(0) "" bool(false) string(0) ""
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: iconv_substr() in /in/Q52RB on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: iconv_substr() in /in/Q52RB on line 3
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: iconv_substr() in /in/Q52RB on line 3
Process exited with code 255.
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.34, 5.6.0 - 5.6.40: bool(false) bool(false) string(0) ""
Output for 5.5.35 - 5.5.38: Fatal error: Call to undefined function iconv_substr() in /in/Q52RB on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13, 8.5.1 - 8.5.9: Fatal error: Uncaught Error: Call to undefined function iconv_substr() in /in/Q52RB:3 Stack trace: #0 {main} thrown in /in/Q52RB on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.10: bool(false) string(0) "" string(0) ""
Output for 5.0.0 - 5.0.5: Notice: iconv_substr(): Unknown error (0) in /in/Q52RB on line 3 bool(false) bool(false) string(0) ""