Online PHP editor | output for U2CeE

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/U2CeE on line 3
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/U2CeE on line 3 Parse error: syntax error, unexpected 'em' (T_STRING) in /in/U2CeE(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45: Parse error: syntax error, unexpected 'em' (T_STRING) in /in/U2CeE(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_STRING in /in/U2CeE(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_STRING in /in/U2CeE(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING in /in/U2CeE(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 4.3.5 - 4.3.10: Parse error: parse error, unexpected T_STRING in /in/U2CeE(3) : regexp code on line 1 Fatal error: Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 4.3.4: Parse error: parse error in /in/U2CeE(3) : regexp code on line 1 Fatal error: Failed evaluating code: 0em in /in/U2CeE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.3: Parse error: parse error in /in/U2CeE(3) : regexp code on line 1
Process exited with code 139.
Output for 4.3.0 - 4.3.1: Parse error: parse error, unexpected T_STRING in /in/U2CeE(3) : regexp code on line 1
Process exited with code 139.