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<?php $payload = 'echo "foo";'; var_dump(\preg_replace("<[JQ4Go]>ei", $payload, "eC1tb3o="));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/vB3RO on line 5 NULL
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/vB3RO on line 5 Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: syntax error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: parse error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: syntax error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 4.3.5 - 4.3.10
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: parse error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1 Fatal error: Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: parse error in /in/vB3RO(5) : regexp code on line 1 Fatal error: Failed evaluating code: echo "foo"; in /in/vB3RO on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.3
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: parse error in /in/vB3RO(5) : regexp code on line 1
Process exited with code 139.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/vB3RO on line 5 Parse error: parse error, unexpected T_ECHO in /in/vB3RO(5) : regexp code on line 1
Process exited with code 139.

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