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run code in 150+ php & hhvm versions
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<?php $data = '$SERVER["REMOTE_ADDR"] = "127.0.0.1;'; $trigger = ".*)/e\0"; // function to emphasize the searched word in the results preg_replace( "/($trigger)/i", '"<em>" . strtoupper($1) . "</em>"', $data ); var_dump($SERVER["REMOTE_ADDR"]);
Output for 5.4.7 - 7.1.0
Warning: preg_replace(): Null byte in regex in /in/oXcjT on line 7 Notice: Undefined variable: SERVER in /in/oXcjT on line 9 NULL
Output for 5.4.0 - 5.4.6
Parse error: syntax error, unexpected '"REMOTE_ADDR\"] = \"127.0.0.1;' (T_CONSTANT_ENCAPSED_STRING), expecting identifier (T_STRING) in /in/oXcjT(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting T_STRING in /in/oXcjT(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: syntax error, unexpected '/' in /in/oXcjT(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 4.3.11 - 4.4.1, 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: parse error, unexpected '/' in /in/oXcjT(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: syntax error, unexpected '/' in /in/oXcjT(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 4.3.5 - 4.3.10
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: parse error, unexpected '/' in /in/oXcjT(7) : regexp code on line 1 Fatal error: Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: parse error in /in/oXcjT(7) : regexp code on line 1 Fatal error: Failed evaluating code: "<em>" . strtoupper($SERVER[\"REMOTE_ADDR\"] = \"127.0.0.1;) . "</em>" in /in/oXcjT on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.3
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/oXcjT(7) : regexp code on line 1 Parse error: parse error in /in/oXcjT(7) : 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/oXcjT(7) : regexp code on line 1 Parse error: parse error, unexpected '/' in /in/oXcjT(7) : regexp code on line 1
Process exited with code 139.