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<?php $text = "[spoiler]Test\ntesting[/spoiler]."; $text = preg_replace_callback("/\[(.*?)\]/", function($match){ echo "test"; $lines = explode("\n", str_rot13(substr($match[0]))); $output = ""; foreach ($lines as $line) { $output .= "[spoiler]".$line."[/spoiler]"; } return $output; }, $text ); echo $text; ?>
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
test Fatal error: Uncaught ArgumentCountError: substr() expects at least 2 arguments, 1 given in /in/X9293:8 Stack trace: #0 /in/X9293(8): substr('[spoiler]') #1 [internal function]: {closure}(Array) #2 /in/X9293(5): preg_replace_callback('/\\[(.*?)\\]/', Object(Closure), '[spoiler]Test\nt...') #3 {main} thrown in /in/X9293 on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
test Fatal error: Uncaught ArgumentCountError: substr() expects at least 2 arguments, 1 given in /in/X9293:8 Stack trace: #0 /in/X9293(8): substr('[spoiler]') #1 [internal function]: {closure}(Array) #2 /in/X9293(15): preg_replace_callback('/\\[(.*?)\\]/', Object(Closure), '[spoiler]Test\nt...') #3 {main} thrown in /in/X9293 on line 8
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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
test Warning: substr() expects at least 2 parameters, 1 given in /in/X9293 on line 8 test Warning: substr() expects at least 2 parameters, 1 given in /in/X9293 on line 8 [spoiler][/spoiler]Test testing[spoiler][/spoiler].
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/X9293 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/X9293 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/X9293 on line 6
Process exited with code 255.
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