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<?php function isCorrect($string) { $string{strlen($string)-1}; } $string = '()'; var_dump($string{strlen($string)-1}); //assert(isCorrect('') === true); //assert(isCorrect('()') === true); //assert(isCorrect('{()}') === true); //assert(isCorrect('{()}{}') === true); //assert(isCorrect('(())') === true); //assert(isCorrect('{({({({()})})})}') === true); //assert(isCorrect('{(})') === false);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/Ns8pB on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/Ns8pB on line 3 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/Ns8pB on line 6 string(1) ")"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
string(1) ")"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Ns8pB on line 13
Process exited with code 255.

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