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<?php var_dump(preg_replace('/[^0-9]/', '', '123abc45');
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Parse error: syntax error, unexpected ';' in /in/6hsLp on line 3
Process exited with code 255.
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183.21 ms | 1395 KiB | 65 Q