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<?php var_dump(sprintf('%d.%d.%s-%d.%d.%d','11111','01','01','1d','','')); $a = '11111';//переполнение $b = '01'; //спереди 0 $c = '1d'; //лишние символы $d = ''; //недостаточно символов $e = 'df'; //неподходящие символы $r = array('/.*(\d{1,4}).*/','/.*(\d{1,2}).*/','/(\d?)/'); echo preg_replace($r[0], '$0', $a).PHP_EOL; echo preg_replace($r[1], '$0', $b).PHP_EOL; echo preg_replace($r[1], '$0', $c).PHP_EOL; echo preg_replace($r[2], '$0', $d).PHP_EOL; echo preg_replace($r[1], '$0', $e).PHP_EOL;
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
string(16) "11111.1.01-1.0.0" 11111 01 1d df
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
string(16) "11111.1.01-1.0.0" Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Nc5E on line 9 11111PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Nc5E on line 10 01PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Nc5E on line 11 1dPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Nc5E on line 12 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Nc5E on line 13 dfPHP_EOL