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run code in 150+ php & hhvm versions
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<?php echo preg_replace('/(*UCP)\b/', '<$0>', 'and рублей').PHP_EOL; echo preg_replace('/(*UTF8)\b/', '<$0>', 'and рублей').PHP_EOL; echo preg_replace('/\b/u', '<$0>', 'and рублей').PHP_EOL;
Output for 5.5.27 - 5.5.35, 5.6.11 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<>and<> <>�<>�<>�<>�<>�<>�<>�<>�<>ей<> <>and<> рублей <>and<> <>рублей<>
Output for 5.3.4 - 5.5.26, 5.6.7 - 5.6.10
<>and<> <>�<>�<>�<>�<>�<>�<>�<>�<>ей<> <>and<> рублей <>and<> <>�<>�ублей<>
Output for 5.2.10 - 5.3.3
Warning: preg_replace(): Compilation failed: (*VERB) not recognized at offset 5 in /in/ggk6F on line 2 <>and<> рублей <>and<> рублей
Output for 4.4.9, 5.2.5 - 5.2.9
Warning: preg_replace(): Compilation failed: (*VERB) not recognized at offset 5 in /in/ggk6F on line 2 Warning: preg_replace(): Compilation failed: (*VERB) not recognized at offset 5 in /in/ggk6F on line 3 <>and<> рублей
Output for 4.3.11 - 4.4.8, 5.0.2 - 5.2.4
Warning: preg_replace(): Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 2 Warning: preg_replace(): Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 3 <>and<> рублей
Output for 5.0.0 - 5.0.1
Warning: preg_replace(): Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 2 PHP_EOL Warning: preg_replace(): Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 3 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 4 <>and<> рублейPHP_EOL
Output for 4.3.10
Warning: Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 2 Warning: Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 3 <>and<> рублей
Output for 4.3.0 - 4.3.9
Warning: Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 2 PHP_EOL Warning: Compilation failed: nothing to repeat at offset 1 in /in/ggk6F on line 3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 3 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/ggk6F on line 4 <>and<> рублейPHP_EOL