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run code in 150+ php & hhvm versions
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<?php setlocale(LC_ALL, 'ru_RU.cp1251'); echo preg_replace ('/\PL/i', '_', 'ёйцукенгшщзхъфывапролджэячсмитьбю'); echo preg_last_error();
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
�_�_�_�_ке�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_0
Output for 5.0.5 - 5.1.6
�_�_�_�_ке�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_ Fatal error: Call to undefined function preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 1 in /in/sKIeE on line 3 Fatal error: Call to undefined function preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
�_�_�_�_ке�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_ Fatal error: Call to undefined function: preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 4.4.0 - 4.4.4
�_�_�_�_ке�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_�_ Fatal error: Call to undefined function: preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 4.3.11
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 1 in /in/sKIeE on line 3 Fatal error: Call to undefined function: preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 1 in /in/sKIeE on line 3 Fatal error: Call to undefined function: preg_last_error() in /in/sKIeE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 1 in /in/sKIeE on line 3 Fatal error: Call to undefined function: preg_last_error() in /in/sKIeE on line 4