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run code in 150+ php & hhvm versions
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<?php $str_utf8 = 'Qwww11'; $str_cp1251 = iconv('UTF-8', 'Windows-1251', $str_utf8); var_dump(preg_match('#.#u', $str_utf8)); var_dump(preg_match('#.#u', $str_cp1251)); ?>
Output for 5.0.0 - 5.5.34, 5.6.28, 7.0.14 - 7.1.0
int(1) int(1)
Output for 7.0.0 - 7.0.11
Fatal error: Uncaught Error: Call to undefined function iconv() in /in/WWEXm:3 Stack trace: #0 {main} thrown in /in/WWEXm on line 3
Process exited with code 255.
Output for 5.5.35 - 5.6.26
Fatal error: Call to undefined function iconv() in /in/WWEXm on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: iconv() in /in/WWEXm on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: iconv() in /in/WWEXm on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: iconv() in /in/WWEXm on line 3