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<?php $msg = preg_replace(array('/\v+/', '/\x{E282AC}/u'), array(' ', 'e'), "tässä on 100€ kalaa\nrivivaihto"); var_dump($msg); exit(0);
Output for 5.4.41 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Compilation failed: character value in \x{} or \o{} is too large at offset 9 in /in/F0c0H on line 3 NULL
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: character value in \x{} or \o{} is too large at offset 9 in /in/F0c0H on line 3 NULL
Output for 5.3.19 - 5.3.29, 5.4.9 - 5.4.40
Warning: preg_replace(): Compilation failed: character value in \x{...} sequence is too large at offset 9 in /in/F0c0H on line 3 NULL
Output for 4.4.9, 5.2.4 - 5.3.18, 5.4.0 - 5.4.8
string(34) "tässä on 100€ kalaa rivivaihto"
Output for 4.3.0 - 4.4.8, 5.0.0 - 5.2.3
string(34) "tässä on 100€ kalaa ri i aihto"