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<?php var_dump (preg_split ('~|й~u', 'п', 'р'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: preg_split(): Argument #3 ($limit) must be of type int, string given in /in/cfs3i:2 Stack trace: #0 /in/cfs3i(2): preg_split('~|\xD0\xB9~u', '\xD0\xBF', '\xD1\x80') #1 {main} thrown in /in/cfs3i on line 2
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_split() expects parameter 3 to be int, string given in /in/cfs3i on line 2 bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: preg_split() expects parameter 3 to be integer, string given in /in/cfs3i on line 2 bool(false)
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: preg_split() expects parameter 3 to be long, string given in /in/cfs3i on line 2 bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
array(3) { [0]=> string(0) "" [1]=> string(2) "п" [2]=> string(0) "" }
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9
array(2) { [0]=> string(0) "" [1]=> string(2) "п" }
Output for 4.3.0 - 4.3.4
array(4) { [0]=> string(0) "" [1]=> string(1) "�" [2]=> string(1) "�" [3]=> string(0) "" }

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