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<?php $str = 'a\\\\,b,c\\,d'; $str2 = 'a\\\\,b,c\\,d'; print_r(preg_split('/(?<!(?<!\\\\)\\\\),/', $str)); print_r(preg_split('/(?<![^\\\\])(?<!\\\\),/', $str2));
Output for 4.4.5 - 4.4.9, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => a\\ [1] => b [2] => c\,d ) Array ( [0] => a\\,b,c\,d )
Output for 4.3.11, 4.4.0 - 4.4.4, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Array ( [0] => a\\ [1] => b [2] => c\,d ) Warning: preg_split(): Compilation failed: lookbehind assertion is not fixed length at offset 9 in /in/1fcGp on line 5
Output for 4.3.0 - 4.3.10
Array ( [0] => a\\ [1] => b [2] => c\,d ) Warning: Compilation failed: lookbehind assertion is not fixed length at offset 9 in /in/1fcGp on line 5
preferences:
273.12 ms | 401 KiB | 326 Q