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<?php var_dump(PREG_SPLIT_NO_EMPTY); var_dump( preg_split( '/[^a-z]+/i', 'Class::function', PREG_SPLIT_NO_EMPTY)); var_dump( preg_replace( '/[^a-z]+/i', '_', 'Class::function'));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
int(1) array(1) { [0]=> string(15) "Class::function" } string(14) "Class_function"
preferences:
304.66 ms | 404 KiB | 376 Q