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<?php $signed_number_strings = ["--1", "---33", "+-444"]; foreach ($signed_number_strings as $string) { var_dump((int)preg_replace('~\++|-\+*-~', '', $string)); }
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1) int(-33) int(-444)
preferences:
110.04 ms | 1372 KiB | 4 Q