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run code in 300+ PHP versions simultaneously
<?php $nbsp = "\u{00A0}"; var_export(mb_strlen(trim($nbsp)));
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
1
preferences:
57.31 ms | 406 KiB | 5 Q