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run code in 300+ PHP versions simultaneously
<?php $a = '123"'; var_dump(is_numeric('1'));
Output for 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
bool(true)
preferences:
41.47 ms | 406 KiB | 5 Q