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run code in 500+ PHP versions simultaneously
<?php $array = [ 'a', 'b' ]; var_dump( array_key_exists(0, $array) );
Output for 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
bool(true)
preferences:
50.43 ms | 861 KiB | 4 Q