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run code in 300+ PHP versions simultaneously
<?php $s = array("z","z","E","z","z","E","E","E","E","E"); $b = array("a","a","a","z","a","E","E","E","a","E"); foreach($s as $k => $v) { if($b[$k] === $s[$k]) { echo $k . ' is the index where keys and values exactly match with value as ' . $b[$k]; echo "\n"; } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
3 is the index where keys and values exactly match with value as z 5 is the index where keys and values exactly match with value as E 6 is the index where keys and values exactly match with value as E 7 is the index where keys and values exactly match with value as E 9 is the index where keys and values exactly match with value as E
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 3 is the index where keys and values exactly match with value as z 5 is the index where keys and values exactly match with value as E 6 is the index where keys and values exactly match with value as E 7 is the index where keys and values exactly match with value as E 9 is the index where keys and values exactly match with value as E

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