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run code in 300+ PHP versions simultaneously
<?php $string = "hello\0world"; echo 'Input:', var_dump($string); parse_str($string, $values); echo "Output:\n"; $count = 0; foreach($values as $key => $value) { echo var_export(++$count), ': ', var_dump($key), ' => ', var_dump($value), "\n"; } printf("done, %d variable(s)\n", $count);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Input:string(11) "helloworld" Output: 1: string(5) "hello" => string(0) "" done, 1 variable(s)

preferences:
243.06 ms | 406 KiB | 391 Q