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run code in 150+ php & hhvm versions
Bugs & Features
<?php function generatePrimesA($n) { $primes = [2]; for ($i = 3; $i < $n; $i += 2) { foreach ($primes as $prime) { if ($i % $prime == 0) { continue 2; } } $primes[] = $i; } return $primes; } function generatePrimesB($n) { $primes = [2]; for ($i = 3; $i < $n; $i += 2) { foreach ($primes as $prime) { if ($i % $prime == 0) { continue 2; } } $primes[] = $i; } return $primes; } var_dump(array_diff(generatePrimesA(1000), generatePrimesB(1000)));
Output for 5.4.0 - 7.1.0
array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Ftv2p on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Ftv2p on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Ftv2p on line 4
Process exited with code 255.