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<?php function generateNumbers() { $numbers = []; while ( count($numbers) < 2 ) { $number = rand(1,5); if ( !in_array($number, $numbers) ) { $numbers[] = $number; } } sort($numbers); return $numbers; } $numbers = generateNumbers(); $new = generateNumbers(); $allNewNumbers = []; $allNewNumbers[] = implode(',',$new); $counter = 1; while ( !empty(array_diff($numbers, $new)) ) { while ( in_array(implode(',',$new),$allNewNumbers) ) { $new = generateNumbers(); } $allNewNumbers[] = implode(',',$new); $counter++; echo 'counter: '.$counter.PHP_EOL; if ( $counter > 1000 ) { echo 'break'.PHP_EOL; break; } } echo 'counter: '.$counter;
Output for git.master_jit, git.master
Warning: Module "Zend OPcache" is already loaded in Unknown on line 0 Warning: Zend OPcache: module registration failed! in Unknown on line 0 counter: 2 counter: 3 counter: 4 counter: 5 counter: 6 counter: 7 counter: 7

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