Online PHP editor | refs for MYlZo

<?php $start = microtime(true); $a = [ 'hallo welt', ' asss ', 'adasd13e1 123w1 23w123w21', '1232', '1231245rt235491340921830', '41904e09218i3219ß21093ß02193ß0219ß0', '2135r423', '!2242321', '21421421', '44', '1', '12435r2390ß4038i12ß2190ßi2ß10', ]; $a = array_filter($a, function($value) { return strlen($value) <= 10; }); $b = 5; $s = 10; $a = array_slice($a, 0, $b); $a = array_combine( range($s, $b*$s , $s), $a); var_dump( $a, microtime(true)-$start ); $start = microtime(true); $a = [ 'hatlo welt', ' asss ', 'adasd13e1 123w1 23w123w21', '1232', '1231245rt235491340921830', '41904e09218i3219ß21093ß02193ß0219ß0', '2135r423', '!2242321', '21421421', '44', '1', '12435r2390ß4038i12ß2190ßi2ß10', ]; $i = 0; $result =[]; foreach ($a as $bullet_point) { if (strlen($bullet_point) > 10 ) { continue; } $i+=1; $sort = $i * $s; $result[$sort] = $bullet_point; if ($i == $b) { break; } } if ($i < 0) { return false; } var_dump($result, microtime(true)-$start );