3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cha1 = array(0,1,2,3,4,5); $cha2 = array(4,6,2,8,3,1); $cha1_count = count($cha1); $cha2_count = count($cha2); $cha12_count = 0; $Ck_cha2 = $cha2; for($count1 = 0; $count1 < $cha1_count; $count1++){ for($count2 = 0; $count2 < $cha2_count; $count2++){ if($cha1[$count1] == $Ck_cha2[$count2]){ $Ck_cha2[$count2] = 'Ckeck'; $cha12_count++; break; } } } echo $cha12_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, 5.5.24 - 5.5.35, 5.6.8 - 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
4
preferences:
253 ms | 406 KiB | 341 Q