3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function genRand($length = 10, $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') { $randomString = ''; for ($i = 0; $i < $length; $i++) { $randomString .= $chars[rand(0, strlen($chars) - 1)]; } return $randomString; } function populate($count = 10000) { $array = array(); for($i = 0; $i < $count; $i++) { $phone = genRand(10,'0123456789'); $array[$phone] = array( 'phone' => $phone, 'name' => genRand(20), 'age' => genRand(2, '0123456789'), ); } return $array; } $array1 = populate(20000); $array2 = array(40000); $match = FALSE; foreach($array1 as $key => $value) { if(isset($array2[$key])) { $match = TRUE; break; } }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0