3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getPatientCodeDisplay($id='') { if(intval($id)>0) { $id_length = strlen($id); $prefix_code = "AHD"; $final_len = 6+strlen($prefix_code)-$id_length; $retstr = str_pad($prefix_code, $final_len, "0", STR_PAD_RIGHT); $retstr .= $id; } else { $retstr = ""; } return $retstr; } echo getPatientCodeDisplay(12);
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
AHD000012

preferences:
287.91 ms | 405 KiB | 459 Q