3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $accountNumber = "NRAITCHEFF"; $analyticsClasses = "1234567F"; var_dump( strpos( $analyticsClasses, substr($accountNumber, 0, 1) ), is_numeric(strpos( $analyticsClasses, substr($accountNumber, 0, 1) )) );
based on PCpVU
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0alpha1
bool(false) bool(false)