3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mobile="09029704634"; $mobj="+919029704634"; echo substr('09029704634', -10); echo substr('09029704634', -10); if(strpos($mobj,$mobile)){ $flag=1; }else{ $flag=0; } echo $flag;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
902970463490297046340

preferences:
153.82 ms | 403 KiB | 167 Q