3v4l.org

run code in 300+ PHP versions simultaneously
<?php $temp1 = "0,2345"; $temp2 = 1244; $temp3 = "123.45"; if (is_numeric((double)$temp1)) {echo $temp1 . "true";} if (is_numeric($temp2)) {echo "true";} if (is_numeric($temp3)) {echo "true";}
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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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
0,2345truetruetrue
preferences:
300.76 ms | 406 KiB | 421 Q