--TEST-- adding numbers to strings --INI-- precision=14 --FILE-- <?php $i = 75636; $s1 = "this is a string"; $s2 = "876222numeric"; $s3 = "48474874"; $s4 = "25.68"; $c = $i + $s1; var_dump($c); $c = $i + $s2; var_dump($c); $c = $i + $s3; var_dump($c); $c = $i + $s4; var_dump($c); $c = $s1 + $i; var_dump($c); $c = $s2 + $i; var_dump($c); $c = $s3 + $i; var_dump($c); $c = $s4 + $i; var_dump($c); echo "Done\n"; ?> --EXPECTF-- int(75636) int(951858) int(48550510) float(75661.68) int(75636) int(951858) int(48550510) float(75661.68) Done