Online PHP editor | refs for Zq8tM

<?php $a = "1.0e6"; $b = "1.e6"; $c = 1000000; $d = null; echo 'a == b '; var_dump($a == $b); echo 'a == c '; var_dump($a == $c); echo 'a == d '; var_dump($a == $d); echo "\n"; echo 'a === b '; var_dump($a === $b); echo 'a === c '; var_dump($a === $c); echo 'a === d '; var_dump($a === $d); echo "\n"; echo 'strcmp(a, b) '; var_dump(@strcmp($a, $b)); echo 'strcmp(a, c) '; var_dump(@strcmp($a, $c)); echo 'strcmp(a, d) '; var_dump(@strcmp($a, $d)); echo 'strcmp(d, a) '; var_dump(@strcmp($d, $a)); echo "\n"; echo 'strcasecmp(a, b) '; var_dump(@strcasecmp($a, $b)); echo 'strcasecmp(a, c) '; var_dump(@strcasecmp($a, $c)); echo 'strcasecmp(a, d) '; var_dump(@strcasecmp($a, $d)); echo 'strcasecmp(d, a) '; var_dump(@strcasecmp($d, $a));