<?php
function which_is_lower($a, $b)
{
if ( $a < $b )
{
return $a;
}
else
{
return $b;
}
}
echo '-1 vs NULL: min() gives ';
var_dump( min(-1, NULL) );
echo '; comparison with < gives ';
var_dump( which_is_lower(-1, NULL) );
- 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
- -1 vs NULL: min() gives NULL
; comparison with < gives NULL
preferences:
291.18 ms | 406 KiB | 457 Q