- var_export: documentation ( source)
- trim: documentation ( source)
<?php
function check($value) {
if ($value != "") {
echo 'is not an empty string';
} else if ($value == '') {
echo 'is an empty string';
} else {
echo 'SOMETHING ELSE';
}
}
foreach(array(
'',
0,
false,
true,
null,
-1,
array(),
1,
'0',
'1'
) as $value) {
echo trim(var_export($value, true)), ': ', check($value), "\n";
}