- print_r: documentation ( source)
- define: documentation ( source)
<?php
define('FOO', 'bar');
print_r(array(
'foo' => 'baz' === FOO
));
$var = 'baz';
print_r(array(
'foo' => $var == FOO
));
$var = 0;
print_r(array(
'foo' => $var == FOO
));
$var = 'baz';
print_r(array(
'foo' => $var === FOO
));