- array_sum: documentation ( source)
- print_r: documentation ( source)
- date: documentation ( source)
<?php
if('12/10/2000' < '10/10/2000') echo "true\n"; else echo "false\n";
$data = date('d/m/Y');
print_r($data);
echo "\n";
$data1 = DateTime::createFromFormat('d/m/Y', $data);
$data2 = DateTime::createFromFormat('d/m/Y', $data);
echo $data1 == $data2->add(new DateInterval('P1D')) ? "iguais\n" : "diferentes\n";
$arr = array(array(), array());
print_r($arr);
if(empty($arr)) echo "empty\n"; else echo "not empty\n";
$data3 = DateTime::createFromFormat('d/m/Y', '30/30/2000');
print_r($data3->getLastErrors());
print_r(array_sum($data3->getLastErrors()));