<?php
$b = '';
$c = 'ca';
echo isset($a) ? 1 : 0;
echo "\n\r";
echo isset($b) ? 1 : 0;
echo "\n\r";
echo isset($c) ? 1 : 0;
echo "\n\r";
echo "---------------------------------------------";
echo "\n\r";
echo empty($a) ? 1 : 0;
echo "\n\r";
echo empty($b) ? 1 : 0;
echo "\n\r";
echo empty($c) ? 1 : 0;
- 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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
- 0
1
1
---------------------------------------------
1
1
0
preferences:
233.06 ms | 406 KiB | 314 Q