<?php
$a = NULL;
$c = '';
print $a ?? '1b';
print "\n";
print $a ?: '2b';
print "\n";
print $c ?? '1d';
print "\n";
print $c ?: '2d';
print "\n";
print $e ?? '1f';
print "\n";
print $e ?: '2f';
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
- 1b
2b
2d
1f
Warning: Undefined variable $e in /in/ZBAa1 on line 21
2f
- Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- 1b
2b
2d
1f
Notice: Undefined variable: e in /in/ZBAa1 on line 21
2f
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- Parse error: syntax error, unexpected '?' in /in/ZBAa1 on line 6
Process exited with code 255.
preferences:
79.97 ms | 408 KiB | 5 Q