<?php
function compare_behaviour($arg1, $arg2) {
static $test = 0;
++$test;
$res1 = ($arg1 ?: $arg2);
$res2 = ($arg1 or $arg2);
echo "$test\n========\n";
if( $res1 !== $res2 ){
var_dump($arg1, $arg2, $res1, $res2);
} else {
echo "SAME";
}
}
compare_behaviour(false, true);
compare_behaviour(0, 1);
compare_behaviour(0, 0);
compare_behaviour(NULL, []);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- 1
========
SAME2
========
int(0)
int(1)
int(1)
bool(true)
3
========
int(0)
int(0)
int(0)
bool(false)
4
========
NULL
array(0) {
}
array(0) {
}
bool(false)
- Output for 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/6IOBc on line 21
Process exited with code 255. - Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected ':' in /in/6IOBc on line 7
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected ':' in /in/6IOBc on line 7
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/6IOBc on line 7
Process exited with code 255.
preferences:
302.52 ms | 401 KiB | 455 Q