<?php
$data[] = array('title' => 'hello',
'attributes' => array('id' => 4, 'startdate' => '2013-06-11'));
$data[] = array('title' => 'hello second entry',
'attributes' => array('id' => 6, 'startdate' => '2013-04-11'));
print "Inital Data\n";
print_r($data);
print "\n";
usort($array, function($a, $b) {
if ($a['attributes']['startdate'] > $b['attributes']['startdate']) return 1;
if ($a['attributes']['startdate'] < $b['attributes']['startdate']) return -1;
return 0;
});
print "Sorted Data\n";
print_r($data);
print "\n";
- Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Inital Data
Array
(
[0] => Array
(
[title] => hello
[attributes] => Array
(
[id] => 4
[startdate] => 2013-06-11
)
)
[1] => Array
(
[title] => hello second entry
[attributes] => Array
(
[id] => 6
[startdate] => 2013-04-11
)
)
)
Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /in/fPbfL:11
Stack trace:
#0 /in/fPbfL(11): usort(NULL, Object(Closure))
#1 {main}
thrown in /in/fPbfL on line 11
Process exited with code 255. - Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
- Inital Data
Array
(
[0] => Array
(
[title] => hello
[attributes] => Array
(
[id] => 4
[startdate] => 2013-06-11
)
)
[1] => Array
(
[title] => hello second entry
[attributes] => Array
(
[id] => 6
[startdate] => 2013-04-11
)
)
)
Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /in/fPbfL:15
Stack trace:
#0 /in/fPbfL(15): usort(NULL, Object(Closure))
#1 {main}
thrown in /in/fPbfL on line 15
Process exited with code 255. - Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
- Inital Data
Array
(
[0] => Array
(
[title] => hello
[attributes] => Array
(
[id] => 4
[startdate] => 2013-06-11
)
)
[1] => Array
(
[title] => hello second entry
[attributes] => Array
(
[id] => 6
[startdate] => 2013-04-11
)
)
)
Warning: usort() expects parameter 1 to be array, null given in /in/fPbfL on line 15
Sorted Data
Array
(
[0] => Array
(
[title] => hello
[attributes] => Array
(
[id] => 4
[startdate] => 2013-06-11
)
)
[1] => Array
(
[title] => hello second entry
[attributes] => Array
(
[id] => 6
[startdate] => 2013-04-11
)
)
)
- 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 T_FUNCTION in /in/fPbfL on line 11
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 T_FUNCTION in /in/fPbfL on line 11
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/fPbfL on line 11
Process exited with code 255.
preferences:
267.49 ms | 401 KiB | 347 Q