@ 2015-09-22T06:36:44Z <?php
$js = '{
"BHS": {
"text": "Beacon Hill School",
"optgroup": "Kowloon"
},
"HSK": {
"text": "ESF International Kindergarten (Hillside)",
"optgroup": "Hong Kong Island"
},
"KJS": {
"text": "Kowloon Junior School",
"optgroup": "Kowloon"
}
}';
$json = json_decode($js);
function sortByText($a, $b) {
return ord($a['text'][0]) - ord($b['text'][0]);
}
usort($json, 'sortByText');
var_dump($json);
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.7 Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, stdClass given in /in/u7PTt:23
Stack trace:
#0 /in/u7PTt(23): usort(Object(stdClass), 'sortByText')
#1 {main}
thrown in /in/u7PTt on line 23
Process exited with code 255 . Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.16 - 7.3.33 , 7.4.0 - 7.4.33 Warning: usort() expects parameter 1 to be array, object given in /in/u7PTt on line 23
object(stdClass)#2 (3) {
["BHS"]=>
object(stdClass)#1 (2) {
["text"]=>
string(18) "Beacon Hill School"
["optgroup"]=>
string(7) "Kowloon"
}
["HSK"]=>
object(stdClass)#3 (2) {
["text"]=>
string(41) "ESF International Kindergarten (Hillside)"
["optgroup"]=>
string(16) "Hong Kong Island"
}
["KJS"]=>
object(stdClass)#4 (2) {
["text"]=>
string(21) "Kowloon Junior School"
["optgroup"]=>
string(7) "Kowloon"
}
}
Output for 5.4.1 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 Warning: usort() expects parameter 1 to be array, object given in /in/u7PTt on line 23
object(stdClass)#1 (3) {
["BHS"]=>
object(stdClass)#2 (2) {
["text"]=>
string(18) "Beacon Hill School"
["optgroup"]=>
string(7) "Kowloon"
}
["HSK"]=>
object(stdClass)#3 (2) {
["text"]=>
string(41) "ESF International Kindergarten (Hillside)"
["optgroup"]=>
string(16) "Hong Kong Island"
}
["KJS"]=>
object(stdClass)#4 (2) {
["text"]=>
string(21) "Kowloon Junior School"
["optgroup"]=>
string(7) "Kowloon"
}
}
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174.85 ms | 403 KiB | 228 Q