php对多为数组某个值进行排序

function _multi_array_sort($multi_array, $sort_key, KaTeX parse error: Expected '}', got 'EOF' at end of input: … if (is_array(multi_array)) {
foreach ($multi_array as KaTeX parse error: Expected '}', got 'EOF' at end of input: … if (is_array(row_array)) {
$key_array[] = r o w a r r a y [ row_array[ rowarray[sort_key];
} else {
return FALSE;
}
}
} else {
return FALSE;
}
array_multisort($key_array, $sort, $multi_array);
return KaTeX parse error: Expected 'EOF', got '}' at position 18: …lti_array; }̲ _multi_ar…a,‘value’);

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