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PHP function sort(array &$array, int $flags) bool
---------------------------------------------
Sort an array
Parameters:
array--$array--The input array.
int--$flags--[optional] The optional second parameter sort_flags may be used to modify the sorting behavior using these values.
Sorting type flags: SORT_REGULAR - compare items normally (don't change types).
Returns: true on success or false on failure.
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You can sort an array in ascending or descending order using the sort() and rsort() functions, respectively. For example:
$numbers = [5, 3, 1, 4, 2];
sort($numbers); // Sorts the array in ascending order
rsort($numbers); // Sorts the array in descending order
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<?php
$fruits = array("lemon", "orange", "banana", "apple");
rsort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?>
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<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
asort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?>
//Would output:
c = apple
b = banana
d = lemon
a = orange
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sort() - sort arrays in ascending order
rsort() - sort arrays in descending order
asort() - sort associative arrays in ascending order, according to the value
ksort() - sort associative arrays in ascending order, according to the key
arsort() - sort associative arrays in descending order, according to the value
krsort() - sort associative arrays in descending order, according to the key
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$price = array();
foreach ($inventory as $key => $row)
{
$price[$key] = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
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$array_temp_id = array_column($companions, 'temp_id');
array_multisort($array_temp_id, SORT_DESC, $companions);
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<?php
$fruits = array("lemon", "orange", "banana", "apple");
sort($fruits);
foreach ($fruits as $key => $val) {
echo $val;
}
/*
OUTPUT:
apple
banana
lemon
orange
*/
?>
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<?php
$fruits = array("Zitrone", "Orange", "Banane", "Apfel");
sort($fruits);
foreach ($fruits as $key => $val) {
echo "fruits[" . $key . "] = " . $val . "\n";
}
?>
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<?php
$array = array("id" => 8, "id" =>1, "id" =>3, "id"=>2, "id" => 12, "id" =>19);
print_r($array->orderBy("id"));
?>