PHP Manual: Checks if at least one array element satisfies a callback function

Description

bool array_any(array $array, callable $callback)

array_any returns true, if the given callback returns true for any element. Otherwise the function returns false.

Parameters

array

The array that should be searched.

callback

The callback function to call to check each element, which must be

bool callback(mixed $value, mixed $key)

If this function returns true, true is returned from array_any and the callback will not be called for further elements.

Return Values

The function returns true, if there is at least one element for which callback returns true. Otherwise the function returns false.

Examples

Example #1 array_any example

<?php
$array = [
    'a' => 'dog',
    'b' => 'cat',
    'c' => 'cow',
    'd' => 'duck',
    'e' => 'goose',
    'f' => 'elephant'
];

// Check, if any animal name is longer than 5 letters.
var_dump(array_any($array, function (string $value) {
    return strlen($value) > 5;
}));

// Check, if any animal name is shorter than 3 letters.
var_dump(array_any($array, function (string $value) {
    return strlen($value) < 3;
}));

// Check, if any array key is not a string.
var_dump(array_any($array, function (string $value, $key) {
   return !is_string($key);
}));
?>

The above example will output:

bool(true)
bool(false)
bool(false)

array_any

Description

Parameters

Return Values

Examples

See Also