RetroSearch Browse

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://www.php.net/manual/en/function.array-find.php below:

PHP: array_find - Manual

array_find

(PHP 8 >= 8.4.0)

array_find — Returns the first element satisfying a callback function

Description

array_find() returns the value of the first element of an array for which the given callback returns true. If no matching element is found the function returns null.

Parameters

array: The array that should be searched.
callback: The callback function to call to check each element, which must be
If this function returns true, the value is returned from array_find() and the callback will not be called for further elements.

Return Values

The function returns the value of the first element for which the callback returns true. If no matching element is found the function returns null.

Examples

Example #1 array_find() example

<?php

    $array = [
'a' => 'dog',
'b' => 'cat',
'c' => 'cow',
'd' => 'duck',
'e' => 'goose',
'f' => 'elephant'
];// Find the first animal with a name longer than 4 characters.
var_dump(array_find($array, function (string $value) {

    return strlen($value) > 4;

    }));// Find the first animal whose name begins with f.
var_dump(array_find($array, function (string $value) {

    return str_starts_with($value, 'f');

    }));// Find the first animal where the array key is the first symbol of the animal.
var_dump(array_find($array, function (string $value, $key) {

    return $value[0] === $key;

    }));// Find the first animal where the array key matching a RegEx.
var_dump(array_find($array, function ($value, $key) {

    return preg_match('/^([a-f])$/', $key);

    }));
?>

The above example will output:

string(5) "goose"
NULL
string(3) "cow"
string(3) "dog"

See Also

array_find_key() - Returns the key of the first element satisfying a callback function
array_all() - Checks if all array elements satisfy a callback function
array_any() - Checks if at least one array element satisfies a callback function
array_filter() - Filters elements of an array using a callback function
array_reduce() - Iteratively reduce the array to a single value using a callback function

mail at nititech dot de ¶

3 months ago

A simple fallback For older PHP versions, that do not have array_find: 
  <?php function array_find(array $array, callable $callback): mixed 
{ 

     foreach ($array as $key => $value) { 

     if ($callback($value, $key)) { 

     return $value; 

     } 

     } 
  returnnull; 

   } 
?>

↑ and ↓ to navigate • Enter to select • Esc to close

Press Enter without selection to search using Google

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4