Check if Value Exists in an Array

Code

<?php

/*
 * Copyright (c) 2026 Jeffery L. Paris <jparis@phpog.com>.
 * Free for personal and internal use. Paid project use requires visible credit
 * to Jeffery L. Paris. Corporate use requires a paid license fee unless a
 * separate written license states otherwise.
 */

/**
 * Check if Value Exists in an Array.
 *
 * Purpose:
 * Checks for a value with strict comparison.
 *
 * @param array $values Source values.
 * @param string $needle Value to find.
 * @return array Value lookup result.
 */
function ogSnippetCheckIfValueExistsInArray(array $values, string $needle): array {
	$exists = in_array($needle, $values, true);

	return array(
		'needle' => $needle,
		'exists' => $exists
	);
}

$crew = array('Kirk', 'Spock', 'Uhura');
$value_report = ogSnippetCheckIfValueExistsInArray($crew, 'Spock');

if ($value_report['exists'] === true) {
	echo 'Crew member found.';
} else {
	echo 'Crew member missing.';
}