PHP - Partial string search in array

partial-string-search.php

<?php

/**
 * Helper function to do a partial search for string inside array.
 *
 * @param array  $array   Array of strings.
 * @param string $keyword Keyword to search.
 *
 * @return array
 */
function array_partial_search( $array, $keyword ) {
	$found = [];

	// Loop through each item and check for a match.
	foreach ( $array as $string ) {
		// If found somewhere inside the string, add.
		if ( strpos( $string, $keyword ) !== false ) {
			$found[] = $string;
		}
	}

	return $found;
}

// Simple list of fruits.
$fruits = [ 'apple', 'grapes', 'orange', 'pineapple' ];

// Result - [ 'apple', 'grapes', 'pineapple' ];
$found = array_partial_search( $fruits, 'ap' );