If you have an array of objects, such as products, you might want to find the biggest (or, conversly, smallest) number for some reason; you may want to show the biggest price so you can output “Prices Up To: \u00a3x” (or “Prices From: \u00a3x” with the smallest number). There are a couple of ways to do this.<\/p>\n\n\n\n
This is the obvious way to go before putting too much thought into it; iterate through the array in a loop and keep track of the biggest number seen so far, like this:<\/p>\n\n\n\n
$biggest_number = 0;\nforeach($products as $product){\n if($product->price > $biggest_number){\n $biggest_number = $product->price;\n }\n}\necho "The biggest number is: $biggest_number";<\/code><\/pre><\/div>\n\n\n\nIn this example, we use a foreach<\/code> loop to iterate through the array and compare each number to the biggest number seen so far. This approach has a time complexity of O(n log n), where n is the size of the array.<\/p>\n\n\n\nApproach 2: Using max()<\/code> and array_column()<\/code><\/h2>\n\n\n\nA better way is to combine max()<\/code> and array_column()<\/code> functions to extract the maximum value. Here’s how: <\/code><\/p>\n\n\n\n$biggest_number = max(array_column($products, "price"));\necho "The biggest number is: $biggest_number";<\/code><\/pre><\/div>\n\n\n\nHere we use the array_column()<\/code> function to extract the price<\/code> column from an array of objects and then use the max()<\/code> function on the new array. If you want to find the smallest number, simply replace max()<\/code> with min()<\/code>.<\/p>\n\n\n\nThis approach has a time complexity of O(n), where n is the size of the array. This makes it the most efficient of the two approaches, especially for large arrays.<\/p>\n","protected":false},"excerpt":{"rendered":"
If you have an array of objects, such as products, you might want to find the biggest (or, conversly, smallest) number for some reason; you may want to show the biggest price so you can output “Prices Up To: \u00a3x” (or “Prices From: \u00a3x” with the smallest number). There are a couple of ways to […]<\/p>\n","protected":false},"author":12,"featured_media":7525,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"class_list":["post-7516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-and-ux"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/posts\/7516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/comments?post=7516"}],"version-history":[{"count":0,"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/posts\/7516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/media\/7525"}],"wp:attachment":[{"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/media?parent=7516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bronco.co.uk\/our-ideas\/wp-json\/wp\/v2\/categories?post=7516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}