You can use the array_diff function in PHP to compare two arrays and check if the first array contains all of the values from the second array.
functionisFruit(fruitName){letfruits=['Apple','Mango','Pear','Peach'];if(fruits.indexOf(fruitName)>-1){returntrue;}else{returnfalse;}}isFruit('Pear');isFruit('Cat'); Output: truefalse Using the.includes()Function to Check if Array Contains Value in JavaScript ...
You can use the PHP in_array() function to test whether a value exists in an array or not.Let's take a look at an example to understand how it basically works:ExampleTry this code » <?php $zoo = array("Lion", "Elephant", "Tiger", "Zebra", "Rhino", "Bear"); if(in_array...
Given an array and an element, we have to check whether array contains the given element or not.Example:Input: arr = [34, 56, 7, 8, 21, 0, -6] element to check: 21 Output: 21 found at 4 index Program to check if an array contains a given value in Kotlin...
if($array.IndexOf($element)-ne-1){ Write-Host"The array contains the '$element'." }else{ Write-Host"The array does not contain the '$element'." } OUTPUT 1 2 3 Thearraycontainsthe'PHP'. So here, theIndexOf()method takes a value and returns its index in the$array; it returns-...
In this article, we will check if any string contains a particular character or not. We will print to the webpage if it contains the character in the string otherwise not. Here's a PHP script to implement this functionality. We will be using strpos() function, which expects two parameter...
1. Positive Scenario – String contains only Numeric Digits In this example, we take a string instrsuch that it contains only numeric digits. For the given value of string,preg_match()returnstrueand if-block executes. PHP Program </> ...
Check Whether all Values in a PHP Array are Null, Effective Techniques to Verify Non-Null Values in PHP Arrays, Efficiently Detecting Null Values in an Array Without Using Loops, Checking if any value in a PHP array is null
To check if an element exists in a PHP array, you can use the in_array($search, $array, $mode) function. The $search parameter specifies the element or value to search in the specified array and can be of a mixed type (string, integer, or other types). If the parameter is a stri...
1. Check if the array contains the key “m” In this example, we will take an associative array with key-value pairs, and check if specific key"m"is present in the array. PHP Program </> Copy <?php $array1 = array("a"=>"apple", "b"=>"banana", "m"=>"mango", "o"=>"or...