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Last Updated: 20 May 2021

In this article, we learn how to find the length of the string in PHP.Approach: This task can be done by using the built-in function strlen() in PHP. This method is used t...read more

How to generate simple random password from a given string using PHP ?

Last Updated: 21 May 2021

In this article, we will see how to generate a random password using the given string. We have given a string and the task is to generate a random password from it.Example...read more

Google reCAPTCHA Integration in PHP

Last Updated: 26 July 2024

In this article, we are going to discuss how to integrate Google reCAPTCHA v2 in PHP.Approach:Register your site at Google reCAPTCHASubmit HTML formGet response key at ser...read more

Simple Contact Form using HTML CSS and PHP

Last Updated: 05 August 2024

In this article, we will learn to create a basic contact form using HTML, CSS, and PHP.We are creating a simple HTML form that has three fields name, email address, and me...read more

How to mimic multiple constructors in PHP ?

Last Updated: 16 July 2021

Constructors are special member functions for initial settings of newly created object instances from a class.In PHP, a constructor is a method named __construct(), which ...read more

Last Updated: 29 June 2022

We sometimes need to round down the float values to the next lowest integer in our maths problems.PHP provides a built-in function floor() to get this task done through ou...read more

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PHP Programs

PHP Program for Find the number of islands | Set 1 (Using DFS)

Last Updated: 06 September 2022

Given a 2D boolean matrix, the task is to find the number of islands. An island is a group of connected 1s.For example, the below matrix contains 6 islandsExample:Input : ...read more

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PHP

PHP Programs

PHP Program for Count Pairs with Given Sum

Last Updated: 22 July 2024

Given an array of integers, and a number 'sum', find the number of pairs of integers in the array whose sum is equal to 'sum'.Examples:Input : Arr = [ 1, 5, 7, -1 ] ...read more

PHP Program For Finding Subarray With Given Sum - Set 1 (Nonnegative Numbers)

Last Updated: 22 July 2024

Given an unsorted array of nonnegative integers, find a continuous subarray that adds to a given number.Examples:Input: arr[] = {1, 4, 20, 3, 10, 5}, sum = 33Output: Sum f...read more

PHP Program For Chocolate Distribution Problem

Last Updated: 22 July 2024

Given an array of n integers where each value represents the number of chocolates in a packet. Each packet can have a variable number of chocolates. There are m students, ...read more

PHP Program For Rearranging An Array In Maximum Minimum Form - Set 2 (O(1) extra space)

Last Updated: 22 July 2024

Given a sorted array of positive integers, this PHP program rearranges the array alternately: the first element is the maximum value, the second is the minimum value, the ...read more

PHP Program For Counting Inversions In An Array - Set 1 (Using Merge Sort)

Last Updated: 22 July 2024

Inversion Count for an array indicates - how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if the array...read more

PHP Program to Sort an Array of 0s, 1s and 2s

Last Updated: 22 July 2024

Given an array A[] consisting 0s, 1s and 2s. The task is to write a function that sorts the given array. The functions should put all 0s first, then all 1s and all 2s in l...read more

PHP Program To Check If A String Is Substring Of Another

Last Updated: 22 July 2024

Given two strings s1 and s2, find if s1 is a substring of s2. If yes, return the index of the first occurrence, else return -1.Examples:Input: s1 = "for", s2 = "geeksforge...read more

PHP Program To Find Next Greater Element

Last Updated: 22 July 2024

Given an array, print the Next Greater Element (NGE) for every element. The Next greater Element for an element x is the first greater element on the right side of x in th...read more

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