PHP Developers – Tutorials Posted by Sudheesh.R

Start with a simple PHP program.

Sudheesh.R

Welcome to the PHP world. You have successfully entered into a very beautiful place. really it is true !!!! you are a very lucky man !!!

First we will take some coffee and we will discuss about our php !!! 🙂

PHP is a scripting language, originally designed for creating … Read more

Define a PHP Variable

Sudheesh.R

PHP variable’s name begins with a $ sign, followed by a name- and that name must start with a letter or an underscore, not a number.PHP can also store all types of data in variables which makes things a lot easier. (Don’t have to create different types to store data, … Read more

Comments in PHP Code

Sudheesh.R

A comment is using to note a short description about the working flow of the program or hide some unwanted code for special purposes . Commented code couldn’t execute or do anything in the part of the program.
we can use // for a single-line comment or /* and */ … Read more

Arithmetic operators in PHP

Sudheesh.R

In PHP, Mathematical operators preform simple math calculations. The five mathematical operators are multiplication (*), division (/), subtraction (-),Modulus (%) and addition (+).

Sum of two Numbers using PHP

<?php

$a = 8;

$b = 4;

echo $a+$b;

Output : 12
… Read more

Inbuilt Arithmetic Functions in PHP

Sudheesh.R

PHP have some inbuilt mathematical functions for calculations. They are

# abs() — This function returns the absolute value of a number
# acos() — Using for to find arccosine of a number
# acosh() — helps to Inverse hyperbolic cosine
# asin() — Using for to get Arc sine… Read more

Assign values using PHP

Sudheesh.R

In PHP, basic assignment operator is equal to(“=”). Some other operators are +=, -=, *=, /=, .= and %= .

$a=$b

The value of $b is assigned to a variable $b.

$a+=$b

It is the same calculation of $a=$a+$b.

$a-=$b

It is the same calculation of $a=$a-$b.

$a*=$b

It is

Compare two values using PHP

Sudheesh.R

In PHP, Comparison operators helps to compare two values. basic comparison operators are Equal(==),Identical(===),Not equal(!= or <>), Not identical(!==), Less than(), Less than or equal to(=)

$a == $b

if $a is equal to $b then return TRUE.

$a != $b

if $a is not equal to $b then return

Alternative syntax for if, while loop, for loop, foreach and switch statement

Sudheesh.R

In PHP have an alternative syntax for if, while, for, foreach, and switch. The basic form of the alternate syntax is to change the opening brace to a colon (:) and the closing brace to endif;, endwhile;, endfor;, endforeach;, or endswitch;, respectively.

Syntax :
for (initial; condition; increment) :… Read more

Compare two values with Logical operators

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In PHP, Logical operators perform conditional and, or, and not operations. This also called Bitwise operators. Some Bitwise operators as follows

$a && $b

Value required for $a and $b.

$a || $b

Value required for $a or $b.

$a xor $b

Value required for $a or $b (not both

String Functions in PHP

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PHP have some inbuilt powerful string handling and manipulating functions. PHP string function are

addcslashes

To add backslashes , in front of the specified characters

addslashes

To add backslashes , in front of the predefined characters

bin2hex

Convert binary data into hexadecimal representation

chop

Alias of rtrim

chr

Return a