php

To create a node which has a paragraph field you must create a Paragraph Item and respective object has to be referenced to the field. If this is a multiple add more field you can just loop this with the appendItem() for multiple items.

The following code will return the root path for a drupal file system. \Drupal::service('file_system')->realpath(file_default_scheme() . "://") . '/');

To load the author name or owner from a node entity object we can use getOwner(). The below example show how to load a node object using node id and to get the Author name from it.

The following code will return all the available fields as an array by a field type. You can pass the field type that you want to load within getFieldMapByFieldType() function.

The Big Pipe is the new methodology for loading web pages. While using Big Pipe concept it will split request into multiple requests this request is sent parallel for the server. The server completes its first request from multiple, then sent the response to the browser. The Browser will not wait for all responses. Whenever it will receive a response it will render output.

The Object Oriented Programming (OOPs) is a most powerful programming concept. The PHP will support OOPs, using the OOPs concept we can simplify actual normal code writing. The below is the slides of Object Oriented Programming basic concepts used in PHP.

The Binary OrderMark(BOM) is the hidden secret code used for securing the data transfer via REST services. Commonly this BOM details available starting of each string(Commonly exist in first 3 characters). But will saving in Database or processing we no need this code. So we can strip from actual code.

The function jsondecode() function will help convert a json formatted string into JSON object. Using this object we can access its key value pairs of JSON content. Some cases we cannot create JSON object from the string. Below are possible reasons of cannot create JSON objects.

TCPDF is a PDF library for generating PDF for given content. The Library is open source available on https://tcpdf.org/. We can download that library to create PDF for our need. This article will demonstrate how to change default font style of TCPDF library with our custom TTF font file.

The below is the sample code for strip a particular HTML element from given string HTML. Using this function we can able to get particular div, span, p, body, article,.. any HTML wrapped element by its class or id. This function accepts 4 parameters, HTML string to get particular Tag, Strip tag name, Identifier name Class or Id and Identifier Class name or Id name.

In PHP we can able to slice an Array into small chunks. To chunk array, there is a function called array_slice(). This function will accept splitting array with Limit and offset of the slice. It will split array into given limit from the offset of starting.

The below function will help us to Strip given HTML tag to strip from HTML string. In this function, we can able to pass the starting and ending tags of the specific string enclosed.

The PHP function number_format() is the function is used to format the given number in a specific format. The below example will show how to format the given number with decimal points. The number_format() will accept 3 parameters as defined below,

Entity is a object or instance of a base or extended class. Each entity have their own properties. The entity_get_info() is a function used for access entity information. Below is the sample code which show how to access the Entity information with entity ID.

We can able to strip HTML tags from string in PHP by calling the function preg_replace(). It will compare tags by regular expression and strip from formatted string HTML.

In HTML normal special characters are considered as entities. So normally these are encoded as string. Normally &, <, >, ‘ and “ are special symbols. In PHP we can able to encode special symbols into HTML entity vice versa able to decode HTML entities into special symbols.

In PHP normally we use logical operators for validating. The operators performs operation with values and return Boolean value as TRUE or FALSE. Normal logical operators are AND(&&) and OR(||). We can able to replace logical operators with logical strings.

JSON - Javascript Object Notation.It's a lightweight data interchange format and also a subset of javascript programming language.Json is language independent.It is has hierarchical values.Easy to read and write.

Array pop() function is used to delete the last element in an array. Array push() function is used to insert the element in the array

In Pass by value the argument values are affected only locally with in the function where as in Pass by reference the argument values affected globally (i.e outside the function).