Claudio Sanches claudiosanches

Validação para cartão de crédito.

Bin e padrões para validação de cartão de crédito.

Bandeira	Começa com	Máximo de número	Máximo de número cvc	Regex
Visa	`4`	13,16	3	`^4[0-9]{12}(?:[0-9]{3})`
Mastercard	`5`	16	3	`^5[1-5][0-9]{14}`
Diners	`301,305,36,38` link	14,16	3	`^3(?:0[0-5]

Mailhog Requires Go 1.4+ to run so we will install GO language in system.

sudo apt install golang-go -y

Cross verify Go language is successfully installed.

	<?php

	/**
	* Wraps a message $content in a responsive e-mail template.
	*
	* Reference: http://zurb.com/playground/projects/responsive-email-templates/basic.html
	*/
	function post_mail_content( $content ) {
	ob_start(); ?><html xmlns="http://www.w3.org/1999/xhtml"><head>
	<meta content="width=device-width" name="viewport">

	<?php
	// The libxml entity loader is disabled by default
	// even setting the libxml_disable_entity_loader to false doesn't works!
	//
	// @see http://uk3.php.net/manual/en/function.libxml-disable-entity-loader.php
	// @see http://stackoverflow.com/a/10213239

	$dir = __DIR__;
	$content = 'This is a remote content!';
	file_put_contents('content.txt', $content);