core2.php
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core2.php
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	<?php
	function is_mail ($string) {
	return preg_match('/^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z0-9]{2,4}$/', $string);
	}

	/*
	Unit testing ->
	1 is_mail("dereckson@gmail.com");
	1 is_mail("dereckson@trustspace.42");
	1 is_mail("dereckson@gmail.a.a.a.a.a.a.a.ax.org");
	1 is_mail("dereckson+wazza@gmail.com");
	0 is_mail("dereckson`ls`@gmail.com");
	*/

	/**
	* Gets an HTTP context
	*/
	function get_http_context () {
	return stream_context_create([
	'http' => [
	'method' => 'GET',
	'user_agent' => 'NasqueronTools/0.1'
	]
	]);
	}

	function get_innerHtml (DOMNode $element) {
	$innerHtml = "";

	foreach ($element->childNodes as $childNode) {
	$dom = new DOMDocument('1.0', 'utf-8');
	$dom->appendChild(
	$dom->importNode($childNode, true)
	);
	$innerHtml .= trim($dom->saveHTML());
	}

	return $innerHtml;
	}

	function get_array_from_html_table($html, $stripHTML = true) {
	$array = [];

	$html = str_ireplace('<th ', '<td ', $html);
	$html = str_ireplace('<th>', '<td>', $html);
	$html = str_ireplace('</th>', '</td>', $html);
	$html = str_ireplace('<th/>', '<td/>', $html); //No reason not to be as permissive as browsers.

	$dom = new DOMDocument('1.0', 'utf-8');
	$dom->loadHTML($html);
	$rows = $dom->getElementsByTagName('tr');
	foreach ($rows as $row) {
	$values = [];
	$rowCells = $row->getElementsByTagName('td');
	foreach ($rowCells as $cell) {
	$values[] = $stripHTML ? $cell->nodeValue : get_innerHtml($cell);
	}
	$array[] = $values;
	}
	return $array;
	}