pierre-dargham/wp-cubi-helpers.php

## wp-cubi-helpers.php
<?php

namespace Globalis\WP\Cubi;

function get_permalink_by_template($template, $default = false)
{
    $pages = new \WP_Query([
        'posts_per_page' => 1,
        'post_type'      => 'page',
        'post_status'    => 'publish',
        'meta_key'       => '_wp_page_template',
        'meta_value'     =>  $template,
    ]);

    if (empty($pages->posts)) {
        return $default;
    }

    return get_permalink(reset($pages->posts)->ID);
}

function include_template_part($file, $data = [], $return = false)
{
    ob_start();
    extract($data);
    include locate_template($file . '.php');
    if ($return) {
        return ob_get_clean();
    } else {
        ob_end_flush();
    }
}

function str_starts_with($string, $search)
{
    return substr($string, 0, strlen($search)) === $search;
}

function str_ends_with($string, $search)
{
    return substr($string, -strlen($search)) === $search;
}

function get_current_url($remove_query_args = false)
{
    $url = WP_SCHEME . '://' . WP_DOMAIN . $_SERVER['REQUEST_URI'];
    if ($remove_query_args) {
        $parts = parse_url($url);
        $url   = WP_SCHEME . '://' . WP_DOMAIN . $parts['path'];
    }
    return $url;
}

function current_url_starts_with($search)
{
    return str_starts_with(get_current_url(), $search);
}

function current_url_ends_with($search)
{
    return str_ends_with(get_current_url(), $search);
}

function remove_filter_anonymous_object($tag, $class_name, $method_name, $priority = 10)
{
    global $wp_filter;

    if (!isset($wp_filter[$tag])) {
        return false;
    }
    if (is_a($wp_filter[$tag], 'WP_Hook')) {
        $callbacks = $wp_filter[$tag]->callbacks; // >= WordPress 4.7
    } else {
        $callbacks = $wp_filter[$tag];            //  < WordPress 4.7
    }
    if (!isset($callbacks[$priority]) || !is_array($callbacks[$priority])) {
        return false;
    }

    $removed = 0;
    foreach ($callbacks[$priority] as $callback) {
        if (is_array($callback) && isset($callback['function'][0]) && isset($callback['function'][1])) {
            $object = $callback['function'][0];
            $method = $callback['function'][1];
            if (is_a($object, $class_name) && $method_name === $method) {
                if (remove_filter($tag, [$object, $method_name], $priority)) {
                    $removed++;
                }
            }
        }
    }
    return $removed > 0;
}

function is_ajax()
{
    return defined('DOING_AJAX') && DOING_AJAX;
}

function trigger_404()
{
    global $wp_query;
    $wp_query->set_404();
    status_header(404);
}

function increase_server_limits($time_limit = 0, $memory_limit = '512M')
{
    ini_set('memory_limit', $memory_limit);
    ini_set('max_execution_time', $time_limit);
    set_time_limit($time_limit);
}

function wrap_mail_html($title, $content)
{
    ob_start();
    ?>
<!DOCTYPE html>
<html <?php language_attributes(); ?>>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=<?php bloginfo('charset'); ?>" />
        <title><?php echo $title; ?></title>
    </head>
    <body <?php echo is_rtl() ? 'rightmargin' : 'leftmargin'; ?>="0" marginwidth="0" topmargin="0" marginheight="0" offset="0">
        <?= $content; ?>
    </body>
</html>
    <?php
    return ob_get_clean();
}
	<?php

	namespace Globalis\WP\Cubi;

	function get_permalink_by_template($template, $default = false)
	{
	$pages = new \WP_Query([
	'posts_per_page' => 1,
	'post_type' => 'page',
	'post_status' => 'publish',
	'meta_key' => '_wp_page_template',
	'meta_value' => $template,
	]);

	if (empty($pages->posts)) {
	return $default;
	}

	return get_permalink(reset($pages->posts)->ID);
	}

	function include_template_part($file, $data = [], $return = false)
	{
	ob_start();
	extract($data);
	include locate_template($file . '.php');
	if ($return) {
	return ob_get_clean();
	} else {
	ob_end_flush();
	}
	}

	function str_starts_with($string, $search)
	{
	return substr($string, 0, strlen($search)) === $search;
	}

	function str_ends_with($string, $search)
	{
	return substr($string, -strlen($search)) === $search;
	}

	function get_current_url($remove_query_args = false)
	{
	$url = WP_SCHEME . '://' . WP_DOMAIN . $_SERVER['REQUEST_URI'];
	if ($remove_query_args) {
	$parts = parse_url($url);
	$url = WP_SCHEME . '://' . WP_DOMAIN . $parts['path'];
	}
	return $url;
	}

	function current_url_starts_with($search)
	{
	return str_starts_with(get_current_url(), $search);
	}

	function current_url_ends_with($search)
	{
	return str_ends_with(get_current_url(), $search);
	}

	function remove_filter_anonymous_object($tag, $class_name, $method_name, $priority = 10)
	{
	global $wp_filter;

	if (!isset($wp_filter[$tag])) {
	return false;
	}
	if (is_a($wp_filter[$tag], 'WP_Hook')) {
	$callbacks = $wp_filter[$tag]->callbacks; // >= WordPress 4.7
	} else {
	$callbacks = $wp_filter[$tag]; // < WordPress 4.7
	}
	if (!isset($callbacks[$priority]) \|\| !is_array($callbacks[$priority])) {
	return false;
	}

	$removed = 0;
	foreach ($callbacks[$priority] as $callback) {
	if (is_array($callback) && isset($callback['function'][0]) && isset($callback['function'][1])) {
	$object = $callback['function'][0];
	$method = $callback['function'][1];
	if (is_a($object, $class_name) && $method_name === $method) {
	if (remove_filter($tag, [$object, $method_name], $priority)) {
	$removed++;
	}
	}
	}
	}
	return $removed > 0;
	}

	function is_ajax()
	{
	return defined('DOING_AJAX') && DOING_AJAX;
	}

	function trigger_404()
	{
	global $wp_query;
	$wp_query->set_404();
	status_header(404);
	}

	function increase_server_limits($time_limit = 0, $memory_limit = '512M')
	{
	ini_set('memory_limit', $memory_limit);
	ini_set('max_execution_time', $time_limit);
	set_time_limit($time_limit);
	}

	function wrap_mail_html($title, $content)
	{
	ob_start();
	?>
	<!DOCTYPE html>
	<html <?php language_attributes(); ?>>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=<?php bloginfo('charset'); ?>" />
	<title><?php echo $title; ?></title>
	</head>
	<body <?php echo is_rtl() ? 'rightmargin' : 'leftmargin'; ?>="0" marginwidth="0" topmargin="0" marginheight="0" offset="0">
	<?= $content; ?>
	</body>
	</html>
	<?php
	return ob_get_clean();
	}