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<?php
if (!function_exists('startsWith')) {
/**
* Starts with.
*
* @param $haystack
* @param $needle
*
* @return bool
*/
function startsWith($haystack, $needle)
{
# search backwards starting from haystack length characters from the end
return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== false;
}
}
if (!function_exists('endsWith')) {
/**
* Ends with.
*
* @param $haystack
* @param $needle
*
* @return bool
*/
function endsWith($haystack, $needle)
{
# search forward starting from end minus needle length characters
return $needle === "" || (($temp = strlen($haystack) - strlen($needle)) >= 0 && strpos($haystack, $needle,
$temp) !== false);
}
}
if (!function_exists('trailingslashit')) {
/**
* @param $string
*
* @return string
*/
function trailingslashit($string)
{
return untrailingslashit($string) . '/';
}
}
if (!function_exists('untrailingslashit')) {
/**
* @param $string
*
* @return string
*/
function untrailingslashit($string)
{
return rtrim($string, '/\\');
}
}
/**
* Get class names.
*
* @return string
*/
function classNames()
{
$args = func_get_args();
$classes = array_map(function ($arg) {
if (is_array($arg)) {
return implode(" ", array_filter(array_map(function ($expression, $class) {
return $expression ? $class : false;
}, $arg, array_keys($arg))));
}
return $arg;
}, $args);
return implode(" ", array_filter($classes));
}
/**
* Get the class visibility from the given visibility.
* @param $visibility
*
* @return string
*/
function visibilityClasses($visibility)
{
return classNames([
'qx-hidden-lg' => !$visibility['lg'],
'qx-hidden-md' => !$visibility['md'],
'qx-hidden-sm' => !$visibility['sm'],
'qx-hidden-xs' => !$visibility['xs'],
]);
}