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<?php
/*
* Declares Global Functions
*/
/* Checks whether current request is a JSON request, or is expecting a JSON response. */
function ivory_search_is_json_request() {
if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) {
return true;
}
if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) {
return true;
}
return false;
}
/**
* Case-insensitive in_array() wrapper.
*
* @param mixed $needle Value to seek.
* @param array $haystack Array to seek in.
*
* @return bool
*/
function ivory_in_arrayi($needle, $haystack)
{
return in_array(strtolower($needle), array_map('strtolower', $haystack));
}