数组项键上的内爆

Posted 2021-02-26

function implode_on_key($array, $key, $sep, $prefix = '') {
	$string = '';
 
	if(empty($array)) return '';
 
	foreach($array as $element) {
		$string .= $prefix.$element[$key].$sep;
	}
 
	return substr($string, 0, -strlen($sep));
}