Online PHP editor | output for vi9VO

<?php $str = 'Showing results [program=for {program} programs|No pogram at all] [province=in {province}] [degree=with degree of {degree}]'; function interpolateString($message, array $context = array()) { $arrMatches = array(); $str = $message; preg_match_all("/\[(\w+)\=([^\[\]\|.*]*)?\|*([^\[\].*]*)\]/", $str, $arrMatches); $contextKeys = $arrMatches[1]; $contextCondition = array(); $contextValues = array(); $i = 0; foreach ($contextKeys as $key){ $contextCondition += array($key => $arrMatches[0][$i]); $i++;} $i = 0; foreach ($contextKeys as $key){ $value = $context[$key] != false ? 2 : 3; $contextValues += array($key => $arrMatches[$value][$i]); $i++;} foreach ($contextKeys as $key){ $str = str_replace($contextCondition[$key], $contextValues[$key], $str); } $message = $str; $replace = array(); foreach ($context as $key => $val) { $replace['{' . $key . '}'] = $val; } return strtr($message, $replace); } $arrContext = array( 'program' => 'Nursing', 'province' => 'Ontario', 'degree' => false ); echo interpolateString($str, $arrContext); echo "\n";