Online PHP editor | refs for tDT84

<?php $data='intervals [1]: xmin = 0 xmax = 13.139997023062838 text = "" intervals [2]: xmin = 13.139997023062838 xmax = 14.763036269953904 text = "Cities are like siblings in a large polygamous family." intervals [3]: xmin = 14.763036269953904 xmax = 17.01 text = ""'; $pat='/xmin = (?P<xmin>\S+)\s+xmax = (?P<xmax>\S+)\s+text = "(?P<text>[^"]*)/'; if(preg_match_all($pat,$data,$m,PREG_SET_ORDER)){ $assoc_multidim=array_map(function($a){return array_intersect_key($a,['xmin'=>'','xmax'=>'','text'=>'']);},$m); var_export($assoc_multidim); }else{ echo "substring extraction failed"; }