PHP function to compare whether time period one and time period two intersect

Copy the code The code is as follows:

/*
*Compare time period one and time period two to see if there is an intersection
*/
function isMixTime($begintime1,$endtime1,$begintime2,$endtime2)
{
$status = $begintime2 - $begintime1;
if($status>0){
$status2 = $begintime2 - $endtime1;
if($status2>0){
return false;
}else{
return true;
}
}else{
$status2 = $begintime1 - $endtime2;
if($status2>0){
return false;
}else{
return true;
}
}
}

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