How to use variable in php array read from file -

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i trying figure out how use variable in array has been read file. have far , returning variable name instead of value. example intentionally not have space between $var.doe , saint.$var , places $var in front of "doe" , behind "saint" because actual data dealing with. thank help.

read.txt

$var.doe saint.$var

php file

<? $var = "john"; $aarray = file('read.txt'); echo $aarray[0]; echo '<br>'; echo $aarray[1]; ?>

you need substitute variables:

php > $s = ' $var.doe saint.$var '; php > echo $s;  $var.doe saint.$var php > $var = 'jone'; php > echo str_replace('$var', $var, $s);  john.doe saint.john

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