PHP71 - プログラム倉庫

<?php
require("calldata.php");

$sql = "SELECT * FROM eli06";
$result = mysql_query($sql, $link);
$n=1;
while( $row = mysql_fetch_row( $result ) ){
$matrix[$n][1] = $row[0];
$matrix[$n][2]  =$row[1];
$matrix[$n][3]  =$row[2];
$matrix[$n][4]  =$row[3];
$matrix[$n][5]  =$row[4];
$n=$n+1;
}
$maxn=$n;
for ($n=1; $n < $maxn; $n++) {
$year =$matrix[$n][1];
$age =$matrix[$n][2];
$mrou[$year][$age] = $matrix[$n][3];
$wrou[$year][$age] = $matrix[$n][4];
$drou[$year][$age] = $matrix[$n][5];
}

$sql = "SELECT * FROM eli69";
$result = mysql_query($sql, $link);
$n=1;
while( $row = mysql_fetch_row( $result ) ){
$matrix[$n][1] = $row[0];
$matrix[$n][2]  =$row[1];
$matrix[$n][3]  =$row[2];
$matrix[$n][4]  =$row[3];
$matrix[$n][5]  =$row[4];
$n=$n+1;
}
$maxn=$n;
for ($n=1; $n < $maxn; $n++) {
$year =$matrix[$n][1];
$age =$matrix[$n][2];
$mr[$year][$age] = $matrix[$n][3];
$wr[$year][$age] = $matrix[$n][4];
$dr[$year][$age] = $matrix[$n][5];
}


for ($year=8;$year<100;$year++){
for ($age=15;$age<70;$age++){
$ms[$year][$age]=$mr[$year][$age]*$mrou[$year][$age];
$ws[$year][$age]=$wr[$year][$age]*$wrou[$year][$age];
$ds[$year][$age]=$dr[$year][$age]*$drou[$year][$age];
}
}



$sql = "truncate eli71";
$exe= mysql_query($sql,$link);
for ($year=8;$year<100;$year++){
for ($age=15;$age<70;$age++){
$x=$ms[$year][$age];
$y=$ws[$year][$age];
$z=$ds[$year][$age];
$sql = "insert into eli71 values($year,$age,$x,$y,$z)";
$exe= mysql_query($sql,$link);
}
}
$close_flag = mysql_close($link);
print("７１　就業者 計算終了");
?>