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foreach ($filearr as $no =>$val) {
$cols = explode (",", $val);
$keyval = explode ("=", $cols [0]);
if ($keyval [1] == $ID) {
continue;
} else {
$newLines [] = $val;
}
}
$fp = fopen ("product.txt", "a");
fwrite ($fp, $newLines []);
fclose ($fp);
Fatal error: Cannot use [] for reading in
I get an error. How can I write it?
-
Answer # 1
-
Answer # 2
fwrite ($fp, implode (PHP_EOL, $newLines)); -
Answer # 3
fwrite ($fp, $newLines [0]);Now
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The second argument of fwrite () takes a String type.
Please check the usage manual first. (php.net) fwrite
$newLinesis an array of strings, soMethod 1
Write this after concatenating it with a line feed code (
\ r \ n) usingimplode ().(php.net) implode
Method 2
Loop with
$newLineselements inforeachorfor, and writefwrite ()for each line Please give me.