Coding Problem :
I would like to know how to remove comment tags from TXT files with PHP , could anyone help me?
I’m having this problem reading txt files that are displaying the comments.
PHP code:
function extrairDadosNotificacao($NomeArquivo){
$arquivo = fopen($NomeArquivo, 'r');
$dados = array();
while (($buffer = fgets($arquivo, 4096)) !== false) {
$dados[] = $buffer;
}
return $dados;
}
$test = extrairDadosNotificacao("test.txt");
echo "<pre>";
var_dump($test);
File txt:
//TEST
//TEST
'test' 1 1 1 1 1 1 1
Answer :
Answer 1 :
First of all, you can read the file in array like this:
$linhas = file($arquivo, FILE_IGNORE_NEW_LINES);
Manual:
Then just remove the unwanted lines:
function naoecomentario($val){
return '//' != substr($val, 0, 2);
}
$linhasfiltradas = array_filter($linhas, 'naoecomentario');
From there you can save row by line, or join with implode .
Manual:
Now, if you only want to view or save, you do not even need to array_filter , just do this:
foreach($linhasfiltradas as $linha) {
if('//' != substr($val, 0, 2)) {
// ... mostra na tela ou salva no arquivo ...
echo htmlentities($linha)."<br>n";
}
}
Important: If the file is too large, it may be the case to read to pieces, and go recording without retaining everything in memory. I did not go into detail for not being applicable to most cases, but it’s good to keep that in mind.
Basically, it is a question of changing the file by reading line by line, and use a if + substr according to the last example
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