Guys,
Good afternoon.

After a long time without posting, I'm going to come back with some cool news for you that I'm using in a project where I need to create an integration between two systems, one local and the other on the web: exporting data to a CSV file.

To do this, I created a class containing the function that we will use, available here.

Usage example:

<?php

require_once("classe.php");


// Conecta no banco de dados

$hostname = "localhost";
$usuario = "root";
$senha = "";
$database = "empresa";

$conexao = mysql_connect( $hostname, $usuario, $senha );
mysql_select_db( $database, $conexao );



// Exporta os dados

$classe = new Exporta();
$classe->exportMysqlToCsv("SELECT * FROM cores", "cores.csv");


?>

And this will generate a file with the following:

ID,STATUS,MARCA,DATA_INC,DATA_ALT,DATA_HAB,NOME,DATA_COM,COD_INTELIGENTE,ID_COLECAO,DATA_PUBLIC
"1","N","N","2007-08-14","2007-08-14",,"UNICA","2007-08-14 17:32:59",,,
"2","N","N","2007-08-14","2007-08-14",,"BRANCA","2007-08-14 17:33:35",,,
"3","N","N","2007-08-14","2007-08-14",,"AMARELA","2007-08-14 17:33:47",,,
"4","N","N","2007-08-14","2007-08-17",,"AZUL CLARO","2007-08-17 15:24:53",,,
"5","N","N","2007-08-14","2007-08-14",,"VERDE","2007-08-14 17:34:19",,,
"12","N","N","2007-08-17","2007-08-17",,"DIVERSAS","2007-08-17 17:10:28",,,
"6","N","N","2007-08-14","2007-08-14",,"ROSA","2007-08-14 17:34:29",,,
"7","N","N","2007-08-14","2007-08-14",,"LARANJA","2007-08-14 17:34:40",,,
"8","N","N","2007-08-14","2007-08-14",,"LILAS","2007-08-14 17:34:53",,,
"9","N","N","2007-08-14","2007-08-14",,"PRETO","2007-08-14 17:35:20",,,
"10","N","N","2007-08-17","2007-08-17",,"AZUL ESCURO","2007-08-17 15:25:09",,,
"11","N","N","2007-08-17","2007-08-17",,"AZUL MARINHO","2007-08-17 15:25:37",,,
"13","N","N","2007-08-17","2007-08-17",,"PINK","2007-08-17 17:44:10",,,
"14","N","N","2007-08-17","2007-08-17",,"VERMELHA","2007-08-17 18:13:37",,,

And that's it, folks! Until next time!

For those who don't want to download the class, follow its code below:

<?php

class Exporta
{

    public function exportMysqlToCsv( $strQuery, $Ds_Arquivo_Destino = 'export.csv' )
    {
        $Ds_Separador_Linha = "\n";
        $Ds_Separador_Coluna = ",";
        $Ds_Caracter_Encapsular = '"';
        $Ds_Caracter_Escape = "\\";

        // Recupera os dados do servidor
        $Ds_Retorno = mysql_query( $strQuery );
        $Nr_Colunas = mysql_num_fields( $Ds_Retorno );


        $Ds_Linha_CSV = '';

        for ( $i = 0; $i < $Nr_Colunas; $i++ )
        {
            $Ds_Linha_CSV .= mysql_field_name( $Ds_Retorno, $i ) . $Ds_Separador_Coluna;
        }

        $Ds_Saida = trim( substr( $Ds_Linha_CSV, 0, -1 ) );
        $Ds_Saida .= $Ds_Separador_Linha;

        while ( $Ds_Linha_Banco = mysql_fetch_array( $Ds_Retorno ) )
        {
            $Ds_Linha_CSV = '';
            for ( $j = 0; $j < $Nr_Colunas; $j++ )
            {
                if ( $Ds_Linha_Banco[$j] == '0' || $Ds_Linha_Banco[$j] != '' )
                {

                    if ( $Ds_Caracter_Encapsular == '' )
                    {
                        $Ds_Linha_CSV .= $Ds_Linha_Banco[$j];
                    }
                    else
                    {
                        $Ds_Linha_CSV .= $Ds_Caracter_Encapsular . str_replace( $Ds_Caracter_Encapsular, $Ds_Caracter_Escape . $Ds_Caracter_Encapsular, $Ds_Linha_Banco[$j] ) . $Ds_Caracter_Encapsular;
                    }
                }
                else
                {
                    $Ds_Linha_CSV .= '';
                }

                if ( $j < $Nr_Colunas - 1 )
                {
                    $Ds_Linha_CSV .= $Ds_Separador_Coluna;
                }
            }

            $Ds_Saida .= $Ds_Linha_CSV;
            $Ds_Saida .= $Ds_Separador_Linha;
        }


            
        // Grava o arquivo físico
        if ( !is_dir( dirname( $Ds_Arquivo_Destino ) ) )
        {
            mkdir( dirname( $Ds_Arquivo_Destino ), 0755, true );
        }

        $criarArquivo = (!is_file( $Ds_Arquivo_Destino ) );
        $objTxt = fopen( $Ds_Arquivo_Destino, "w" );
        if ( $criarArquivo)
        {
            //UTF-8
            fwrite( $objTxt, pack( "CCC", 0xef, 0xbb, 0xbf ) );
        }
        
        fwrite( $objTxt, $Ds_Saida );
        fclose( $objTxt );
        

    }
	
}

?>