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Archivos

Desarrollo de sistemas Udec. Archivos. Eliseo Melgarejo http://www.udec.cl/~eliseomelgarejo. Daniel Mahn http://www.udec.cl/~dmahn. ¿Cuantos registros tiene mi tabla?. $contar = "SELECT COUNT(*) FROM table "; $count_result = mysql_query($contar, $conexion);

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Archivos

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  1. Desarrollo de sistemas Udec Archivos Eliseo Melgarejo http://www.udec.cl/~eliseomelgarejo Daniel Mahn http://www.udec.cl/~dmahn

  2. ¿Cuantos registros tiene mi tabla? • $contar = "SELECT COUNT(*) FROM table"; • $count_result = mysql_query($contar, $conexion); • $cantidad = mysql_result($count_result, 0, 0);

  3. Leer archivos desde PHP • $file = fopen("datos.txt","w"); • $var=“hola!”; • fwrite($file,"$var"); • // • while($row=mysql_fetch_row($resultado_sql)) • fwrite($file,"$row[0] "); • fclose ($file); • //escribir los números del 1 al 100 en archivo de texto “w” for write “r” for read

  4. Escribir archivos desde PHP • $file = fopen("datos.txt","w"); • while (!feof($file)) • { • $mascota = fgets ($fp, 4096); • echo $mascota • } • fclose ($file); “w” for write “r” for read

  5. Función explode • $mascota = "1_perro_café”; • list($id,$nombre,$color) = explode("_",$mascota); • echo " id: $id, <br> • nombre: $nombre, <br> • color: $color "; • }

  6. Función implode • <?$array = array('lastname', 'email', 'phone');$imploded = implode(",", $array);echo $imploded; // lastname,email,phone?>

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