Bismillah ....
Kebetulan development internal masih menggunakan PHP 5, dan beberapa fungsi ada yang gak berjalan, langkah terbaiknya dengan memanfaatkan helper dan disimpan dalam function.
Untuk aturan pembuatan helper silahkan liat dokumentasinya, untuk function yang gw buat di Codeigniter 2 dan 3, biasanya ditulis dengan namaHelper_helper.php yang disimpan di folder helpers.
Lanjut ke scriptnya beserta manfaat singkatnya, untuk sumber code nyah gw sertakan juga ya sudah gw sertakan juga ya.
# source: https://gist.github.com/raveren/5555297
if ( !function_exists('random_text')) {
function random_text( $type = 'alnum', $length = 8 ) {
switch ( $type ) {
case 'alnum':
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'alpha':
$pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'hexdec':
$pool = '0123456789abcdef';
break;
case 'numeric':
$pool = '0123456789';
break;
case 'nozero':
$pool = '123456789';
break;
case 'distinct':
$pool = '2345679ACDEFHJKLMNPRSTUVWXYZ';
break;
default:
$pool = (string) $type;
break;
}
$crypto_rand_secure = function ( $min, $max ) {
$range = $max - $min;
if ( $range < 0 ) return $min; // not so random...
$log = log( $range, 2 );
$bytes = (int) ( $log / 8 ) + 1; // length in bytes
$bits = (int) $log + 1; // length in bits
$filter = (int) ( 1 << $bits ) - 1; // set all lower bits to 1
do {
$rnd = hexdec( bin2hex( openssl_random_pseudo_bytes( $bytes ) ) );
$rnd = $rnd & $filter; // discard irrelevant bits
} while ( $rnd >= $range );
return $min + $rnd;
};
$token = "";
$max = strlen( $pool );
for ( $i = 0; $i < $length; $i++ ) {
$token .= $pool[$crypto_rand_secure( 0, $max )];
}
return $token;
}
}script diatas untuk melakukan generate string semacam uniq-id.
# source: https://stackoverflow.com/a/46574723
if(!function_exists('ucapan_selamat')) {
function ucapan_selamat() {
$hour = date("G");
return ($hour >= 3 && $hour < 12)
? "Selamat Pagi, "
: (($hour >= 12 && $hour < 17) ? "Selamat Siang, " : "Selamat Malam, ");
}
}Kalimat Salam yang berdasarkan waktu komputer client.
# source: https://github.com/typesafer/codeigniter-enum-select-boxes
if (!function_exists('dropdownKolom')) {
function dropdownKolom($table , $field, $all=false)
{
$ci = & get_instance();
$query = "SHOW COLUMNS FROM ".$table." LIKE '$field'";
$row = $ci->db->query("SHOW COLUMNS FROM ".$table." LIKE '$field'")->row()->Type;
$regex = "/'(.*?)'/";
preg_match_all( $regex , $row, $enum_array );
$enum_fields = $enum_array[1];
foreach ($enum_fields as $key=>$value)
{
if ($all) {
$enums['all'] = 'All';
$enums[$value] = strtoupper($value);
}else{
$enums[$value] = strtoupper($value);
}
}
return $enums;
}
}script diatas untuk menampilkan value dalam bentuk dropdown yang diambil dari table -> field (column) dengan type field enum
# source: https://stackoverflow.com/a/33919648
# using for php < 5.4 if server using > 5.5 please, use array_columnt instead
if (!function_exists('arr_kolom')) {
function arr_kolom(array $array, $columnKey, $indexKey = null)
{
$result = array();
foreach ($array as $subArray) {
if (!is_array($subArray)) {
continue;
} elseif (is_null($indexKey) && array_key_exists($columnKey, $subArray)) {
$result[] = $subArray[$columnKey];
} elseif (array_key_exists($indexKey, $subArray)) {
if (is_null($columnKey)) {
$result[$subArray[$indexKey]] = $subArray;
} elseif (array_key_exists($columnKey, $subArray)) {
$result[$subArray[$indexKey]] = $subArray[$columnKey];
}
}
}
return $result;
}
}script diatas khusus PHP < 5.4 yang tidak bisa menggunakan fungsi array_column() yang ada di php > 5.5
if ( !function_exists('convertNumber')) {
function convertNumber( $nope, $whatsappStyle=false ) {
$ci =& get_instance();
$styleNomorWa = ($whatsappStyle) ? '@c.us' : '';
$cekArrayData = is_string($nope); //exit(dump($cekArrayData != true));
$EnamDuaNumber = '';
$NewEnamDuaNumber = '';
// Gerombolan
if ($cekArrayData != true && isset($nope)) {
foreach ($nope as $key => $value) {
$output = preg_replace('/[^0-9]/', '', $value);
$EnamDuaNumber .= ((mb_substr($output, 0, 1) == 0) ? "'62".ltrim($output, 0) : $output).$styleNomorWa."',";
$NewEnamDuaNumber = rtrim($EnamDuaNumber, ',');
}
// Alone
}else{
$output = preg_replace('/[^0-9]/', '', $nope);
$EnamDuaNumber = ((mb_substr($output, 0, 1) == 0) ? "62".ltrim($output, 0) : $output).$styleNomorWa;
$NewEnamDuaNumber = $EnamDuaNumber;
}
return $NewEnamDuaNumber;
}
}Script diatas digunakan untuk merubah format nomor ke nomor international yang bisa ditambahkan di Whatsapp
// source: https://stackoverflow.com/a/15198925
if (!function_exists('isJson')) {
function isJson($string)
{
// decode the JSON data
$result = json_decode($string);
// switch and check possible JSON errors
switch (json_last_error()) {
case JSON_ERROR_NONE:
$error = ''; // JSON is valid // No error has occurred
break;
case JSON_ERROR_DEPTH:
$error = 'The maximum stack depth has been exceeded.';
break;
case JSON_ERROR_STATE_MISMATCH:
$error = 'Invalid or malformed JSON.';
break;
case JSON_ERROR_CTRL_CHAR:
$error = 'Control character error, possibly incorrectly encoded.';
break;
case JSON_ERROR_SYNTAX:
$error = 'Syntax error, malformed JSON.';
break;
// PHP >= 5.3.3
case JSON_ERROR_UTF8:
$error = 'Malformed UTF-8 characters, possibly incorrectly encoded.';
break;
// PHP >= 5.5.0
case JSON_ERROR_RECURSION:
$error = 'One or more recursive references in the value to be encoded.';
break;
// PHP >= 5.5.0
case JSON_ERROR_INF_OR_NAN:
$error = 'One or more NAN or INF values in the value to be encoded.';
break;
case JSON_ERROR_UNSUPPORTED_TYPE:
$error = 'A value of a type that cannot be encoded was given.';
break;
default:
$error = 'Unknown JSON error occured.';
break;
}
if ($error !== '') {
// throw the Exception or exit // or whatever :)
return $error;
}
// everything is OK
return $result;
}
}untuk mengecek apakah return variable berupa json atau apa.
/**
* MySQLi Export
*
* @access private
* @param array Preferences
* @return mixed
* @source https://stackoverflow.com/a/29801337
*/
if ( !function_exists('backupDB')) {
function backupDB($params = array())
{
// Currently unsupported
//---return $this->db->display_error('db_unsuported_feature');
if (count($params) == 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
foreach ((array)$tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array)$ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop == TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert == FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query("SELECT * FROM $table");
if ($query->num_rows() == 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = mysqli_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = (in_array(
//strtolower(mysqli_field_type($query->result_id, $i)),
strtolower($field->type),
array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
TRUE)
) ? TRUE : FALSE;
// Create a string of field names
$field_str .= '`'.$field->name.'`, ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace( "/, $/" , "" , $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
if ($is_int[$i] == FALSE)
{
$val_str .= $this->db->escape($v);
}
else
{
$val_str .= $v;
}
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace( "/, $/" , "" , $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
return $output;
}
}Untuk backup DB melalui PHP