Codeigniter check around count

PHP

$this->db
  ->where(['field'=>'foo'])
  ->from("tablename")
  ->count_all_results();

//OR 
$this->db
  ->where(['field'=>'foo'])
  ->count_all_results("tablename");$this->db->select('id');
$this->db->from('table');
$this->db->where($your_conditions);
$num_results = $this->db->count_all_results();

Source

Also in PHP:

500 server error laravel handle
composer create-project –-prefer-dist laravel/laravel install "5.8"
Tests\Feature\BlogTest > user can delete post 162 Illuminate\Encryption\MissingAppKeyException No application encryption key has been specified.
date / time formatter php
array reverse php
echo errors of php
Allowed memory size of 1610612736 bytes exhausted laravel 8
display al errros php
Class 'App\Http\Controllers\View' not found
file upload in php through ajax
errorLevel php no warnings
check array key exists php js
download php 7.4 ubuntu
cache get laravel
echo in json format php
$tmpmembershipfee = MembershipFee::orderBy('created_at','DESC') ->first();
check variable type in laravel
Customer::insert([ 'customer_name' => $request->customer_name, 'customer_mobile'=> $request->customer_mobile, 'user_id'=>Auth::user()->id, 'created_at'=> Carbon::now() ]);
Class 'Pusher' not found
deprcation problem phpmyadmin ubuntu
after validate credential header is not redirect to another page in php in live server
date php W_z
divisible by 2 php output numbers
composer install laravel