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Viewing / Editing File: functions.php

<?php
    /*
		Title Function That Echo The Page Title In Case The Page Has The Variable $pageTitle And Echo Default Title For Other Pages
	*/
	function getTitle()
	{
		global $pageTitle;
		if(isset($pageTitle))
			echo $pageTitle." | Barbershop Website";
		else
			echo "Barbershop Website";
	}

/*
		This function returns the number of items in a given table
	*/

function countItems($item,$table)
	{
		global $con;
		$stat_ = $con->prepare("SELECT COUNT($item) FROM $table");
		$stat_->execute();
		
		return $stat_->fetchColumn();
	}

/*
	
	** Check Items Function
	** Function to Check Item In Database [Function with Parameters]
	** $select = the item to select [Example : user, item, category]
	** $from = the table to select from [Example : users, items, categories]
	** $value = The value of select [Example: Ossama, Box, Electronics]

*/
	function checkItem($select, $from, $value)
	{
		global $con;
		$statment = $con->prepare("SELECT $select FROM $from WHERE $select = ? ");
		$statment->execute(array($value));
		$count = $statment->rowCount();
		
		return $count;
	}

/*
    	==============================================
    	TEST INPUT FUNCTION, IS USED FOR SANITIZING USER INPUTS
    	AND REMOVE SUSPICIOUS CHARS and Remove Extra Spaces
    	==============================================
	
	*/

function test_input($data) 
  	{
      	$data = trim($data);
      	$data = stripslashes($data);
      	$data = htmlspecialchars($data);
      	return $data;
  	}

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