php num rows

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Eleonora
13 Jul 2019
1mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
2$link = mysqli_connect("host", "username", "password","db_name");
3mysqli_set_charset($link, "utf8mb4");
4
5$result = mysqli_query($link, "SELECT count(*) FROM blackandwhite");
6$num_rows = mysqli_fetch_row($result)[0];
7
8echo "$num_rows Rows\n";
9
source
Eric
24 Mar 2017
1<?php 
2/*
3Explination 
4The mysqli_num_rows() function is an inbuilt function in PHP 
5which is used to return the number of rows present in the result set. 
6It is generally used to check if data is present in the database or not. 
7To use this function, it is mandatory to first set up the connection with the MySQL database.
8*/
9	// Setting up connection with database Geeks 
10	$con = mysqli_connect("localhost", "root", "", "testing"); 
11	
12	// Check connection 
13	if (mysqli_connect_errno()) { 
14		echo "Database connection failed."; 
15	} 
16	// Fetch Query
17	$query = "SELECT Username, Password FROM users"; 
18	
19	// Execute the query and store the result set 
20	$result = mysqli_query($con, $query); 
21	
22	if ($result) { 
23		// it return number of rows in the table. 
24		$row = mysqli_num_rows($result); 
25		if ($row) { 
26			 	printf("Number of row in the table : " . $row); 
27			} 
28		// close the result. 
29		mysqli_free_result($result); 
30	} 
31
32// Output : Number of row in the table : 5
33?> 
34
Rodrigo
24 Sep 2019
1// Fetch Query
2$query = "SELECT user_name from registered_users where user_name like '%ank%'"; 
3
4// Execute the query and store the result set 
5$result = mysqli_query($con, $query); 
6
7if ($result) { 
8  // it return number of rows in the table. 
9  $row = mysqli_num_rows($result); 
10}
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