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PHP Date Exercises : Convert the date to timestamp

PHP date: Exercise-6 with Solution

Write a PHP script to convert the date to timestamp.

Sample date : 12-05-2014

Sample Solution:

PHP Code:

<?php
$timestamp = strtotime('12-05-2014');
echo $timestamp."\n";
?>

Sample Output:

1399833000

Flowchart :

Flowchart: Convert the date to timestamp

PHP Code Editor:

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Previous: Write a PHP script to convert a date from yyyy-mm-dd to dd-mm-yyyy.
Next: Write a PHP script to calculate number of days between two dates.

What is the difficulty level of this exercise?



PHP: Tips of the Day

SQL injection that gets around mysql_real_escape_string()

Consider the following query:

$iId = mysql_real_escape_string("1 OR 1=1");    
$sSql = "SELECT * FROM table WHERE id = $iId";

mysql_real_escape_string() will not protect you against this. The fact that you use single quotes (' ') around your variables inside your query is what protects you against this. The following is also an option:

$iId = (int)"1 OR 1=1";
$sSql = "SELECT * FROM table WHERE id = $iId";

Ref : https://bit.ly/32q3bJ7