★ Miscellaneous PHP Codes

miscellaneous.php

<?php

//-------------------------------------------------------
// Send Email
//-------------------------------------------------------

$to = '[email protected]';
$subject = 'Test mail';
$message = 'Hello! This is a simple email message.';
$from = '[email protected]';
$header = 'From: ' . $from;

mail( $to, $subject, $message, $header );

echo 'Mail Sent.';

// ToDo: See if mail() returns anything. If so, improve this example.


//-------------------------------------------------------
// Escape $_GET / $_POST Array
//-------------------------------------------------------

// For MySQL

// Escape $_GET elements
foreach ( $_GET as $key => $value )
{
	$_GET[ $key ] = $db->escape_string( $_GET[ $key ] );
}

// Escape $_POST elements
foreach ( $_POST as $key => $value )
{
	$_POST[ $key ] = $db->escape_string( $_POST[ $key ] );
}


// For 	SQLite

// Escape $_GET elements
foreach ( $_GET as $key => $value )
{
	$_GET[ $key ] = $db->escapeString( $_GET[ $key ] );
}

// Escape $_POST elements
foreach ( $_POST as $key => $value )
{
	$_POST[ $key ] = $db->escapeString( $_POST[ $key ] );
}


//-------------------------------------------------------
// Explode / Implode
//-------------------------------------------------------

// Explode / String to Array
$pizza  = 'piece1 piece2 piece3 piece4 piece5 piece6';
$pieces = explode( ' ', $pizza );
echo $pieces[ 0 ], PHP_EOL; // piece1
echo $pieces[ 1 ], PHP_EOL; // piece2

// Ref: https://www.php.net/manual/en/function.explode.php


// Implode / Array to String

$array = [ 'lastname', 'email', 'phone' ];
var_dump( implode( ',', $array ) ); // string(20) "lastname,email,phone"

// The separator is optional
var_dump( implode( [ 'a', 'b', 'c' ] ) ); // string(3) "abc"

// Ref: https://www.php.net/manual/en/function.implode.php


//-------------------------------------------------------
// Miscellaneous
//-------------------------------------------------------

// Todays' date in the format 20XX-XX-XX
echo date( 'Y-m-d' );

// Todays' date in the format XX-XX-XX hour:min:sec
echo date( 'y-m-d h:i:sa' );


// Decode 'encodeURIComponent' encoded string
urldecode(  );