How to write into a file in PHP?

The fwrite function is used in PHP to write to a file. It is overloaded, which means that it accepts various data types, such as string, integer, floating point,s, and more. In our example, we will show you how to use this function to write into a file in PHP. Writing information into a file on the server can be done by using the fwrite function.

file_put_contents php json file

Waved Albatross on Nov 10, 2019

$data[] = $_POST['data'];

$inp = file_get_contents('results.json');
$tempArray = json_decode($inp);
array_push($tempArray, $data);
$jsonData = json_encode($tempArray);
file_put_contents('results.json', $jsonData);

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stristr php

Joyous Jaguar on Apr 06, 2020

<?php
  $string = 'Hello World!';
  if(stristr($string, 'terre') === FALSE) {
   echo '"terre" non trouvé dans la chaîne de caractères';
  }
// affiche : "terre" non trouvé dans la chaîne de caractères
?>

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php superglobals

JSMD on May 13, 2020

#Superglobal

$_SERVER Superglobal
Superglobals were introduced in PHP 4.1.0, and are built-in variables 
  that are always available in all scopes. Basically system variables.
https://www.w3schools.com/php/php_superglobals.asp

Note: $_SERVER Superglobal  -- tells a little about the server and 
  the client

==============
#Example index.php
<?php include 'server-info.php';?>
<!DOCTYPE html>
<html>
<head>
    <title>System Info</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
</head>
<body>
<div class ="container">
    <h1>Server & File Info</h1>
    <?php if($server): ?>
    <ul class="list-group">
    <?php foreach($server as $key => $value): ?>
        <li class="list-group-item">
            <strong><?php echo $key; ?>: </strong>
            <?php echo $value; ?>
        </li>
    <?php endforeach; ?>
    </ul>

    <?php endif; ?>

    <h1>Client Info</h1>
    <?php if($client): ?>
    <ul class="list-group">
    <?php foreach($client as $key1 => $value1): ?>
        <li class="list-group-item">
            <strong><?php echo $key1; ?>: </strong>
            <?php echo $value1; ?>
        </li>
    <?php endforeach; ?>
    </ul>

    <?php endif; ?>

</body>
</html>
==================
#Example server-info.php
<?php
    # $_SERVER SUPERGLOBAL

    //Create Server Array
    $server =[
        'Host Server Name' => $_SERVER['SERVER_NAME'],
        'Http Host' => $_SERVER['HTTP_HOST'],
        'Server Software' => $_SERVER['SERVER_SOFTWARE'],
        'Document Root' => $_SERVER['DOCUMENT_ROOT'],
        'Current Page' =>  $_SERVER['PHP_SELF'],
        'Script Name' =>  $_SERVER['SCRIPT_NAME'],
        'Absloute Path' =>  $_SERVER['SCRIPT_FILENAME']

    ];

    echo $server['Host Server Name'];
    echo $server['Http Host'];
    echo $server['Server Software'];
    echo $server['Document Root'];
    echo $server['Current Page'];
    echo $server['Script Name'];
    echo '<br>';
    //also can show it all
    print_r($server);

    //Creat Client Array
    $client = [
        'Client System Info' => $_SERVER['HTTP_USER_AGENT'],
        'Client IP' => $_SERVER['REMOTE_ADDR'],
        'Remote Port' => $_SERVER['REMOTE_PORT']

    ];
    echo '<br>';
    echo '<br>';
    print_r($client);

?>

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php file_put_contents

Xediri on Jun 11, 2020

file_put_contents ($filename, $data, $flags = 0, $context = null): int

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The function will accept three arguments - filename, data to write, and length of said data, it can return a value of true or false depending on whether it was successful or not.

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How to write into a file in PHP?

file_put_contents php json file

stristr php

php superglobals

php file_put_contents

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