Output:<\/strong><\/p>\n![\"PHP](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172490817263515.png\")
<\/p>\n
In the above program, we can see when we are writing PHP code in HTML structure; we start with “< ?php”, then we write the code, and at the end, the closing tag for PHP code is “? >”. It has an array(5), which means it has 5 elements in an array. Suppose we have not set anything or have not passed the asso_arr parameter such as “var_dump(json_decode($json_string));” then this value would give us access to the property of the object in an array as shown in the below screenshot.<\/p>\n\n\n
![\"PHP](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172490817395731.png\")
<\/p>\n
Now we will see an example below: an invalid JSON format and passing this string to the json_decode() function and what error and output it will give. We will also see how to print those arrays, which can be accessed using the “echo” function in the below section.<\/p>\n
Example #2<\/h4>\n
In the below program, we will see how to access an element of an array using the echo function.<\/p>\n
Code:<\/strong><\/p>\n\n\n\nEducba- PHP json_decode<\/title>\n<\/head>\n<body>
<h1><a href="http://m.miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\n<?php\n$json_string = '[\n{\n\"Companyname\": \"Educba\",\n\"Director\": \"Snehal\",\n\"phnumber\": \"89945954874\"\n},\n{\n\"Companyname\": \"Google\",\n\"Director\": \"Ann\",\n\"phnumber\": \"9877564694\"\n}\n]';\n$x = json_decode($json_string);\necho $x[0]->Companyname;\n?>\n<\/body>\n<\/html><\/pre>\n<p><strong>Output:<\/strong><\/p>\n<p><img src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172490817579936.png\" alt=\"PHP json_decode\" ><\/p>\n<p>In the above program, we can see when we have declared a json_string and accessed any of the elements in the array; we use array[index] in any programming language. similarly, we write it with the echo function, and in the above code, we have to observe that we have not passed the asso_arr parameter in the json_decode() function, so to access the element, we have to write “echo $x[0]-> Companyname;” and if we set the second parameter to “true” then we have to write “echo $x[0][‘Companyname’];”.<\/p>\n\n\n<h4>Example #3<\/h4>\n<p>In the below, we will see passing an invalid JSON string to the function and try printing the errors also.<\/p>\n<p><strong>Code:<\/strong><\/p>\n<pre><!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<title>Educba- PHP json_decode<\/title>\n<\/head>\n<body>\n<?php\n$json_string = '[\n{\n\"Companyname\": \"Educba\"\n\"Director\": \"Snehal\"\n\"phnumber\": \"89945954874\"\n\"Companyname\": \"Google\"\n\"Director\": \"Ann\"\n\"phnumber\": \"9877564694\"\n}\n]';\n$x = json_decode($json_string);\necho $x[0]->Companyname;\necho json_last_error();\necho json_last_error_msg();\n?>\n<\/body>\n<\/html><\/pre>\n<p><strong>Output:<\/strong><\/p>\n<p><img src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172490817857713.png\" alt=\"PHP json_decode\" ><\/p>\n<p>We print the error information, such as “4 syntax errors,” using the json_last_error() and json_last_error_msg() functions. These functions provide details about the errors related to the PHP code written in the example above. If we don’t want to print any error messages using the error functions, the output will be “null,” indicating that the converted PHP objects or the JSON data itself are invalid.<\/p>\n<p><img src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/000\/172490818020372.png\" alt=\"PHP json_decode\" ><\/p>"} </script>
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<a href="#Working-of-Json-decode-in-PHP" title="Working of Json_decode() in PHP" >Working of Json_decode() in PHP</a>
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<a href="#Examples-of-PHP-json-decode" title="Examples of PHP json_decode" >Examples of PHP json_decode</a>
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<a href="#Example" title="Example #3" >Example #3</a>
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<span>PHP json_decode</span>
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<h1 class="Articlelist_txts_title">PHP json_decode</h1>
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<span id="377j5v51b" class="Articlelist_txts_time">Aug 29, 2024 pm 01:09 PM</span>
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<span id="377j5v51b" class="Articlelist_txts_infoss on">php</span>
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<p>In PHP, the inbuilt function json_decode() function is defined as a function; as its name suggests it is a function for conversion of any JSON a standard text format objects or decoding of JSON objects to PHP objects, taking a JSON string as a parameter which this function converts or decodes it and returns the encoded values which were in JSON into proper PHP objects. The PHP generally provides a function that takes a JSON string that usually represents a javascript array or object literals for converting this encoded string in JSON format to a particular PHP object data type.</p>
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<h3 id="Working-of-Json-decode-in-PHP">Working of Json_decode() in PHP</h3>
<p>In this article, json_decode() is an inbuilt function provided by PHP for converting or decoding the JSON string into PHP objects.?In PHP, the <code>json_decode()</code> function decodes a JSON string and converts it into PHP objects or data types. It takes the JSON data as a parameter and returns the corresponding PHP representation.</p>
<p>In the below section, we will see syntax and examples of using the json_decode() function:</p>
<p><strong>Syntax:</strong></p>
<pre class="brush:php;toolbar:false">json_decode(json_string, asso_arr, recur_depth, opt<em>)</em></pre>
<p><strong>Parameters:</strong></p>
<p>Json_string: this parameter is compulsory to specify the JSON-encoded string for converting it into PHP objects</p>
<ul>
<li>
<strong>Asso_arr:</strong> this parameter is used to specify the Boolean values that can return an associated array if the value is set to true, else returns an object if it is set to false. This parameter is optional and has false as the default value.</li>
<li>
<strong>Recur_depth:</strong> this parameter is used to specify the depth of the recursion, and this is also an optional parameter with 512 as a default value.</li>
<li>
<strong>Opt:</strong> this parameter is used to specify the bitmask of JSON_OBJECT_AS_ARRAY, JSON_BIGINT_AS_STRING, JSON_INVALID_UTF8_SUBSTITUTE,, JSON_THROW_ON_ERROR and this is also an optional parameter.</li>
</ul>
<p>Now let us see a simple example that uses json_decode() of PHP in an HTML structure.</p>
<h3 id="Examples-of-PHP-json-decode">Examples of PHP json_decode</h3>
<p>Following are the examples are given below:</p>
<h4 id="Example">Example #1</h4>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><!DOCTYPE html>
<html lang="en">
<head>
<title>Educba- PHP json_decode</title>
</head>
<body>
<?php
$json_string = '{
"CompayName": "Educba",
"Director": "Snehal",
"Employee": "Amardeep",
"address": {
"ColonyName": "Shivaji road",
"city": "Baramati",
"state": "Maharashtra",
"postalCode": "1234567"
},
"TelephoneNumbers": [
{ "type": "Work", "phonenumber": "9876543210" }
]
}';
var_dump(json_decode($json_string, true));
?>
</body>
</html></pre>
<p><strong>Output:</strong></p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172490817263515.png" class="lazy" alt="PHP json_decode" ></p>
<p>In the above program, we can see when we are writing PHP code in HTML structure; we start with “< ?php”, then we write the code, and at the end, the closing tag for PHP code is “? >”. It has an array(5), which means it has 5 elements in an array. Suppose we have not set anything or have not passed the asso_arr parameter such as “var_dump(json_decode($json_string));” then this value would give us access to the property of the object in an array as shown in the below screenshot.</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172490817395731.png" class="lazy" alt="PHP json_decode" ></p>
<p>Now we will see an example below: an invalid JSON format and passing this string to the json_decode() function and what error and output it will give. We will also see how to print those arrays, which can be accessed using the “echo” function in the below section.</p>
<h4 id="Example">Example #2</h4>
<p>In the below program, we will see how to access an element of an array using the echo function.</p>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><!DOCTYPE html>
<html lang="en">
<head>
<title>Educba- PHP json_decode</title>
</head>
<body>
<?php
$json_string = '[
{
"Companyname": "Educba",
"Director": "Snehal",
"phnumber": "89945954874"
},
{
"Companyname": "Google",
"Director": "Ann",
"phnumber": "9877564694"
}
]';
$x = json_decode($json_string);
echo $x[0]->Companyname;
?>
</body>
</html></pre>
<p><strong>Output:</strong></p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172490817579936.png" class="lazy" alt="PHP json_decode" ></p>
<p>In the above program, we can see when we have declared a json_string and accessed any of the elements in the array; we use array[index] in any programming language. similarly, we write it with the echo function, and in the above code, we have to observe that we have not passed the asso_arr parameter in the json_decode() function, so to access the element, we have to write “echo $x[0]-> Companyname;” and if we set the second parameter to “true” then we have to write “echo $x[0][‘Companyname’];”.</p>
<h4 id="Example">Example #3</h4>
<p>In the below, we will see passing an invalid JSON string to the function and try printing the errors also.</p>
<p><strong>Code:</strong></p>
<pre class="brush:php;toolbar:false"><!DOCTYPE html>
<html lang="en">
<head>
<title>Educba- PHP json_decode</title>
</head>
<body>
<?php
$json_string = '[
{
"Companyname": "Educba"
"Director": "Snehal"
"phnumber": "89945954874"
"Companyname": "Google"
"Director": "Ann"
"phnumber": "9877564694"
}
]';
$x = json_decode($json_string);
echo $x[0]->Companyname;
echo json_last_error();
echo json_last_error_msg();
?>
</body>
</html></pre>
<p><strong>Output:</strong></p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172490817857713.png" class="lazy" alt="PHP json_decode" ></p>
<p>We print the error information, such as “4 syntax errors,” using the json_last_error() and json_last_error_msg() functions. These functions provide details about the errors related to the PHP code written in the example above. If we don’t want to print any error messages using the error functions, the output will be “null,” indicating that the converted PHP objects or the JSON data itself are invalid.</p>
<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/172490818020372.png" class="lazy" alt="PHP json_decode" ></p><p>The above is the detailed content of PHP json_decode. For more information, please follow other related articles on the PHP Chinese website!</p>
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<a href="http://m.miracleart.cn/ai/undress-ai-tool" title="Undress AI Tool" class="phpmain_tab2_mids_top_img">
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<a href="http://m.miracleart.cn/ai/undress-ai-tool" title="Undress AI Tool" class="phpmain_tab2_mids_title">
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<a href="http://m.miracleart.cn/ai/ai-clothes-remover" title="AI Clothes Remover" class="phpmain_tab2_mids_title">
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<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 04, 2025 am 02:58 AM</span>
<p class="Articlelist_txts_p">When you encounter the prompt "This operation requires escalation of permissions", it means that you need administrator permissions to continue. Solutions include: 1. Right-click the "Run as Administrator" program or set the shortcut to always run as an administrator; 2. Check whether the current account is an administrator account, if not, switch or request administrator assistance; 3. Use administrator permissions to open a command prompt or PowerShell to execute relevant commands; 4. Bypass the restrictions by obtaining file ownership or modifying the registry when necessary, but such operations need to be cautious and fully understand the risks. Confirm permission identity and try the above methods usually solve the problem.</p>
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<a href="http://m.miracleart.cn/faq/1796828540.html" title="How to create an array in php?" class="phphistorical_Version2_mids_title">How to create an array in php?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 02, 2025 pm 05:01 PM</span>
<p class="Articlelist_txts_p">There are two ways to create an array in PHP: use the array() function or use brackets []. 1. Using the array() function is a traditional way, with good compatibility. Define index arrays such as $fruits=array("apple","banana","orange"), and associative arrays such as $user=array("name"=>"John","age"=>25); 2. Using [] is a simpler way to support since PHP5.4, such as $color</p>
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<a href="http://m.miracleart.cn/faq/1796828535.html" title="php raw post data php" class="phphistorical_Version2_mids_title">php raw post data php</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 02, 2025 pm 04:51 PM</span>
<p class="Articlelist_txts_p">The way to process raw POST data in PHP is to use $rawData=file_get_contents('php://input'), which is suitable for receiving JSON, XML, or other custom format data. 1.php://input is a read-only stream, which is only valid in POST requests; 2. Common problems include server configuration or middleware reading input streams, which makes it impossible to obtain data; 3. Application scenarios include receiving front-end fetch requests, third-party service callbacks, and building RESTfulAPIs; 4. The difference from $_POST is that $_POST automatically parses standard form data, while the original data is suitable for non-standard formats and allows manual parsing; 5. Ordinary HTM</p>
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<a href="http://m.miracleart.cn/faq/1796832599.html" title="How to handle File Uploads securely in PHP?" class="phphistorical_Version2_mids_title">How to handle File Uploads securely in PHP?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 08, 2025 am 02:37 AM</span>
<p class="Articlelist_txts_p">To safely handle PHP file uploads, you need to verify the source and type, control the file name and path, set server restrictions, and process media files twice. 1. Verify the upload source to prevent CSRF through token and detect the real MIME type through finfo_file using whitelist control; 2. Rename the file to a random string and determine the extension to store it in a non-Web directory according to the detection type; 3. PHP configuration limits the upload size and temporary directory Nginx/Apache prohibits access to the upload directory; 4. The GD library resaves the pictures to clear potential malicious data.</p>
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<a href="http://m.miracleart.cn/faq/1796832616.html" title="How Do You Pass Variables by Value vs. by Reference in PHP?" class="phphistorical_Version2_mids_title">How Do You Pass Variables by Value vs. by Reference in PHP?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 08, 2025 am 02:42 AM</span>
<p class="Articlelist_txts_p">InPHP,variablesarepassedbyvaluebydefault,meaningfunctionsorassignmentsreceiveacopyofthedata,whilepassingbyreferenceallowsmodificationstoaffecttheoriginalvariable.1.Whenpassingbyvalue,changestothecopydonotimpacttheoriginal,asshownwhenassigning$b=$aorp</p>
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