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curl_share_strerror	curl_unescape

cURL Functions	Last updated: Mon, 26 Oct 2026

curl_strerror

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

curl_strerror — Return string describing the given error code

Description

function curl_strerror(int $error_code): ?string

Returns a text error message describing the given error code.

Parameters

error_code: One of the » cURL error codes constants.

Return Values

Returns the error description. For an unknown error code this is "Unknown error".

Examples

Example #1 curl_errno() example

<?php
// Create a curl handle with a misspelled protocol in URL
$ch = curl_init("htp://example.com/");

// Send request
curl_exec($ch);

// Check for errors and display the error message
if($errno = curl_errno($ch)) {
    $error_message = curl_strerror($errno);
    echo "cURL error ({$errno}):\n {$error_message}";
}
?>

The above example will output:

cURL error (1):
 Unsupported protocol

See Also

curl_errno() - Return the last error number
curl_error() - Return a string containing the last error for the current session
» Curl error codes

curl_share_strerror	curl_unescape

cURL Functions	Last updated: Mon, 26 Oct 2026