WordPress Developer Resources

apply_filters( ‘http_allowed_safe_ports’, int[] $allowed_ports, string $host, string $url )

Controls the list of ports considered safe in HTTP API.

Description

Allows to change and allow external requests for the HTTP request.

Parameters

$allowed_portsint[]: Array of integers for valid ports.
$hoststring: Host name of the requested URL.
$urlstring: Requested URL.

Source

$allowed_ports = apply_filters( 'http_allowed_safe_ports', array( 80, 443, 8080 ), $host, $url );

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Changelog

Version	Description
5.9.0	Introduced.

User Contributed Notes

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jarmot 2 years ago

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By default, WordPress considers ports 80, 8080 and 443 as “safe”.

Example code snippet of changing allowed ports to 80, 8080, 443 and 3000:
```
add_filter( 'http_allowed_safe_ports', 'wpdocs_allowed_ports' );

function wpdocs_allowed_ports( $ports ) {
    $ports = array( 80, 443, 8080, 3000 );

    return $ports;
}
```
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