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<?php |
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defined( 'ABSPATH' ) or die( 'Cheatin\' uh?' ); |
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|
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/** |
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* Check if external requests are blocked for Imagify. |
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* |
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* @since 1.0 |
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* |
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* return bool True if Imagify API can't be called |
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*/ |
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function is_imagify_blocked() { |
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if ( ! defined( 'WP_HTTP_BLOCK_EXTERNAL' ) || ! WP_HTTP_BLOCK_EXTERNAL ) { |
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return false; |
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} |
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|
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if ( defined( 'WP_ACCESSIBLE_HOSTS' ) ) { |
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$accessible_hosts = explode( ',', WP_ACCESSIBLE_HOSTS ); |
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$accessible_hosts = array_map( 'trim', $accessible_hosts ); |
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|
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if ( in_array( '*.imagify.io', $accessible_hosts ) ) { |
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return false; |
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} |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Determine if the Imagify API is available by checking the API version. |
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* |
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* @since 1.0 |
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* |
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* @return bool True if the Imagify API is available. |
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*/ |
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function is_imagify_servers_up() { |
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static $imagify_api_version = null; |
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|
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if ( null !== $imagify_api_version ) { |
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return $imagify_api_version; |
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} |
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|
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$transient_name = 'imagify_check_api_version'; |
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$transient_expiration = 3 * MINUTE_IN_SECONDS; |
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|
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if ( get_site_transient( $transient_name ) ) { |
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$imagify_api_version = true; |
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return true; |
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} |
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|
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if ( is_wp_error( get_imagify_api_version() ) ) { |
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$imagify_api_version = false; |
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set_site_transient( $transient_name, 0, $transient_expiration ); |
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|
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return false; |
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} |
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|
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$imagify_api_version = true; |
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set_site_transient( $transient_name, 1, $transient_expiration ); |
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|
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return true; |
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} |
