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<?php |
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/** |
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* Explain what CCSS is (visible if no API key is stored). |
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*/ |
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|
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/** |
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* Actual function that explains. |
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*/ |
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function ao_ccss_render_explain() { |
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?> |
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<style> |
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.ao_settings_div {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;} |
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.ao_settings_div .form-table th {font-weight: normal;} |
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</style> |
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<script>document.title = "Autoptimize: <?php esc_html_e( 'Critical CSS', 'autoptimize' ); ?> " + document.title;</script> |
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<ul id="explain-panel"> |
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<div class="ao_settings_div"> |
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<?php |
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$ccss_explanation = ''; |
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|
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if ( apply_filters( 'autoptimize_filter_ccss_rules_without_api', true ) ) { |
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$_transient = 'ao3_ccss_explain'; |
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$_explain_html = 'https://misc.optimizingmatters.com/autoptimize_ccss_explain_ao30_i18n.html?ao_ver='; |
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} else { |
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$_transient = 'ao_ccss_explain'; |
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$_explain_html = 'https://misc.optimizingmatters.com/autoptimize_ccss_explain_i18n.html?ao_ver='; |
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} |
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|
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// get the HTML with the explanation of what critical CSS is. |
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if ( apply_filters( 'autoptimize_settingsscreen_remotehttp', true ) ) { |
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$ccss_explanation = get_transient( $_transient ); |
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if ( empty( $ccss_explanation ) ) { |
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$ccss_expl_resp = wp_remote_get( $_explain_html . AUTOPTIMIZE_PLUGIN_VERSION ); |
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if ( ! is_wp_error( $ccss_expl_resp ) ) { |
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if ( '200' == wp_remote_retrieve_response_code( $ccss_expl_resp ) ) { |
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$ccss_explanation = wp_kses_post( wp_remote_retrieve_body( $ccss_expl_resp ) ); |
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set_transient( $_transient, $ccss_explanation, WEEK_IN_SECONDS ); |
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} |
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} |
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} |
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} |
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|
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// placeholder text in case HTML is empty. |
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if ( empty( $ccss_explanation ) ) { |
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$ccss_explanation = sprintf( esc_html__( '%1$sFix render-blocking CSS!%2$s%3$sSignificantly improve your first-paint times by making CSS non-render-blocking.%4$s%3$sThe %5$snext step is to sign up at %7$shttps://criticalcss.com%8$s%6$s (this is a premium service, priced 2 GBP/month for membership and 5 GBP/month per domain) %5$sand get the API key%6$s, which you can copy from %7$sthe API-keys page%8$s and paste below.%4$s%3$sIf you have any questions or need support, head on over to %9$sour support forum%10$s and we\'ll help you get up and running in no time!%4$s', 'autoptimize' ), '<h2>', '</h2>', '<p>', '</p>', '<strong>', '</strong>', '<a href="https://criticalcss.com/?aff=1" target="_blank">', '</a>', '<a href="https://wordpress.org/support/plugin/autoptimize" target="_blank">', '</a>' ); |
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} else { |
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// we were able to fetch the explenation, so add the JS to show correct language. |
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$ccss_explanation .= "<script>jQuery('.ao_i18n').hide();d=document;lang=d.getElementsByTagName('html')[0].getAttribute('lang').substring(0,2);if(d.getElementById(lang)!= null){jQuery('#'+lang).show();}else{jQuery('#default').show();}</script>"; |
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} |
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|
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// and echo it. |
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echo $ccss_explanation; |
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?> |
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</div> |
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</ul> |
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<?php |
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} |
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|
