This filter is documented in core/src/wp-includes/post-template.php
get_the_excerpt
get_the_excerpt-
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filter jetpack_default_gallery_typeFilter the default gallery type.
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filter jetpack_gallery_typesFilter the available gallery types.
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filter jetpack_can_make_outbound_httpsDetermines whether Jetpack can send outbound https requests to the WPCOM api.
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filter jetpack_client_verify_ssl_certsSSL verification (`sslverify`) for the JetpackClient remote request defaults to off, use this filter to force it on. Return `true` to ENABLE SSL verification, return `false` to DISABLE SSL verification.
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action jetpack_module_more_info_{$item['module']}This action is documented in class.jetpack-admin.php
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action jetpack_module_more_info_connected_{$item['module']}This action is documented in class.jetpack-admin.php
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action jetpack_learn_more_button_{$item['module']}This action is documented in class.jetpack-admin.php
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filter jetpack_short_module_descriptionFilters each module’s short description.
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filter jetpack_modules_list_table_js_template_callbackFilters the js_templates callback value.
Jetpack Developer Resources 