New and updated in 3.0.0
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function__return_true()
Returns true.
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function__return_false()
Returns false.
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function__return_zero()
Returns 0.
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functionis_main_site()
Determines whether a site is the main site of the current network.
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functionglobal_terms_enabled()
Determines whether global terms are enabled.
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function_deprecated_argument()
Marks a function argument as deprecated and inform when it has been used.
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Fires when a deprecated argument is called.
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Filters whether to trigger an error for deprecated arguments.
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functionwp_parse_id_list()
Cleans up an array, comma- or space-separated list of IDs.
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functionwp_filter_object_list()
Filters a list of objects, based on a set of key => value arguments.
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Filters the “real” file type of the given file.
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hookwp_die_handler
Filters the callback for killing WordPress execution for all non-Ajax, non-JSON, non-XML requests.
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function_default_wp_die_handler()
Kills WordPress execution and displays HTML page with an error message.
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hookwp_upload_bits
Filters whether to treat the upload bits as an error.
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functionwp_check_filetype_and_ext()
Attempts to determine the real file type of a file.
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Filters the list mapping image mime types to their respective extensions.
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hookrobots_txt
Filters the robots.txt output.
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methodWP_Locale::is_rtl()
Checks if current locale is RTL.
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functionis_rtl()
Determines whether the current locale is right-to-left (RTL).
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hooktemplate_include
Filters the path of the current template before including it.
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functionis_object_in_taxonomy()
Determines if the given object type is associated with the given taxonomy.
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hookpre_insert_term
Filters a term before it is sanitized and inserted into the database.
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functionterm_exists()
Determines whether a taxonomy term exists.
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functionwp_functionality_constants()
Defines functionality-related WordPress constants.