77 lines
2.3 KiB
PHP
77 lines
2.3 KiB
PHP
<?php
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namespace Blocksy;
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// Mechanism for safely calling functions from the Blocksy theme.
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// In some cases, these functions can be not defined just yet, so we have to
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// handle that gracefully.
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//
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// The caller of this class should be prepared to handle `null` return values.
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//
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// For the blocksy_get_theme_mod() function, the special handling of the null
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// value is not necessary.
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//
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// Right now, only five functions must be protected with this proxy:
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//
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// - blocksy_get_theme_mod()
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// - blocksy_get_variables_from_file()
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// - blocksy_manager()
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// - blocksy_get_search_post_type()
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// - blocksy_has_dynamic_css_in_frontend()
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//
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// If more functions will be called earlier than `after_setup_theme`, they
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// should be added here and should be only called through this proxy object.
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class ThemeFunctions {
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public static $NON_EXISTING_FUNCTION = null;
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public function __call($name, $arguments) {
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if (function_exists($name)) {
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return call_user_func_array($name, $arguments);
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}
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ob_start();
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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_print_backtrace
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debug_print_backtrace();
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$backtrace = ob_get_clean();
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blocksy_companion_debug_log('ThemeFunctions->__call : missing function', [
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'function_name' => $name,
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'is_cli' => defined('WP_CLI') && WP_CLI ? 'yes' : 'no',
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
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'current_script' => $_SERVER['SCRIPT_FILENAME'],
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'backtrace' => $backtrace,
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended
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'request' => $_REQUEST
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]);
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if ($name === 'blocksy_has_dynamic_css_in_frontend') {
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return false;
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}
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if ($name === 'blocksy_get_search_post_type') {
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return [];
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}
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$functions_with_default = [
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'blocksy_get_theme_mod',
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'blocksy_get_variables_from_file',
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];
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// Special case for blocksy_get_theme_mod, when we know the default
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// is the 2nd argument. Other helpers will not be handled like this
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// and the caller are supposed to handle the `null` return value.
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if (in_array($name, $functions_with_default)) {
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if (count($arguments) > 1) {
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return $arguments[1];
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}
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}
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// Every other function should handle the special case of the `null`.
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return self::$NON_EXISTING_FUNCTION;
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}
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}
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