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<?php function sanitize($html) { return htmlspecialchars($html); } function sanitize_and_highlight_search_result($data, $query){ $sanitized = sanitize($data); $query = sanitize($query); return str_replace( $query, '<span class="highlight">' . $query . '</span>', $sanitized ); } echo sanitize_and_highlight_search_result("You & me", "&am"); // Shouldn't be found echo "\n"; echo sanitize_and_highlight_search_result("You & me", "&"); // Should be found and highlighted
Output for rfc.property-hooks, git.master, git.master_jit
You &amp; me You <span class="highlight">&amp;</span> me

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