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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 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
You &amp; me You <span class="highlight">&amp;</span> me
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/R9n9U on line 19
Process exited with code 255.
preferences:
93.12 ms | 2039 KiB | 4 Q