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<?php function highlightWords($content) { $arr=array("php", "and sql", "sql"); $arr = array_map(function($v){ return "/\b(" . preg_quote($v, "/") . ")\b/i"; }, $arr); print_r($arr); $content=preg_replace($arr, '<a href="#">$1</a>', $content, 1); return $content; } echo highlightWords("This text will highlight PHP and SQL and sql but not PHPRO or MySQL or sqlite");
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => /\b(php)\b/i [1] => /\b(and sql)\b/i [2] => /\b(sql)\b/i ) This text will highlight <a href="#">PHP</a> <a href="#">and <a href="#">SQL</a></a> and sql but not PHPRO or MySQL or sqlite
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => /\b(php)\b/i [1] => /\b(and sql)\b/i [2] => /\b(sql)\b/i ) This text will highlight <a href="#">PHP</a> <a href="#">and <a href="#">SQL</a></a> and sql but not PHPRO or MySQL or sqlite
preferences:
176.61 ms | 402 KiB | 227 Q