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<?php function highlight($text, $words) { preg_match_all ( '~[\w\'\"]+~', $words, $m ); if (! $m) return $text; $re = '~\\b(' . implode ( '|', $m [0] ) . ')\\b~i'; return preg_replace ( $re, '<em>$0</em>', $text ); } $text = "this is Mechanic's test"; $word = "Mechanic's"; echo highlight($text,$word); $text = 'this is Mechanic"s test'; $word = 'Mechanic"s'; echo "\n".highlight($text,$word); $text = 'this is Mechanics test'; $word = 'Mech'; echo "\n".highlight($text,$word); echo "\n".str_replace($words,"<em>$words</em>",$text) ;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
this is <em>Mechanic's</em> test this is <em>Mechanic"s</em> test this is Mechanics test Warning: Undefined variable $words in /in/7gQT1 on line 25 Warning: Undefined variable $words in /in/7gQT1 on line 25 Deprecated: str_replace(): Passing null to parameter #1 ($search) of type array|string is deprecated in /in/7gQT1 on line 25 this is Mechanics test
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 this is <em>Mechanic's</em> test this is <em>Mechanic"s</em> test this is Mechanics test Warning: Undefined variable $words in /in/7gQT1 on line 25 Warning: Undefined variable $words in /in/7gQT1 on line 25 Deprecated: str_replace(): Passing null to parameter #1 ($search) of type array|string is deprecated in /in/7gQT1 on line 25 this is Mechanics test
Output for 8.0.0 - 8.0.30
this is <em>Mechanic's</em> test this is <em>Mechanic"s</em> test this is Mechanics test Warning: Undefined variable $words in /in/7gQT1 on line 25 Warning: Undefined variable $words in /in/7gQT1 on line 25 this is Mechanics test
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
this is <em>Mechanic's</em> test this is <em>Mechanic"s</em> test this is Mechanics test Notice: Undefined variable: words in /in/7gQT1 on line 25 Notice: Undefined variable: words in /in/7gQT1 on line 25 this is Mechanics test
Output for 7.3.32 - 7.3.33
this is <em>Mechanic's</em> test this is <em>Mechanic"s</em> test this is Mechanics test this is Mechanics test
preferences:
165.06 ms | 401 KiB | 187 Q