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<?php $callback = function ($matches) { $string = $matches[1]; $string = str_replace(' ', '', $string); // remove unwanted whitespace $string = str_replace('(,', '(', $string); // remove unwanted comma $string = str_replace(',)', ')', $string); // remove unwanted comma $string = str_replace(',,', ',', $string); return $string; }; $string = '(`anurag`, 1,2), (1,2,3, `dm0c60544`),(2 ,3 ,3) '; $pattern = '#`.+`#'; // our regex pattern $string = preg_replace_callback($pattern, $callback, $string); //replace backticked text and the following comma echo $string;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined array key 1 in /in/I6B5K on line 5 Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/I6B5K on line 6 (),(2 ,3 ,3)
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 Warning: Undefined array key 1 in /in/I6B5K on line 5 Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/I6B5K on line 6 (),(2 ,3 ,3)
Output for 8.0.0 - 8.0.30
Warning: Undefined array key 1 in /in/I6B5K on line 5 (),(2 ,3 ,3)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 1 in /in/I6B5K on line 5 (),(2 ,3 ,3)
Output for 7.3.32 - 7.3.33
(),(2 ,3 ,3)

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