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<?php $str = "this is a Test String to get the last index of word with an uppercase letter in PHP"; $pattern = "/.*\s([A-Z])(\w+)/"; //$pattern = "/.*\s([A-Z])[A-Z]+/"; preg_match($pattern, $str, $match); var_dump($match); $letter = $match[1]; $word = $match[1] . $match[2]; $position = strrpos($match[1].$match[2], $str); echo $letter . $word. $postion;
Output for 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(3) { [0]=> string(83) "this is a Test String to get the last index of word with an uppercase letter in PHP" [1]=> string(1) "P" [2]=> string(2) "HP" } Warning: Undefined variable $postion in /in/kivK2 on line 16 PPHP
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(3) { [0]=> string(83) "this is a Test String to get the last index of word with an uppercase letter in PHP" [1]=> string(1) "P" [2]=> string(2) "HP" } Warning: Undefined variable $postion in /in/kivK2 on line 16 PPHP
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
array(3) { [0]=> string(83) "this is a Test String to get the last index of word with an uppercase letter in PHP" [1]=> string(1) "P" [2]=> string(2) "HP" } Notice: Undefined variable: postion in /in/kivK2 on line 16 PPHP
Output for 7.3.32 - 7.3.33
array(3) { [0]=> string(83) "this is a Test String to get the last index of word with an uppercase letter in PHP" [1]=> string(1) "P" [2]=> string(2) "HP" } PPHP
preferences:
162.48 ms | 401 KiB | 291 Q