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<?php $parsing_regex_arguments = '`"((?:\\"|[^"])+)"|([^\s]+)`'; $test = 'arg1 arg2 "arg3" "test \"2\"" arg4'; $matches = array(); preg_match_all($parsing_regex_arguments, $test, $matches); var_dump($matches);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 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(3) { [0]=> array(4) { [0]=> string(4) "arg1" [1]=> string(4) "arg2" [2]=> string(19) ""arg3" "test \"2\""" [3]=> string(4) "arg4" } [1]=> array(4) { [0]=> string(0) "" [1]=> string(0) "" [2]=> string(17) "arg3" "test \"2\"" [3]=> string(0) "" } [2]=> array(4) { [0]=> string(4) "arg1" [1]=> string(4) "arg2" [2]=> string(0) "" [3]=> string(4) "arg4" } }
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]=> array(4) { [0]=> string(4) "arg1" [1]=> string(4) "arg2" [2]=> string(19) ""arg3" "test \"2\""" [3]=> string(4) "arg4" } [1]=> array(4) { [0]=> string(0) "" [1]=> string(0) "" [2]=> string(17) "arg3" "test \"2\"" [3]=> string(0) "" } [2]=> array(4) { [0]=> string(4) "arg1" [1]=> string(4) "arg2" [2]=> string(0) "" [3]=> string(4) "arg4" } }

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