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<?php $str = 'Hello World!'; var_dump(\unpack('A16', \pack('A16', $str))[1]); // Decoding "space padded string" strips added spaces var_dump(\unpack('a16', \pack('A16', $str))[1]); // Decoding "null padded string" leaves them there
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
string(12) "Hello World!" string(16) "Hello World! "
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 string(12) "Hello World!" string(16) "Hello World! "
preferences:
130.66 ms | 402 KiB | 157 Q