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<?php /* https://www.php.net/manual/en/function.ctype-print.php Returns true if every character in text will actually create output (including blanks). Returns false if text contains control characters or characters that do not have any output or control function at all. */ function ctype_print_utf(string $string): bool { return preg_match('/[[:cntrl:]]/', $string) === 0; } $items = ["Curaçao", "Curaçao\n"]; foreach ($items as $item) { var_dump($item, ctype_print_utf($item)); }
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
string(8) "Curaçao" bool(true) string(9) "Curaçao " bool(false)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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(8) "Curaçao" bool(true) string(9) "Curaçao " bool(false)
preferences:
189.75 ms | 409 KiB | 5 Q