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<?php function validateTwoDecimalOrNull($number) { if($number == null || preg_match('/^[0-9]+\.[0-9]{2}$/', $number)) return true; else return false; } echo "Greater than 2 decimal places=".validateTwoDecimalOrNull(12.22444); echo PHP_EOL; echo "Null value=".validateTwoDecimalOrNull(null); echo PHP_EOL; echo "2 decimal places=".validateTwoDecimalOrNull(12.22); ?>
Output for 7.1.0 - 7.1.33, 7.2.0 - 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
Greater than 2 decimal places= Null value=1 2 decimal places=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 Greater than 2 decimal places= Null value=1 2 decimal places=1
preferences:
175.75 ms | 402 KiB | 210 Q