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<?php function accountHash($accountNumber) { return array_sum( preg_split('//u', mb_substr($accountNumber, -6), null, PREG_SPLIT_NO_EMPTY) ); } var_dump(accountHash('9876543210')); var_dump(accountHash('321')); var_dump(accountHash('Hello, World!'));
Output for 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 int(15) Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 int(6) Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 Warning: array_sum(): Addition is not supported on type string in /in/GRdGN on line 5 int(0)
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 int(15) Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 int(6) Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GRdGN on line 6 int(0)
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
int(15) int(6) int(0)
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