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<?php function verifyUsername($x){ if (preg_match('/[^a-z]/i',$x)) { return 0; } else { return 1; } } function verifyEmailAdd($x){ if (!filter_var($x, FILTER_VALIDATE_EMAIL)) { return 0; } else { return 1; } } var_dump(verifyUsername("45wqadf")); var_dump(verifyUsername("wqadf")); var_dump(verifyEmailAdd("45wqadf@&%")); var_dump(verifyEmailAdd("wqadf@blah.com"));
Output for 7.0.0 - 7.0.23, 7.1.0 - 7.1.20, 7.2.6 - 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 - 8.2.19, 8.3.0 - 8.3.7
int(0) int(1) int(0) int(1)
preferences:
121.47 ms | 404 KiB | 177 Q