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<?php // the filter_* functions trim whitespace which can result in data loss var_dump(filter_var(" 1 ", FILTER_VALIDATE_INT)); // because filter_var casts passed values to a string, it accepts various unsafe values var_dump(filter_var(true, FILTER_VALIDATE_INT)); var_dump(filter_var(new NotAnInt(), FILTER_VALIDATE_INT)); var_dump(filter_var(1.00000000000001, FILTER_VALIDATE_INT)); class NotAnInt { function __toString() { return " 1"; } }
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(1) Fatal error: Uncaught Error: Class "NotAnInt" not found in /in/ESUbN:8 Stack trace: #0 {main} thrown in /in/ESUbN on line 8
Process exited with code 255.

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