Php universal detection function set (3)

// Function name: CheckTelephone ($ C_telephone) // determines whether the phone number is a valid phone number. // parameter: $ C_telephone (the phone number to be detected) // return value: boolean value // remarks: none // ------------------------------------------------------ // Function name: CheckTelephone ($ C_telephone)
// For usage: determines whether the phone number is a legitimate phone number.
// Parameter: $ C_telephone (phone number to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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Function CheckTelephone ($ C_telephone)
{
If (! Ereg ('^ []? [0-9] ([xX-] [0-9]) * $ ', $ C_telephone) return false;
Return true;
}
// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckValueBetween ($ N_var, $ N_val1, $ N_val2)
// Usage: determines whether it is a valid value in a certain category.
// Parameter: $ N_var value to be detected
// $ N_var1 upper limit of the value to be detected
// $ N_var2 lower limit of the value to be detected
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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Function CheckValueBetween ($ N_var, $ N_val1, $ N_val2)
{
If ($ N_var <$ N_var1 │ $ N_var> $ N_var2)
{
Return false;
}
Return true;

}
// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckPost ($ C_post)
// For use: Determine whether the postal code is valid (fixed length)
// Parameter: $ C_post (zip code to be checked)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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Function CheckPost ($ C_post)
{
$ C_post = trim ($ C_post );
If (strlen ($ C_post) = 6)
{
If (! Ereg ('^ []? [_ 0-9] * $ ', $ C_post ))
{
Return true ;;
} Else
{
Return false;
}
} Else
{
Return false ;;
}
}
// Configure //-----------------------------------------------------------------------------------
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