56 lines
1.3 KiB
PHP
56 lines
1.3 KiB
PHP
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<?php
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class Validator {
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private $errors = [];
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/**
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* Check if a field is not empty
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*/
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public function required($field, $value, $message = null) {
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if (empty(trim($value))) {
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$this->errors[$field] = $message ?? "$field is required.";
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}
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}
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/**
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* Check if a field meets minimum length
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*/
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public function minLength($field, $value, $length, $message = null) {
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if (strlen($value) < $length) {
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$this->errors[$field] = $message ?? "$field must be at least $length characters.";
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}
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}
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/**
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* Check if a field contains letters and numbers
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*/
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public function alphanumeric($field, $value, $message = null) {
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if (!preg_match('/^(?=.*[a-zA-Z])(?=.*\d).+$/', $value)) {
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$this->errors[$field] = $message ?? "$field must contain letters and numbers.";
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}
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}
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/**
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* Validate an email
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*/
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public function email($field, $value, $message = null) {
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if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
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$this->errors[$field] = $message ?? "Invalid email format.";
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}
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}
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/**
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* Get validation errors
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*/
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public function errors() {
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return $this->errors;
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}
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/**
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* Check if validation passed
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*/
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public function passes() {
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return empty($this->errors);
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}
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}
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