21 lines
622 B
PHP
21 lines
622 B
PHP
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<?php
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namespace nulib\php\json;
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use RuntimeException;
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class JsonException extends RuntimeException {
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static final function json_last_error(?string $prefix=null): ?self {
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$json_last_error = json_last_error();
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if ($json_last_error === JSON_ERROR_NONE) return null;
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$message = json_last_error_msg()." ($json_last_error)";
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if ($prefix) $message = "$prefix: $message";
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return new static($message);
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}
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static final function ensure_json_value($value, ?string $prefix=null) {
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$exception = self::json_last_error($prefix);
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if ($exception === null) return $value;
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else throw $exception;
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}
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}
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