96 lines
2 KiB
PHP
96 lines
2 KiB
PHP
<?php
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/**
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* @template T
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* @param T|false $x
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* @return T
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*/
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function false_throws(mixed $x, ?callable $errorgen = null): mixed
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{
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if($x === false) {
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$msg = "Unexpected false";
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if($errorgen) {
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$msg = $errorgen();
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}
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throw new \Exception($msg);
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}
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return $x;
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}
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/**
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* @template T
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* @param T|null $x
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* @return T
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*/
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function null_throws(mixed $x, ?callable $errorgen = null): mixed
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{
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if($x === null) {
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$msg = "Unexpected null";
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if($errorgen) {
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$msg = $errorgen();
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}
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throw new \Exception($msg);
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}
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return $x;
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}
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/**
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* @param int<1,max> $depth
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*/
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function json_encode_ex(mixed $value, int|null $flags = 0, int $depth = 512): string
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{
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return false_throws(json_encode($value, $flags, $depth), "json_last_error_msg");
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}
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function strtotime_ex(string $time, int|null $now = null): int
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{
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return false_throws(strtotime($time, $now));
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}
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function md5_file_ex(string $filename, bool|null $raw_output = false): string
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{
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return false_throws(md5_file($filename, $raw_output));
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}
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/**
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* @return string[]
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*/
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function glob_ex(string $pattern, int|null $flags = 0): array
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{
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return false_throws(glob($pattern, $flags));
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}
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function file_get_contents_ex(string $filename): string
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{
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return false_throws(file_get_contents($filename));
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}
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function filesize_ex(string $filename): int
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{
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return false_throws(filesize($filename));
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}
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function inet_ntop_ex(string $in_addr): string
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{
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return false_throws(inet_ntop($in_addr));
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}
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function inet_pton_ex(string $ip_address): string
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{
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return false_throws(inet_pton($ip_address));
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}
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function dir_ex(string $directory): \Directory
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{
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return false_throws(dir($directory));
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}
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function exec_ex(string $command): string
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{
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return false_throws(exec($command));
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}
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function filter_var_ex(mixed $variable, int $filter = FILTER_DEFAULT, mixed $options = null): mixed
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{
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return false_throws(filter_var($variable, $filter, $options));
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}
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