Developer
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Polyfill\Php80;
/**
* @author Ion Bazan <ion.bazan@gmail.com>
* @author Nico Oelgart <nicoswd@gmail.com>
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
final class Php80
{
public static function fdiv(float $dividend, float $divisor): float
{
return @($dividend / $divisor);
}
public static function get_debug_type($value): string
{
switch (true) {
case null === $value: return 'null';
case \is_bool($value): return 'bool';
case \is_string($value): return 'string';
case \is_array($value): return 'array';
case \is_int($value): return 'int';
case \is_float($value): return 'float';
case \is_object($value): break;
case $value instanceof \__PHP_Incomplete_Class: return '__PHP_Incomplete_Class';
default:
if (null === $type = @get_resource_type($value)) {
return 'unknown';
}
if ('Unknown' === $type) {
$type = 'closed';
}
return "resource ($type)";
}
$class = \get_class($value);
if (false === strpos($class, '@')) {
return $class;
}
return (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous';
}
public static function get_resource_id($res): int
{
if (!\is_resource($res) && null === @get_resource_type($res)) {
throw new \TypeError(sprintf('Argument 1 passed to get_resource_id() must be of the type resource, %s given', get_debug_type($res)));
}
return (int) $res;
}
public static function preg_last_error_msg(): string
{
switch (preg_last_error()) {
case \PREG_INTERNAL_ERROR:
return 'Internal error';
case \PREG_BAD_UTF8_ERROR:
return 'Malformed UTF-8 characters, possibly incorrectly encoded';
case \PREG_BAD_UTF8_OFFSET_ERROR:
return 'The offset did not correspond to the beginning of a valid UTF-8 code point';
case \PREG_BACKTRACK_LIMIT_ERROR:
return 'Backtrack limit exhausted';
case \PREG_RECURSION_LIMIT_ERROR:
return 'Recursion limit exhausted';
case \PREG_JIT_STACKLIMIT_ERROR:
return 'JIT stack limit exhausted';
case \PREG_NO_ERROR:
return 'No error';
default:
return 'Unknown error';
}
}
public static function str_contains(string $haystack, string $needle): bool
{
return '' === $needle || false !== strpos($haystack, $needle);
}
public static function str_starts_with(string $haystack, string $needle): bool
{
return 0 === strncmp($haystack, $needle, \strlen($needle));
}
public static function str_ends_with(string $haystack, string $needle): bool
{
if ('' === $needle || $needle === $haystack) {
return true;
}
if ('' === $haystack) {
return false;
}
$needleLength = \strlen($needle);
return $needleLength <= \strlen($haystack) && 0 === substr_compare($haystack, $needle, -$needleLength);
}
}
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To ensure a smooth integration process and optimal performance, follow these best practices: