3085b52714
Add empty line between description and first @param entry. Some other minor comment layout and text fixes
76 lines
2.2 KiB
PHP
76 lines
2.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace CoreLibs\Check;
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class PhpVersion
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{
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/**
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* checks if running PHP version matches given PHP version (min or max)
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* if either is empty or null it will be ignored
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* if no min version (null or empty)
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*
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* @param string|null $min_version minimum version as string (x, x.y, x.y.x)
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* @param string|null $max_version optional maximum version as string (x, x.y, x.y.x)
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* @return bool true if ok, false if not matching version
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*/
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public static function checkPHPVersion(?string $min_version, ?string $max_version = null): bool
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{
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// exit with false if the min/max strings are wrong
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if (
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!empty($min_version) &&
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!preg_match("/^\d{1,2}(\.\d{1,2})?(\.\d{1,2})?$/", $min_version)
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) {
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return false;
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}
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// max is only chcked if it is set
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if (
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!empty($max_version) &&
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!preg_match("/^\d{1,2}(\.\d{1,2})?(\.\d{1,2})?$/", $max_version)
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) {
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return false;
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}
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// split up the version strings to calc the compare number
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if (!empty($min_version)) {
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$version = explode('.', $min_version);
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$min_version = (int)$version[0] * 10000 + (int)($version[1] ?? 0) * 100 + (int)($version[2] ?? 0);
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}
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if (!empty($max_version)) {
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$version = explode('.', $max_version);
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$max_version = (int)$version[0] * 10000 + (int)($version[1] ?? 0) * 100 + (int)($version[2] ?? 0);
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// drop out if min is bigger max, equal size is okay, that would be only THIS
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if (!empty($min_version) && $min_version > $max_version) {
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return false;
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}
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}
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// set the php version id
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if (!defined('PHP_VERSION_ID')) {
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$version = explode('.', phpversion() ?: '');
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// creates something like 50107
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define('PHP_VERSION_ID', (int)$version[0] * 10000 + (int)$version[1] * 100 + (int)$version[2]);
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}
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// check if matching for version
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if (
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!empty($min_version) && empty($max_version) &&
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PHP_VERSION_ID >= $min_version
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) {
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return true;
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} elseif (
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empty($min_version) && !empty($max_version) &&
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PHP_VERSION_ID <= $max_version
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) {
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return true;
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} elseif (
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!empty($min_version) && !empty($max_version) &&
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PHP_VERSION_ID >= $min_version && PHP_VERSION_ID <= $max_version
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) {
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return true;
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}
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// if no previous return, fail
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return false;
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}
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}
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// __END__
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