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(PHP 5 = 5.2.0, PHP 7, PHP 8) Introduction Representation of date and time. This class behaves the same as DateTimeImmutable, except objects are modified itself when modification m...www.php.net

Extremely simple function to get human filesize. ?phpfunctionhuman_filesize($bytes,$decimals=2) {$sz='BKMGTP';$factor=floor((strlen($bytes) -1) /3); returnsprintf( %.{$de...www.php.net

Prior to PHP 8.0.0, ifneedleis not a string, it is converted to an integer and applied as the ordinal value of a character. This behavior is deprecated as of PHP 7.3.0, and relying...www.php.netTIME.rfTime = +new Date;

(PHP 4, PHP 5, PHP 7, PHP 8) array_merge—合并一个或多个数组 说明 functionarray_merge( ...$arrays): 将一个或多个数组的单元合并起来,一个数组中的值附加在前一个数组的后面。返回作为结...www.php.net

PHP 8.5.4 Released!Getting StartedIntroductionA simple tutorialLanguage ReferenceBasic syntaxVariablesConstantsExpressionsOperatorsControl StructuresFunctionsClasses and ObjectsNam...www.php.net