It is possible to combine multiple atomic types into composite types. PHP allows types to be combined in the following ways: Intersection of class-types ( ...
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PHP Manual ¶ · Basic syntax · Types · Variables · Constants · Expressions · Operators · Control Structures · Functions ...
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Type declarations ¶. Type declarations can be added to function arguments, return values, and, as of PHP 7.4.0, class properties. They ensure that the value ...
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system() is just like the C version of the function in that it executes the given command and outputs the result. The system() call also tries to ...
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When a string is specified in double quotes or with heredoc, variables are parsed within it. There are two types of syntax: a simple one and a complex one. The ...
Note: When a value needs to be interpreted as a different type, the value itself does not change types. To force a variable to be evaluated as a certain type, ...
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A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an ...
Our Test Directory includes detailed information, guides and references for many of our tests. This includes test and result codes, specimen collection ...
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