An operator is something that takes one or more values (or expressions, in programming jargon) and yields another value (so that the construction itself becomes ...

Operator Precedence · Comparison · Logic · Arithmetic

PHP Manual · Language Reference · Operators. Change language: English, German, Spanish, French, Italian, Japanese, Brazilian Portuguese, Russian, Turkish ...

Comparison operators, as their name implies, allow you to compare two values. You may also be interested in viewing the type comparison tables, as they show ...

PHP Manual ¶ · Basic syntax · Types · Variables · Constants · Expressions · Operators · Control Structures · Functions ...

The precedence of an operator specifies how "tightly" it binds two expressions together. For example, in the expression 1 + 5 * 3 , the answer is 16 and not 18 ...

The division operator ("/") returns a float value unless the two operands are integers (or strings that get converted to integers) and the numbers are evenly ...

Math Functions · Increment and Decrement · Intdiv

There are two string operators. The first is the concatenation operator ('.'), which returns the concatenation of its right and left arguments. The second is ...

PHP Manual · Language Reference · Operators. Change language: English, German, Spanish, French, Italian, Japanese, Brazilian Portuguese, Russian, Turkish ...

PHP supports one error control operator: the at sign ( @ ). When prepended to an expression in PHP, any diagnostic error that might be generated by that ...

Type Operators ¶. instanceof is used to determine whether a PHP variable is an instantiated object of a certain class: Example #1 Using instanceof ...