PHP – abstract Keyword
The PHP abstract keyword declares a class as abstract.
PHP – and Keyword
The PHP and keyword is a logical operator and is used to combine conditional statements.
PHP – as Keyword
The PHP as keyword is used by the foreach loop to establish which variables contain the key and value of an element.
PHP – break Keyword
The PHP break keyword is used to break out of for loops, foreach loops, while loops, do… while loops, and switch conditions.
PHP – callable Keyword
The PHP callable keyword is used to force a function argument to be a reference to a function.
PHP – case Keyword
The PHP case keyword is used to jump to a line of code when an expression has a specific value in a switch conditional.
PHP – catch Keyword
The PHP catch keyword is used to handle exceptions that are thrown by the code in a preceding try block.
PHP – const Keyword
The PHP const keyword is used to create constants, and must be declared in the global scope.
PHP – continue Keyword
The PHP continue keyword is used to is used to end the current iteration in a for, foreach, while or do…while loop, and continues to the next iteration.
PHP – default Keyword
The PHP default keyword is used in a switch block to specify which code to run when none of the case statements were matched by the expression.
PHP – do Keyword
The PHP do keyword creates a loop which always runs at least once. It is used together with the while keyword to create a do…while loop.
PHP – echo Keyword
The PHP echo keyword is used to output text, and can output multiple strings separated by commas.
PHP – else Keyword
The PHP else keyword specifies a block of code which should run when the condition of an if statement is not met.
PHP – elseif Keyword
The PHP elseif keyword tests a new condition if the condition of a previous if or elseif statement was not met.
PHP – empty Keyword
The PHP empty keyword acts as a function which returns true if a variable does not exist, or if its value is considered empty.
PHP – enddeclare Keyword
The PHP enddeclare keyword is used to close a declare block which was started using the declare syntax.
PHP – endfor Keyword
The PHP endfor keyword is used to close the code block of a for loop which was started using the for syntax.