Error Message index

• (expression)::class cannot be used in constant expressions

  • ::parent Operator

• A function with return type must return a value

  • Three Return Errors

• A never-returning method must not return

  • Three Return Errors

• A non-numeric value encountered

  • Cast But Not A Cast

  • Where To Put The Cast?

• A void function must not return a value (did you mean “return;” instead of “return null;”?)

  • Returning Void

• Argument #1 must not be empty

  • preg_split() Magic

• Array callback has to contain indices 0 and 1

  • Array Callback Index

• Array callback must have exactly two elements

  • Array Callback Index

• Cannot access offset of type A on array

  • No Force Object To String

• Cannot assign %s to property %s::$%s of type %s

  • No Property Beyond Limits

• Cannot assign %s to reference held by property %s::$%s of type %s

  • Typed Variables

• Cannot call constructor

  • Constructor Needed

• Cannot create Closure for new expression

  • Closure On Constructor

• Cannot declare self-referencing constant x::A

  • No Self Referencing Constants

• Cannot decrement property %s::$%s of type int past its minimal value

  • No Property Beyond Limits

• Cannot increment property %s::$%s of type int past its maximal value

  • No Property Beyond Limits

• Cannot indirectly modify readonly property %s::$%s

  • Cannot indirectly modify readonly

• Cannot re-assign auto-global variable %s

  • global Overwrites

• Cannot rebind scope of closure created from method

  • No Binding But With Original

• Cannot redefine class constant X::B

  • Constant Redefinition

• Cannot rewind a generator that was already run

  • Recycle Generator

• Cannot unpack array with string keys

  • Named Parameter In An Array

• Cannot use “parent” when no class scope is active

  • parent In Function

• Cannot use ‘namespace’ as namespace name

  • Namespace, But Far In The Name

• Cannot use [] for reading

  • array_append() And Short Assignation

• Cannot use int as value for class constant x::A of type string

  • Multiple Const Types

• Cannot use isset() on the result of an expression (you can use “null !== expression” instead)

  • Is A Class Constant Set?

  • Cannot Use Isset On Expression, So Use What?

• Cannot use object of type stdClass as array

  • Coalesce And The Fatal Error

  • isset() And The Fatal Error

• Cannot use positional argument after argument unpacking

  • Unpacking A Single Element Array

• Cannot use the %s modifier on a %s

  • No Final Parameter

• Class “%s” not found

  • Unfinished Class Doesn’t Compile

• Class %s contains %d abstract method%s and must therefore be declared abstract or implement the remaining methods

  • Declared Before Or After

• Constant expression contains invalid operations

  • (int) And (ant)

  • No Cast In Constant Expressions

• Declaration of %s must be compatible with %s

  • Never Is The Lowest Ranking Type

• Declaration of %s::%s() must be compatible with %s::%s

  • Can’t Be Compatible With Less Arguments

• Declaration of b::__construct() must be compatible with a::__construct($a)

  • Abstract Or Not

• Declaration of x::foo() must be compatible with i::foo($k, $j, $l)

  • Multiple Method In Interface

• Declaration of x::foo() must be compatible with i::foo(): int

  • ReturnTypeWillChange Is For All

• Declaration of y4::foo($b, $c, $d) must be compatible with x4::foo($a, $b)

  • Mixed Compatibility

  • Argument Renaming

• Duplicate type array is redundant

  • Duplicate Type

• Duplicate value in enum E for cases A and B

  • Enum Are Not Linted

• Implicit conversion from float 1.1 to int loses precision

  • Silent Type Cast

• Incompatible readonly

  • Incompatible Promoted Readonly

• Increment on non-alphanumeric string is deprecated

  • Not All Incremented Strings Are Deprecated

• Invalid UTF-8 codepoint escape

  • Hexadecimal Separator

• Multiple static modifiers are not allowed

  • Cannot Static Static Property

• Non-static method %s::%s() cannot be called statically

  • Get $this In A Static

• Non-static method a::foo() cannot be called statically

  • Internal Static Call

• Object casts are not supported in this context

  • Cast In Const

• Object of class %s could not be converted to string

  • Objects As Keys In Foreach

• Object of class E could not be converted to string

  • array_unique() And Enum

  • Casting An Enum Case

• Object of class stdClass could not be converted to string

  • Reusing Decimals For Bananas

• Only basic entities substitution is supported for multi-byte encodings other than UTF-8; functionality is equivalent to htmlspecialchars

  • When htmlemtities() Is Failing

• Only variables should be passed by reference

  • Sorting Enum

• Recursion detected

  • compact() Is Recursive

• Return value must be of type int, float returned

  • Silent Type Cast

• Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero

  • Return Int Not Bool

• Trying to access array offset on false

  • null Or Boolean As Array

• Trying to access array offset on null

  • null Or Boolean As Array

• Trying to access array offset on true

  • null Or Boolean As Array

• Typed property %s::$%s must not be accessed before initialization

  • mixed Is Not No Type

  • Initialize Readonly On Child

  • Unsetting Properties Surprises

• Typed property X::$x must not be accessed before initialization

  • isset() On Uninitialized Properties

• Typed property x::$y must not be accessed before initialization

  • Who Modifies This Property?

• Undefined global variable %s

  • $GLOBALS Is Not Defined

• Undefined property

  • Unsetting Properties Surprises

• Undefined variable

  • Undefined Variable

• Undefined variable %s

  • Silent Optimisation Of Variables

• Unhandled case NULL

  • Non Empty Match

• Unknown named parameter $%s

  • Named Parameter Inheritance

• Unsupported operand types: int & string

  • Bitwise Operations On String

• Unsupported operand types: string + int

  • Oversigned Integers

• Using “_” as a class name is deprecated since 8.4

  • No More Class _

• Using $this when not in object context

  • Static Arrow Function

• array_merge() does not accept unknown named parameters

  • No Unknown For array_merge()

• exponent cannot have a fractional part

  • Operator Overloading

• never-returning function must not implicitly return

  • The Never Function Arrow

• syntax error, unexpected token “(int)”

  • Cast Is So Strong

• syntax error, unexpected token “;”

  • Where Is The Semicolon?

  • No Semicolon In Sight

• syntax error, unexpected token “exit”, expecting identifier

  • No Rewrite For Exit