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PHP Exceptions & Errors

PHP 8.x23 codes

SPL exceptions, Error hierarchy, E_* constants and PDO errors

Showing 23 of 23 errors

Code	Message	Severity	Tier
ParseError	PHP syntax error — script cannot be parsed	FATAL	Common	→
TypeError	Argument or return type mismatch	ERROR	Common	→
ValueError	Argument has the right type but an invalid value	ERROR	Common	→
DivisionByZeroError	Integer divided or modulo by zero	ERROR	Common	→
ArithmeticError	Base class for arithmetic errors	ERROR	Common	→
ErrorException	PHP error converted to a catchable exception	ERROR	Common	→
InvalidArgumentException	Function argument is invalid	ERROR	Common	→
RuntimeException	Error that can only be found at runtime	ERROR	Notable	→
LogicException	Logic error — represents a programming bug	ERROR	Common	→
BadMethodCallException	Method called that does not exist or with bad arguments	ERROR	Common	→
OutOfBoundsException	Value not in valid range at runtime	ERROR	Common	→
OverflowException	Adding to a full container	ERROR	Common	→
UnderflowException	Removing from an empty container	ERROR	Common	→
LengthException	Length of an argument is invalid	ERROR	Common	→
RangeException	Value out of defined range at runtime	ERROR	Common	→
DomainException	Value does not adhere to a valid data domain	ERROR	Common	→
UnexpectedValueException	Value does not match expected set	ERROR	Common	→
PDOException	Database error via PDO	ERROR	Notable	→
E_ERROR	Fatal runtime error — script halted	FATAL	Critical	→
ReflectionException	Reflection API error — class or method not found	ERROR	Notable	→
UnhandledMatchError	No match arm matched the value (PHP 8.0+)	ERROR	Common	→
FiberError	Invalid Fiber operation (PHP 8.1+)	ERROR	Notable	→
JsonException	JSON encode or decode failed	ERROR	Common	→