INTERVIEW QUESTIONS PROGRAMMING LANGUAGES PHP DETAILS

Question: Name and explain five of the PHP error constants?

Answer: Some of the five PHP error constants are E_ERROR, E_WARNING, E_PARSE, E_USER_WARNING, E_COMPILE_WARNING, etc
E_ERROR: -This error is displayed when there is fatal error which halts the execution of the script immediately.
E_WARNING: -This warns the programmer about the error but the execution of the script is not stopped.
E_PARSE: -These errors occur during compile time and these errors should only be generated by the parser.
E_USER_WARNING: -This warning error is generated by the user and is non fatal. This is set by the programmer using trigger_error().
E_COMPILE_WARNING: -this error is generated by the Zend scripting engine. This is a compile time non fatal error.

Some of the five PHP error constants are E_ERROR, E_WARNING, E_PARSE, E_USER_WARNING, E_COMPILE_WARNING, etc
E_ERROR: -This error is displayed when there is fatal error which halts the execution of the script immediately.
E_WARNING: -This warns the programmer about the error but the execution of the script is not stopped.
E_PARSE: -These errors occur during compile time and these errors should only be generated by the parser.
E_USER_WARNING: -This warning error is generated by the user and is non fatal. This is set by the programmer using trigger_error().
E_COMPILE_WARNING: -this error is generated by the Zend scripting engine. This is a compile time non fatal error. Source: CoolInterview.com

In PHP 5 a new error level E_STRICT is available. As E_STRICT is not included within E_ALL you have to explicitly enable this kind of error level. Source: CoolInterview.com

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