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php Programming Glossary: last_errorHow to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php to true to turn off warnings when evaluating expressions m last_error If the last evaluation failed contains a string describing the.. SUCH DAMAGE. class EvalMath var suppress_errors false var last_error null var v array 'e' 2.71 'pi' 3.14 variables and constants.. expr return this evaluate expr function evaluate expr this last_error null expr trim expr if substr expr 1 1 ' ' expr substr expr..
How to find a reason when mkdir fails from PHP? http://stackoverflow.com/questions/927564/how-to-find-a-reason-when-mkdir-fails-from-php I came to this function error_handler errno errstr global last_error last_error errstr set_error_handler 'error_handler' if mkdir.. this function error_handler errno errstr global last_error last_error errstr set_error_handler 'error_handler' if mkdir ' somedir'.. if mkdir ' somedir' echo MKDIR failed reason last_error n restore_error_handler However I don't like it because it uses..
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