Meta tags:
Headings (most frequently used words):
php, error, was, encountered,
Text of the page (most frequently used words):
php (4), line (2), number (2), filename (2), core (2), message (2), only (2), should (2), reference (2), severity (2), notice (2), error (2), was (2), encountered (2), loader, variables, assigned, 257, common, variable, references, returned,
Text of the page (random words):
a php error was encountered severity notice message only variable references should be returned by reference filename core common php line number 257 a php error was encountered severity notice message only variables should be assigned by reference filename core loader php line number 74
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