PHP preguntas y respuestas de entrevista
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Pregunta 26. How do you pass a variable by value?
Just like in C++, put an ampersand in front of it, like $a = &$b
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Pregunta 27. Will comparison of string "10" and integer 11 work in PHP?
Yes, internally PHP will cast everything to the integer type, so numbers 10 and 11 will be compared.
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