PHP - Output and String Handling
Which output function in PHP returns 1 and also prints it?
Which output function in PHP returns 1 and also prints it?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Compare output functions
echooutputs text but does not return a value.printoutputs text and returns 1, so it can be used in expressions.Step 2: Understand other functions
var_dumpoutputs variable info but returns void.printfoutputs formatted text and returns the length of output.Final Answer:
print -> Option AQuick Check:
Output with return value = print [OK]
Quick Trick: print outputs and returns 1, echo only outputs [OK]
Common Mistakes:
- Assuming echo returns a value
- Confusing var_dump with output-return functions
- Thinking printf returns boolean
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