[Solved] Identify the error in this PHP code snippet:$fp = fopen('file.txt', 'r'); $content = fread($fp); echo $content; | PHP

PHP - File Handling

Identify the error in this PHP code snippet:

$fp = fopen('file.txt', 'r');
$content = fread($fp);
echo $content;

Afopen() mode should be 'w' not 'r'

BMissing length parameter in fread()

Cfread() cannot read from file pointer

Decho cannot output file content

Step-by-Step Solution

Solution:

Step 1: Check fread() function signature
fread() requires two parameters: file pointer and length to read.
Step 2: Identify missing parameter
The code calls fread($fp) missing the length parameter, causing an error.
Final Answer:
Missing length parameter in fread() -> Option B
Quick Check:
fread() needs length parameter [OK]

Quick Trick: Always provide length to fread() [OK]

Common Mistakes:

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