read file in php using fread()

The link of this tutorial is given below,

fopen(), fread() & fclose() in PHP in Hindi | PHP Tutorial
Read and write file in php | File handling | fopen | fread | Learn php step by step
fread, fclose, fwrite | FILE Handling in PHP in Hindi
file, fread, feof, fclose - PHP
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PHP Read File fread
PHP File Handling - fopen, fwrite, fclose