<?php
$sentence 'Hello my name is Abu Rayane, my age is 99 yearsl old, and my school level is -1';
$new_sentence = str_replace('my', '__', $sentence, 1);
echo $new_sentence;
Parse error: syntax error, unexpected ''Hello my name is Abu Rayane, ' (T_CONSTANT_ENCAPSED_STRING) in /in/VLmP6 on line 3
Process exited with code 255.