strpos (original_string, search_string, start_pos)Return value:This function returns an integer value, representing the original_str index where search_str occurs first. substr() function : The substr() function - this is a PHP built-in function used to extract a specific part of a string.Syntax:
substr (string_name, start_position, string_length_to_cut)Returned value:Returns the extracted part of the string on success, FALSE otherwise, or an empty string on error.
Here are some examples.The following examples use substr() and strpos() to remove part of a string after a specific character.Example 1:
// Declare a variable and initialize it $variable = "GeeksForGeeks is the best platform." ;
// Display the value of the variable echo $variable ; echo "" ;
// Use substr() and strpos() to remove
// part of the line after a certain character $variable = substr ( $variable , 0, strpos ( $variable , "is" ));
// Display the value of the variable echo $variable ;
?> Exit:GeeksForGeeks is the best platform. GeeksForGeeks
Example 2:
// Declare a variable and initialize it $variable = " computer science portal for engineer " ;
// Display the value of the variable echo $variable ; echo "" ;
// Use substr() and strpos() to remove
// part of the line after a certain character
// and display echo substr ( $variable , 0, strpos ( $variable , "for" ));
?> Exit:computer science portal for engineer computer science portal
