The xml_get_current_line_number() function is an inbuilt function in PHP which is used to return the current line number for an XML parser.
Syntax:
int xml_get_current_line_number( resource $xml_parser )
Parameters: This function accepts a single parameter $xml_parser which is required. It specifies the XML parser which is to be used.
Return Value: This function returns the current line number for the specified parser on which it’s currently running on success or False on failure.
Note:
- This function is available for PHP 4.0.0 and newer version.
- These examples may not work on online IDE. So, try to run it on local server or php hosted servers.
gfg.xml file:
XML
<?xml version="1.0" encoding="utf-8"?><user> <username> user123 </username> <name> firstname lastname </name> <phone> +91-9876543210 </phone> <detail> I am John Doe. Live in Kolkata, India. </detail></users> |
PHP
<?php// XML file containing mismatch tags$xml_file = 'gfg.xml';// XML parser initialization$xml_parser = xml_parser_create();// File opening in read mode$file_pointer = fopen($xml_file, 'r'); // Reading data from the file streamwhile ($xml_data = fread($file_pointer, 4096)) { // Parse the data chunk if(!xml_parse($xml_parser, $xml_data, feof($file_pointer))) { // Displaying errors die( print "ERROR: " . // Error string xml_error_string(xml_get_error_code($xml_parser)) . "<br/>Error Code: " . // Error code xml_get_error_code($xml_parser) . "<br/>Line: " . // Line number where the error occurred xml_get_current_line_number($xml_parser) . "<br/>Column: " . // Column number where the error occurred xml_get_current_column_number($xml_parser) . "<br/>Byte Index: " . // Byte index where the current byte occurred xml_get_current_byte_index($xml_parser) . "<br/>" ); }}// Free to XML parserxml_parser_free($xml_parser);?> |
Output:
ERROR: Mismatched tag Error Code: 76 Line: 7 Column: 13 Byte Index: 208
neveropen.xml file:
XML
<?xml version="1.0 encoding="utf-8"?><user> <username> user123 </username> <name> firstname lastname </name> <phone> +91-9876543210 </phone> <detail> I am John Doe. Live in Kolkata, India. </detail></user> |
Program 2:
PHP
<?php// XML file containing mismatch tags$xml_file = 'neveropen.xml';// XML parser initialization$xml_parser = xml_parser_create();// File opening in read mode$file_pointer = fopen($xml_file, 'r'); // Reading data from the file streamwhile ($xml_data = fread($file_pointer, 4096)) { // Parse the data chunk if(!xml_parse($xml_parser, $xml_data, feof($file_pointer))) { // Displaying errors die( print "ERROR: " . // Error string xml_error_string(xml_get_error_code($xml_parser)) . "<br/>Error Code: " . // Error code xml_get_error_code($xml_parser) . "<br/>Line: " . // Line number where the error occurred xml_get_current_line_number($xml_parser) . "<br/>Column: " . // Column number where the error occurred xml_get_current_column_number($xml_parser) . "<br/>Byte Index: " . // Byte index where the current byte occurred xml_get_current_byte_index($xml_parser) . "<br/>" ); }}// Free to XML parserxml_parser_free($xml_parser);?> |
Output:
ERROR: String not closed expecting " or ' Error Code: 34 Line: 1 Column: 36 Byte Index: 37
Reference: https://www.php.net/manual/en/function.xml-get-current-line-number.php
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