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# php_check_syntax

(PHP 5)

php_check_syntax -- Check the PHP syntax of the specified file

## Description

bool php_check_syntax ( string file_name [, string &error_message])

The php_check_syntax() function performs a syntax (lint) check on the specified filename testing for scripting errors. This is similar to using php -l from the commandline.

If the error_message parameter is used, it will contain the error message from the syntax check. error_message must be passed in by reference.

The following example shows how this function can be used.

示範 1.php_check_syntax() example
`<?php $error_message = ""; $filename = "./tests.php"; if(!php_check_syntax($filename, &$error_message)) { printf("Errors were found in the file %s:\n\n%s\n", $filename, $error_message); } else { printf("The file %s contained no syntax errors.", $filename); } ?>`
The output of the above script could look something like this:
    Errors were found in the file ./tests.php:

    parse error, unexpected T_STRING in /tmp/tests.php on line 81

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