PHP Fatal error: strict_types declaration must be the very first statement in the script

[duri0214]

Q	A
PHPUnit version	9.5.10
PHP version	7.3
Installation Method	Composer / PHAR

Summary

Changing the declaration location will fix it

#!/usr/bin/env php
<?php declare(strict_types=1);

to

<?php declare(strict_types=1);
#!/usr/bin/env php

dev\ci4_batches> php batches/vendor/bin/phpunit --version
PHPUnit 9.5.10 by Sebastian Bergmann and contributors.

PS D:\OneDrive\dev\ci4_batches> php batches/vendor/bin/phpunit --list-suite 
PHPUnit 9.5.10 by Sebastian Bergmann and contributors.

Usage:
  phpunit [options] UnitTest.php
  phpunit [options] <directory>

Code Coverage Options:
  --coverage-clover <file>    Generate code coverage report in Clover XML format
  --coverage-cobertura <file> Generate code coverage report in Cobertura XML format

Current behavior

dev\ci4_batches> php batches/vendor/bin/phpunit --list-suites
  PHP Fatal error:  strict_types declaration must be the very first statement in the script in D:\OneDrive\dev\ci4_batches\batches\vendor\phpunit\phpunit\phpunit on line 2

  Fatal error: strict_types declaration must be the very first statement in the script in D:\OneDrive\dev\ci4_batches\batches\vendor\phpunit\phpunit\phpunit on line 2

How to reproduce

enter the command

dev\ci4_batches> php batches/vendor/bin/phpunit --list-suites

Expected behavior

I want list available test suites.
Why is the usage output?.

composer info | sort

PS D:\OneDrive\dev\ci4_batches\batches> composer info | sort
codeigniter4/framework             v4.1.5  The CodeIgniter framework v4
doctrine/instantiator              1.4.0   A small, lightweight utility to instantiate objects in PHP wit...     
ezyang/htmlpurifier                v4.13.0 Standards compliant HTML filter written in PHP
fakerphp/faker                     v1.17.0 Faker is a PHP library that generates fake data for you.
kint-php/kint                      3.3     Kint - debugging tool for PHP developers
laminas/laminas-escaper            2.9.0   Securely and safely escape HTML, HTML attributes, JavaScript, ...     
maennchen/zipstream-php            2.1.0   ZipStream is a library for dynamically streaming dynamic zip f...     
markbaker/complex                  3.0.1   PHP Class for working with complex numbers
markbaker/matrix                   3.0.0   PHP Class for working with matrices
mikey179/vfsstream                 v1.6.10 Virtual file system to mock the real file system in unit tests.       
myclabs/deep-copy                  1.10.2  Create deep copies (clones) of your objects
myclabs/php-enum                   1.8.3   PHP Enum implementation
nikic/php-parser                   v4.13.2 A PHP parser written in PHP
phar-io/manifest                   2.0.3   Component for reading phar.io manifest information from a PHP ...     
phar-io/version                    3.1.0   Library for handling version information and constraints
phpdocumentor/reflection-common    2.2.0   Common reflection classes used by phpdocumentor to reflect the...     
phpdocumentor/reflection-docblock  5.3.0   With this component, a library can provide support for annotat...     
phpdocumentor/type-resolver        1.5.1   A PSR-5 based resolver of Class names, Types and Structural El...     
phpoffice/phpspreadsheet           1.20.0  PHPSpreadsheet - Read, Create and Write Spreadsheet documents ...     
phpspec/prophecy                   v1.15.0 Highly opinionated mocking framework for PHP 5.3+
phpunit/php-code-coverage          9.2.10  Library that provides collection, processing, and rendering fu...     
phpunit/php-file-iterator          3.0.6   FilterIterator implementation that filters files based on a li...     
phpunit/php-invoker                3.1.1   Invoke callables with a timeout
phpunit/php-text-template          2.0.4   Simple template engine.
phpunit/php-timer                  5.0.3   Utility class for timing
phpunit/phpunit                    9.5.10  The PHP Unit Testing framework.
psr/container                      2.0.2   Common Container Interface (PHP FIG PSR-11)
psr/http-client                    1.0.1   Common interface for HTTP clients
psr/http-factory                   1.0.1   Common interfaces for PSR-7 HTTP message factories
psr/http-message                   1.0.1   Common interface for HTTP messages
psr/log                            1.1.4   Common interface for logging libraries
psr/simple-cache                   1.0.1   Common interfaces for simple caching
sebastian/cli-parser               1.0.1   Library for parsing CLI options
sebastian/code-unit                1.0.8   Collection of value objects that represent the PHP code units
sebastian/code-unit-reverse-lookup 2.0.3   Looks up which function or method a line of code belongs to
sebastian/comparator               4.0.6   Provides the functionality to compare PHP values for equality
sebastian/complexity               2.0.2   Library for calculating the complexity of PHP code units
sebastian/diff                     4.0.4   Diff implementation
sebastian/environment              5.1.3   Provides functionality to handle HHVM/PHP environments
sebastian/exporter                 4.0.4   Provides the functionality to export PHP variables for visuali...     
sebastian/global-state             5.0.3   Snapshotting of global state
sebastian/lines-of-code            1.0.3   Library for counting the lines of code in PHP source code
sebastian/object-enumerator        4.0.4   Traverses array structures and object graphs to enumerate all ...     
sebastian/object-reflector         2.0.4   Allows reflection of object attributes, including inherited an...     
sebastian/recursion-context        4.0.4   Provides functionality to recursively process PHP variables
sebastian/resource-operations      3.0.3   Provides a list of PHP built-in functions that operate on reso...     
sebastian/type                     2.3.4   Collection of value objects that represent the types of the PH...     
sebastian/version                  3.0.2   Library that helps with managing the version number of Git-hos...     
symfony/deprecation-contracts      v2.5.0  A generic function and convention to trigger deprecation notices      
symfony/polyfill-ctype             v1.23.0 Symfony polyfill for ctype functions
symfony/polyfill-mbstring          v1.23.1 Symfony polyfill for the Mbstring extension
tecnickcom/tcpdf                   6.4.2   TCPDF is a PHP class for generating PDF documents and barcodes.       
theseer/tokenizer                  1.2.1   A small library for converting tokenized PHP source code into ...     
webmozart/assert                   1.10.0  Assertions to validate method input/output with nice error mes...     
PS D:\OneDrive\dev\ci4_batches\batches>

[sebastianbergmann]

Duplicate of composer/composer#10387 (fixed by composer/composer@7d1ca1f and #4846).