Ensure php7.4 compatibility

Author: usox

src/Options.php

@@ -216,13 +216,13 @@ public function parseOptions()
  }
 
  // first non-option
- if ($arg{0} != '-') {
+ if ($arg[0] != '-') {
  $non_opts = array_merge($non_opts, array_slice($this->args, $i));
  break;
  }
 
  // long option
- if (strlen($arg) > 1 && $arg{1} == '-') {
+ if (strlen($arg) > 1 && $arg[1] === '-') {
  $arg = explode('=', substr($arg, 2), 2);
  $opt = array_shift($arg);
  $val = array_shift($arg);

tests/OptionsTest.php

@@ -11,30 +11,41 @@ class Options extends \splitbrain\phpcli\Options
 class OptionsTest extends \PHPUnit_Framework_TestCase
 {
 
- function test_simpleshort()
- {
+ /**
+ * @dataProvider optionDataProvider
+ *
+ * @param string $option
+ * @param string $value
+ * @param string $argument
+ */
+ function test_optionvariants(
+ $option,
+ $value,
+ $argument
+ ) {
  $options = new Options();
  $options->registerOption('exclude', 'exclude files', 'x', 'file');
 
- $options->args = array('-x', 'foo', 'bang');
+ $options->args = array($option, $value, $argument);
  $options->parseOptions();
 
- $this->assertEquals('foo', $options->getOpt('exclude'));
- $this->assertEquals(array('bang'), $options->args);
+ $this->assertEquals($value, $options->getOpt('exclude'));
+ $this->assertEquals(array($argument), $options->args);
  $this->assertFalse($options->getOpt('nothing'));
  }
 
- function test_simplelong1()
- {
- $options = new Options();
- $options->registerOption('exclude', 'exclude files', 'x', 'file');
-
- $options->args = array('--exclude', 'foo', 'bang');
- $options->parseOptions();
-
- $this->assertEquals('foo', $options->getOpt('exclude'));
- $this->assertEquals(array('bang'), $options->args);
- $this->assertFalse($options->getOpt('nothing'));
+ /**
+ * @return array
+ */
+ public function optionDataProvider() {
+ return array(
+ array('-x', 'foo', 'bang'),
+ array('--exclude', 'foo', 'bang'),
+ array('-x', 'foo-bar', 'bang'),
+ array('--exclude', 'foo-bar', 'bang'),
+ array('-x', 'foo', 'bang--bang'),
+ array('--exclude', 'foo', 'bang--bang'),
+ );
  }
 
  function test_simplelong2()