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d1046dc5f3
This aims to bring more consistency to the test suite, as the vast majority of data providers already use that prefix. Includes moving some data providers next to the tests they are used in. Follow-up to [55464]. See #57841. git-svn-id: https://develop.svn.wordpress.org/trunk@55562 602fd350-edb4-49c9-b593-d223f7449a82
242 lines
6.7 KiB
PHP
242 lines
6.7 KiB
PHP
<?php
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/**
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* @group compat
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* @group security-153
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*
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* @covers ::mb_substr
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* @covers ::_mb_substr
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*/
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class Tests_Compat_mbSubstr extends WP_UnitTestCase {
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/**
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* Test that mb_substr() is always available (either from PHP or WP).
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*/
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public function test_mb_substr_availability() {
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$this->assertTrue( function_exists( 'mb_substr' ) );
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}
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/**
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* @dataProvider data_utf8_substrings
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*/
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public function test_mb_substr( $input_string, $start, $length, $expected_character_substring ) {
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$this->assertSame( $expected_character_substring, _mb_substr( $input_string, $start, $length, 'UTF-8' ) );
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}
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/**
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* @dataProvider data_utf8_substrings
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*/
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public function test_mb_substr_via_regex( $input_string, $start, $length, $expected_character_substring ) {
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_wp_can_use_pcre_u( false );
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$this->assertSame( $expected_character_substring, _mb_substr( $input_string, $start, $length, 'UTF-8' ) );
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_wp_can_use_pcre_u( 'reset' );
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}
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/**
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* @dataProvider data_utf8_substrings
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*/
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public function test_8bit_mb_substr( $input_string, $start, $length, $expected_character_substring, $expected_byte_substring ) {
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$this->assertSame( $expected_byte_substring, _mb_substr( $input_string, $start, $length, '8bit' ) );
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}
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/**
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* Data provider.
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*
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* @return array
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*/
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public function data_utf8_substrings() {
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return array(
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array(
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'input_string' => 'баба',
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'start' => 0,
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'length' => 3,
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'expected_character_substring' => 'баб',
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'expected_byte_substring' => "б\xD0",
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),
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array(
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'input_string' => 'баба',
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'start' => 0,
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'length' => -1,
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'expected_character_substring' => 'баб',
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'expected_byte_substring' => "баб\xD0",
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),
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array(
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'input_string' => 'баба',
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'start' => 1,
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'length' => null,
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'expected_character_substring' => 'аба',
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'expected_byte_substring' => "\xB1аба",
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),
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array(
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'input_string' => 'баба',
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'start' => -3,
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'length' => null,
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'expected_character_substring' => 'аба',
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'expected_byte_substring' => "\xB1а",
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),
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array(
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'input_string' => 'баба',
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'start' => -3,
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'length' => 2,
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'expected_character_substring' => 'аб',
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'expected_byte_substring' => "\xB1\xD0",
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),
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array(
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'input_string' => 'баба',
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'start' => -1,
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'length' => 2,
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'expected_character_substring' => 'а',
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'expected_byte_substring' => "\xB0",
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),
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array(
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'input_string' => 'I am your баба',
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'start' => 0,
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'length' => 11,
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'expected_character_substring' => 'I am your б',
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'expected_byte_substring' => "I am your \xD0",
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),
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);
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}
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/**
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* @link https://github.com/php/php-src/blob/php-5.6.8/ext/mbstring/tests/mb_substr_basic.phpt
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*/
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public function test_mb_substr_phpcore_basic() {
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$string_ascii = 'ABCDEF';
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$string_mb = base64_decode( '5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=' );
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$this->assertSame(
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'DEF',
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_mb_substr( $string_ascii, 3 ),
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'Substring does not match expected for offset 3'
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);
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$this->assertSame(
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'DEF',
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_mb_substr( $string_ascii, 3, 5, 'ISO-8859-1' ),
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'Substring does not match expected for offset 3, length 5, with iso charset'
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);
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// Specific latin-1 as that is the default the core PHP test operates under.
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$this->assertSame(
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'peacrOiqng==',
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base64_encode( _mb_substr( $string_mb, 2, 7, 'latin-1' ) ),
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'Substring does not match expected for offset 2, length 7, with latin-1 charset'
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);
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$this->assertSame(
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'6Kqe44OG44Kt44K544OI44Gn44GZ',
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base64_encode( _mb_substr( $string_mb, 2, 7, 'utf-8' ) ),
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'Substring does not match expected for offset 2, length 7, with utf-8 charset'
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);
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}
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/**
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* @link https://github.com/php/php-src/blob/php-5.6.8/ext/mbstring/tests/mb_substr_variation1.phpt
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*
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* @dataProvider data_mb_substr_phpcore_input_type_handling
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*
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* @param mixed $input Input to pass to the function.
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* @param string $expected Expected function output.
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*/
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public function test_mb_substr_phpcore_input_type_handling( $input, $expected ) {
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$start = 0;
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$length = 5;
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$this->assertSame( $expected, _mb_substr( $input, $start, $length ) );
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}
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/**
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* Data provider.
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*
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* @return array
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*/
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public function data_mb_substr_phpcore_input_type_handling() {
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$heredoc = <<<EOT
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hello world
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EOT;
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return array(
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'integer zero' => array(
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'input' => 0,
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'expected' => '0',
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),
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'integer 1' => array(
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'input' => 1,
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'expected' => '1',
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),
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'positive integer' => array(
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'input' => 12345,
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'expected' => '12345',
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),
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'negative integer' => array(
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'input' => -2345,
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'expected' => '-2345',
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),
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// Float data.
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'positive float with fraction' => array(
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'input' => 10.5,
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'expected' => '10.5',
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),
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'negative float with fraction' => array(
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'input' => -10.5,
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'expected' => '-10.5',
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),
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'float scientific whole number' => array(
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'input' => 12.3456789000e10,
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'expected' => '12345',
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),
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'float scientific with fraction' => array(
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'input' => 12.3456789000E-10,
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'expected' => '1.234',
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),
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'float, fraction only' => array(
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'input' => .5,
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'expected' => '0.5',
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),
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// Null data.
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'null' => array(
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'input' => null,
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'expected' => '',
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),
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// Boolean data.
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'boolean true' => array(
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'input' => true,
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'expected' => '1',
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),
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'boolean false' => array(
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'input' => false,
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'expected' => '',
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),
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// Empty data.
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'empty string' => array(
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'input' => '',
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'expected' => '',
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),
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// String data.
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'double quoted string' => array(
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'input' => "string'",
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'expected' => 'strin',
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),
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'single quoted string' => array(
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'input' => 'string',
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'expected' => 'strin',
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),
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'heredoc string' => array(
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'input' => $heredoc,
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'expected' => 'hello',
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),
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// Object data.
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'object with __toString method' => array(
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'input' => new ClassWithToStringForMbSubstr(),
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'expected' => 'Class',
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),
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);
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}
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}
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/* used in data_mb_substr_phpcore_input_type_handling() */
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class ClassWithToStringForMbSubstr {
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public function __toString() {
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return 'Class object';
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}
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}
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