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--TEST--
Test array_unshift() function : usage variations - heredoc strings for 'var' argument
--FILE--
<?php
/* Prototype : int array_unshift(array $array, mixed $var [, mixed ...])
* Description: Pushes elements onto the beginning of the array
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_unshift() by passing different
* heredoc strings for $var argument that is prepended to the array
* passed through $array argument
*/
echo "*** Testing array_unshift() : heredoc strings for \$var argument ***\n";
// heredoc with empty value
$empty_string = <<<EOT
EOT;
// heredoc with blank line
$blank_line = <<<EOT
EOT;
// heredoc with multiline string
$multiline_string = <<<EOT
hello world
The big brown fox jumped over;
the lazy dog
This is a double quoted string
EOT;
// heredoc with different whitespaces
$diff_whitespaces = <<<EOT
hello\r world\t
1111\t\t != 2222\v\v
heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
EOT;
// heredoc with numeric values
$numeric_string = <<<EOT
11 < 12. 123 >22
2222 != 1111.\t 0000 = 0000\n
EOT;
// heredoc with quote chars & slash
$quote_char_string = <<<EOT
This's a string with quotes:
"strings in double quote";
'strings in single quote';
this\line is single quoted /with\slashes
EOT;
// array to be passed to $array argument
$array = array('f' => "first", "s" => 'second', 1, 2.222);
// different heredoc strings to be passed to $var argument
$vars = array(
$empty_string,
$blank_line,
$multiline_string,
$diff_whitespaces,
$numeric_string,
$quote_char_string
);
// loop through the various elements of $arrays to test array_unshift()
$iterator = 1;
foreach($vars as $var) {
echo "-- Iteration $iterator --\n";
$temp_array = $array; // assign $array to another temporary $temp_array
/* with default argument */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
var_dump( array_unshift($temp_array, $var) );
// dump the resulting array
var_dump($temp_array);
/* with all possible arguments */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
$temp_array = $array;
var_dump( array_unshift($temp_array, $var, "hello", 'world') );
// dump the resulting array
var_dump($temp_array);
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_unshift() : heredoc strings for $var argument ***
-- Iteration 1 --
int(5)
array(5) {
[0]=>
string(0) ""
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(0) ""
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 2 --
int(5)
array(5) {
[0]=>
string(1) "
"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(1) "
"
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 3 --
int(5)
array(5) {
[0]=>
string(86) "hello world
The big brown fox jumped over;
the lazy dog
This is a double quoted string"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(86) "hello world
The big brown fox jumped over;
the lazy dog
This is a double quoted string"
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 4 --
int(5)
array(5) {
[0]=>
string(88) "hello
world
1111 != 2222
heredoc
double quoted string. with different white spaces"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(88) "hello
world
1111 != 2222
heredoc
double quoted string. with different white spaces"
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 5 --
int(5)
array(5) {
[0]=>
string(44) "11 < 12. 123 >22
2222 != 1111. 0000 = 0000
"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(44) "11 < 12. 123 >22
2222 != 1111. 0000 = 0000
"
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 6 --
int(5)
array(5) {
[0]=>
string(123) "This's a string with quotes:
"strings in double quote";
'strings in single quote';
this\line is single quoted /with\slashes"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
string(123) "This's a string with quotes:
"strings in double quote";
'strings in single quote';
this\line is single quoted /with\slashes"
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
Done