Testing - PHP

Test #1

Last character should be r: r

Test #2: Is Last Character a Front Slash?

$test_string = foobar/

Last character IS a front slash.

Test #3: Is Last Character a Front Slash?

$test_string = foobar

Last character is NOT a front slash.

Test #4: Is Last Character a Front Slash?

$test_string = foobar

New $test_string = foobar/

Test #5: Are the Last 3 Characters 'pdf'?

$test_string1 = foobar
$test_string2 = foobar.pdf

$last_3_characters1 = bar
$last_3_characters2 = pdf

$last_3_characters1 'pdf' test

FAIL: $last_3_characters1 are NOT 'pdf'

$last_3_characters2 'pdf' test

SUCCESS: $last_3_characters2 ARE 'pdf'